Search Results

Search found 83176 results on 3328 pages for 'data access'.

facebook twitter digg google delicious technorati stumbleupon myspace wordpress linkedin gmail igoogle windows live tumblr viadeo yahoo buzz yahoo mail yahoo bookmarks favorites email print

Page 112/3328 | < Previous Page | 108 109 110 111 112 113 114 115 116 117 118 119  | Next Page >

  • What's new in Access 2010

    Wonder what turn Access will take in Microsoft Office 2010? Danny Lesandrini explores how the new Access looks and feels, what can and can't be done with it and how steep the new learning curve is going to be.

    Read the article

  • How to use Chrome to access Oracle Applications

    - by Pan.Tian
    So far,Chrome browser is still not certified by Oracle Application, so you can not access Oracle Apps via Chrome.But you can install a chrome Extension to access Oracle Application(It works fine for 11i or R12 instance) Chrome Plugin:Oracle EBS R12 Enablement for Chrome You can use this Chrome Extension to log in Oracle E-Business R12 Form UI without FRM-92129(or FRM-92120) error which say the file Registry.dat lost. Plugin Author: zorrofox (see:http://www.itpub.net/forum.php?mod=viewthread&tid=1724526&page=1#pid20409128)

    Read the article

  • Memory read/write access efficiency

    - by wolfPack88
    I've heard conflicting information from different sources, and I'm not really sure which one to believe. As such, I'll post what I understand and ask for corrections. Let's say I want to use a 2D matrix. There are three ways that I can do this (at least that I know of). 1: int i; char **matrix; matrix = malloc(50 * sizeof(char *)); for(i = 0; i < 50; i++) matrix[i] = malloc(50); 2: int i; int rowSize = 50; int pointerSize = 50 * sizeof(char *); int dataSize = 50 * 50; char **matrix; matrix = malloc(dataSize + pointerSize); char *pData = matrix + pointerSize - rowSize; for(i = 0; i < 50; i++) { pData += rowSize; matrix[i] = pData; } 3: //instead of accessing matrix[i][j] here, we would access matrix[i * 50 + j] char *matrix = malloc(50 * 50); In terms of memory usage, my understanding is that 3 is the most efficient, 2 is next, and 1 is least efficient, for the reasons below: 3: There is only one pointer and one allocation, and therefore, minimal overhead. 2: Once again, there is only one allocation, but there are now 51 pointers. This means there is 50 * sizeof(char *) more overhead. 1: There are 51 allocations and 51 pointers, causing the most overhead of all options. In terms of performance, once again my understanding is that 3 is the most efficient, 2 is next, and 1 is least efficient. Reasons being: 3: Only one memory access is needed. We will have to do a multiplication and an addition as opposed to two additions (as in the case of a pointer to a pointer), but memory access is slow enough that this doesn't matter. 2: We need two memory accesses; once to get a char *, and then to the appropriate char. Only two additions are performed here (once to get to the correct char * pointer from the original memory location, and once to get to the correct char variable from wherever the char * points to), so multiplication (which is slower than addition) is not required. However, on modern CPUs, multiplication is faster than memory access, so this point is moot. 1: Same issues as 2, but now the memory isn't contiguous. This causes cache misses and extra page table lookups, making it the least efficient of the lot. First and foremost: Is this correct? Second: Is there an option 4 that I am missing that would be even more efficient?

    Read the article

  • Intégrez les commandes des menus Access dans vos applications, par Dominique Kirchhofer

    Bonjour, Je vous propose un article qui présente les commandes les plus courantes des menus Access et comment les exécuter avec Visual Basic. Access : les commandes intégrées des menus Plutôt réservé aux débutants, j'espère néanmoins que chacun y trouvera des informations intéressantes. Toutes critiques ou suggestions d'amélioration sont bienvenues. Je vous souhaite une bonne lecture. Domi2...

    Read the article

  • Methods to access US Netflix from Chromecast?

    - by lfk
    I need to access US Netflix using Chromecast but changing router configuration is not an option (I don't have access to the wireless router). On my laptop I use VPN, so one option is to use my laptop as a hotspot, but I don't always have cable connection for my laptop. Besides I was hoping to need only my iPad to use the Chromecast. Is there any other way or should I return the Chromecast while I still can?

    Read the article

  • WordPress - Emergency Access Without Admin Accounts

    In some cases, when you need to do something in a WordPress website, but all you have is only access to WordPress database and FTP, and you cannot get the admin password from the database because it's decrypted. All changes you have to make via some low level MySQL queries, it's hard and easy mistaken. Joost de Valk has written a script for emergency access to WordPress dashboard by changing admin password or creating new user.

    Read the article

  • Working With Outlook from Access

    Last month we discussed how to get data from Microsoft Access into Outlook objects, such as in the creation of new appointments, tasks, contacts and emails. This month we perform the reverse operation: get data out of Outlook into Microsoft Access.

    Read the article

  • Can't access windows 7 shared files on Ubuntu 11.10

    - by Corey
    I just set up ubuntu 11.10 and Samba. I got it to access shares on a Vista machine, but when I try to access the shares on a windows 7 machine it asks for a Username, Domain, and Password. I have no password set up on the windows 7 machine so I put in the username, and domain try to connect and the password prompt keeps appearing...also tried guest and admin with no luck...I've tried many different fixes(modifying registry entries & advanced securities on the win 7 machine) with no luck. Thanks

    Read the article

  • SQL Server 2008 Remote Access

    - by GGBlogger
    I've spent what seems like weeks attempting to set up remote access for SQL Server 2008. Up to recently my database access was alway against a local instance but I now have two servers and I want to work from my local machine using databases on my remote server. I finally got it working. If you need to know how I've done a big page at: http://videotutors.net/SQLServer2008RemoteAccess.aspx Check it out and let me know if you have any suggestions or questions.

    Read the article

  • Microsoft Access Small Business Solutions

    Microsoft Access Small Business Solutions, published by Wiley, proves that Microsoft Access can be used to create valuable business solutions in theory and in practice by providing both the reasoning for the database design and the databases themselves in the CD that accompanies the book.

    Read the article

  • Game-over! Gaining Physical access to a computer

    Security requires defense in depth. The cleverest intrusion detection system, combined with the best antivirus, won’t help you if a malicious person can gain physical access to your PC or server. A routine job, helping a family member remove a malware infection, brings it home to Wesley just how easy it is to get a command prompt with SYSTEM access on any PC, and inspires him to give a warning about the consequences.

    Read the article

  • Can't access any storage devices on 12.10

    - by Trigger
    Hi I've just started using Ubuntu 12.10 (today!) my first time with any non-windows OS. I wanted to retrieve some files after windows stopped working. I boot Ubuntu from a USB and it seems to work fine - I can access the internet etc. But I can't access any of my drives or even a USB drive. The error I get is "Adding read ACL for uid 999 to `/media/ubuntu' failed: Operation not supported" Any help much appreciated:)

    Read the article

  • Cannot access Windows via grub after new dual-boot Ubuntu install

    - by user287474
    I previously installed Ubuntu on a computer that had Windows XP on it and got it successfully to run alongside it. (access both OS systems) Now I installed Ubuntu again on my MSI notebook with Windows 8.1, and I cannot access the GRUB without hitting escape on startup, and even then, I can no longer open windows. Before all of this, I created a recovery point, file history and saved a back up on a external hard drive incase I did anything wrong. Now how can I revert my computer back to it's state before installation.

    Read the article

  • Can connect to Samba, but access denied to homes

    - by user893730
    I can connect to the samba server using both IP address and server name, and I can see the home folder name, but can't connect to it smb.cnf [global] workgroup = WORKGROUP server string = Venus wins support = no read only = no browsable = yes create mode = 0777 directory mode = 0777 case sensitive = no dns proxy = no interfaces = 127.0.0.1/8 eth0 bind interfaces only = yes log file = /var/log/samba/log.%m max log size = 1000 syslog = 0 security = user encrypt passwords = true passdb backend = smbpasswd obey pam restrictions = yes unix password sync = no passwd program = /usr/bin/passwd %u passwd chat = *Enter\snew\s*\spassword:* %n\n *Retype\snew\s*\spassword:* %n\n *password\supdated\ssuccessfully* . pam password change = no [homes] comment = User Directories path = /data/localdevs/%u public = no browsable = yes writable = yes the /etc/samba folder has the following files in it lmhosts smb.conf smb.conf.orig smbusers The output of "sudo pdbedit -L" is user1:500: ls -abl /data/localdevs/ drwxr-xr-x. 4 user1 user1 4096 Jul 24 17:35 user1 These are what samba logs are showing when I get the access denied to user1's home directory [2012/07/24 20:27:08.599216, 3] smbd/process.c:1489(process_smb) Transaction 24 of length 90 (0 toread) [2012/07/24 20:27:08.599350, 3] smbd/process.c:1298(switch_message) switch message SMBntcreateX (pid 2440) conn 0x7f6758780c00 [2012/07/24 20:27:08.599373, 4] smbd/uid.c:257(change_to_user) change_to_user: Skipping user change - already user [2012/07/24 20:27:08.599412, 3] smbd/vfs.c:881(check_reduced_name) check_reduced_name [.] [/data/localdevs/user1] [2012/07/24 20:27:08.599485, 3] smbd/vfs.c:1038(check_reduced_name) check_reduced_name: . reduced to /data/localdevs/user1 [2012/07/24 20:27:08.599508, 3] smbd/vfs.c:881(check_reduced_name) check_reduced_name [.] [/data/localdevs/user1] [2012/07/24 20:27:08.599552, 3] smbd/vfs.c:1038(check_reduced_name) check_reduced_name: . reduced to /data/localdevs/user1 [2012/07/24 20:27:08.599581, 3] smbd/dosmode.c:166(unix_mode) unix_mode(.) returning 0766 [2012/07/24 20:27:08.599643, 3] smbd/vfs.c:881(check_reduced_name) check_reduced_name [.] [/data/localdevs/user1] [2012/07/24 20:27:08.599668, 3] smbd/vfs.c:1038(check_reduced_name) check_reduced_name: . reduced to /data/localdevs/user1 [2012/07/24 20:27:08.599707, 4] smbd/open.c:1990(open_file_ntcreate) calling open_file with flags=0x0 flags2=0x0 mode=0766, access_mask = 0x81, open_access_mask = 0x81 [2012/07/24 20:27:08.599806, 3] smbd/open.c:467(open_file) Error opening file . (NT_STATUS_ACCESS_DENIED) (local_flags=0) (flags=0) [2012/07/24 20:27:08.599838, 3] smbd/error.c:80(error_packet_set) error packet at smbd/error.c(160) cmd=162 (SMBntcreateX) NT_STATUS_ACCESS_DENIED [2012/07/24 20:27:08.604075, 3] smbd/process.c:1489(process_smb) Transaction 25 of length 90 (0 toread) [2012/07/24 20:27:08.604193, 3] smbd/process.c:1298(switch_message) switch message SMBntcreateX (pid 2440) conn 0x7f6758780c00 [2012/07/24 20:27:08.604216, 4] smbd/uid.c:257(change_to_user) change_to_user: Skipping user change - already user [2012/07/24 20:27:08.604268, 3] smbd/vfs.c:881(check_reduced_name) check_reduced_name [.] [/data/localdevs/user1] [2012/07/24 20:27:08.604336, 3] smbd/vfs.c:1038(check_reduced_name) check_reduced_name: . reduced to /data/localdevs/user1 [2012/07/24 20:27:08.604395, 3] smbd/vfs.c:881(check_reduced_name) check_reduced_name [.] [/data/localdevs/user1] [2012/07/24 20:27:08.604419, 3] smbd/vfs.c:1038(check_reduced_name) check_reduced_name: . reduced to /data/localdevs/user1 [2012/07/24 20:27:08.604442, 3] smbd/dosmode.c:166(unix_mode) unix_mode(.) returning 0766 [2012/07/24 20:27:08.604532, 3] smbd/vfs.c:881(check_reduced_name) check_reduced_name [.] [/data/localdevs/user1] [2012/07/24 20:27:08.604554, 3] smbd/vfs.c:1038(check_reduced_name) check_reduced_name: . reduced to /data/localdevs/user1 [2012/07/24 20:27:08.604583, 4] smbd/open.c:1990(open_file_ntcreate) calling open_file with flags=0x0 flags2=0x0 mode=0766, access_mask = 0x81, open_access_mask = 0x81 [2012/07/24 20:27:08.604679, 3] smbd/open.c:467(open_file) Error opening file . (NT_STATUS_ACCESS_DENIED) (local_flags=0) (flags=0) [2012/07/24 20:27:08.604705, 3] smbd/error.c:80(error_packet_set) error packet at smbd/error.c(160) cmd=162 (SMBntcreateX) NT_STATUS_ACCESS_DENIED [2012/07/24 20:27:08.606977, 3] smbd/process.c:1489(process_smb) Transaction 26 of length 80 (0 toread) [2012/07/24 20:27:08.607096, 3] smbd/process.c:1298(switch_message) switch message SMBtrans2 (pid 2440) conn 0x7f6758780c00 [2012/07/24 20:27:08.607119, 4] smbd/uid.c:257(change_to_user) change_to_user: Skipping user change - already user [2012/07/24 20:27:08.607139, 3] smbd/trans2.c:5100(call_trans2qfilepathinfo) call_trans2qfilepathinfo: TRANSACT2_QPATHINFO: level = 1004 [2012/07/24 20:27:08.607162, 3] smbd/vfs.c:881(check_reduced_name) check_reduced_name [.] [/data/localdevs/user1] [2012/07/24 20:27:08.607184, 3] smbd/vfs.c:1038(check_reduced_name) check_reduced_name: . reduced to /data/localdevs/user1 [2012/07/24 20:27:08.607208, 3] smbd/trans2.c:5226(call_trans2qfilepathinfo) call_trans2qfilepathinfo . (fnum = -1) level=1004 call=5 total_data=0 [2012/07/24 20:27:08.608306, 3] smbd/process.c:1489(process_smb) Transaction 27 of length 80 (0 toread) [2012/07/24 20:27:08.608362, 3] smbd/process.c:1298(switch_message) switch message SMBtrans2 (pid 2440) conn 0x7f6758780c00 [2012/07/24 20:27:08.608383, 4] smbd/uid.c:257(change_to_user) change_to_user: Skipping user change - already user [2012/07/24 20:27:08.608403, 3] smbd/trans2.c:5100(call_trans2qfilepathinfo) call_trans2qfilepathinfo: TRANSACT2_QPATHINFO: level = 1005 [2012/07/24 20:27:08.608439, 3] smbd/vfs.c:881(check_reduced_name) check_reduced_name [.] [/data/localdevs/user1] [2012/07/24 20:27:08.608461, 3] smbd/vfs.c:1038(check_reduced_name) check_reduced_name: . reduced to /data/localdevs/user1 [2012/07/24 20:27:08.608484, 3] smbd/trans2.c:5226(call_trans2qfilepathinfo) call_trans2qfilepathinfo . (fnum = -1) level=1005 call=5 total_data=0

    Read the article

  • How to obtain value of auto_increment field in Access linked to MySQL?

    - by Cruachan
    I'm trying to modify and existing Access application to use MySQL as a database via ODBC with the minimal amount of recoding. The current code will often insert a new record using DAO then obtain the ID by using LastModified. This doesn't work with MySQL. Instead I'm trying to use the approach using SELECT * FROM tbl_name WHERE auto_col IS NULL Suggested for Access in the MySQL documentation. However if I set up a sample table consisting of just an id and text data field and execute this CurrentDb.Execute ("INSERT INTO tbl_scratch (DATA) VALUES ('X')") Set rst = CurrentDb.OpenRecordset("SELECT id FROM tbl_scratch WHERE id IS NULL") myid = rst!id Id is returned as null. However if I execute INSERT INTO tbl_scratch (DATA) VALUES ('X'); SELECT id FROM tbl_scratch WHERE id IS NULL; using a direct MySQL editor then id is returned correctly, so my database and approach is fine but my implementation inside Access must be incorrect. Frustratingly the MySQL documentation gives the SQL statement to retrieve the id as an example that works in Access (as it states LAST_INSERT_ID() doesn't) but gives no further details. How might I fix this?

    Read the article

  • How do I access abstract private data from derived class without friend or 'getter' functions in C++?

    - by John
    So, I am caught up in a dilemma right now. How am I suppose to access a pure abstract base class private member variable from a derived class? I have heard from a friend that it is possible to access it through the base constructor, but he didn't explain. How is it possible? There are some inherited classes from base class. Is there any way to gain access to the private variables ? class Base_button { private: bool is_vis; Rect rButton; public: // Constructors Base_button(); Base_button( const Point &corner, double height, double width ); // Destructor virtual ~ Base_button(); // Accessors virtual void draw() const = 0; bool clicked( const Point &click ) const; bool is_visible() const; // Mutators virtual void show(); virtual void hide(); void move( const Point &loc ); }; class Button : public Base_button { private: Message mButton; public: // Constructors Button(); Button( const Point &corner, const string &label ); // Acessors virtual void draw() const; // Mutators virtual void show(); virtual void hide(); }; I want to be able access Rect and bool in the base class from the subclass

    Read the article

  • MS Access 2003 - Is there a way to run access (mde) without the access shell around the forms/report

    - by Justin
    So I am not sure if I am asking this correctly; let me explain: IS there a way I can run my MDE without the access shell around the forms/reports? The part that provides the menu, and the little application title. I think it is the overall presentation layer form that all my access stuff sits on, but I am not sure. I am just wondering if you can get rid of it. Thanks

    Read the article

  • Using jQuery to POST Form Data to an ASP.NET ASMX AJAX Web Service

    - by Rick Strahl
    The other day I got a question about how to call an ASP.NET ASMX Web Service or PageMethods with the POST data from a Web Form (or any HTML form for that matter). The idea is that you should be able to call an endpoint URL, send it regular urlencoded POST data and then use Request.Form[] to retrieve the posted data as needed. My first reaction was that you can’t do it, because ASP.NET ASMX AJAX services (as well as Page Methods and WCF REST AJAX Services) require that the content POSTed to the server is posted as JSON and sent with an application/json or application/x-javascript content type. IOW, you can’t directly call an ASP.NET AJAX service with regular urlencoded data. Note that there are other ways to accomplish this. You can use ASP.NET MVC and a custom route, an HTTP Handler or separate ASPX page, or even a WCF REST service that’s configured to use non-JSON inputs. However if you want to use an ASP.NET AJAX service (or Page Methods) with a little bit of setup work it’s actually quite easy to capture all the form variables on the client and ship them up to the server. The basic steps needed to make this happen are: Capture form variables into an array on the client with jQuery’s .serializeArray() function Use $.ajax() or my ServiceProxy class to make an AJAX call to the server to send this array On the server create a custom type that matches the .serializeArray() name/value structure Create extension methods on NameValue[] to easily extract form variables Create a [WebMethod] that accepts this name/value type as an array (NameValue[]) This seems like a lot of work but realize that steps 3 and 4 are a one time setup step that can be reused in your entire site or multiple applications. Let’s look at a short example that looks like this as a base form of fields to ship to the server: The HTML for this form looks something like this: <div id="divMessage" class="errordisplay" style="display: none"> </div> <div> <div class="label">Name:</div> <div><asp:TextBox runat="server" ID="txtName" /></div> </div> <div> <div class="label">Company:</div> <div><asp:TextBox runat="server" ID="txtCompany"/></div> </div> <div> <div class="label" ></div> <div> <asp:DropDownList runat="server" ID="lstAttending"> <asp:ListItem Text="Attending" Value="Attending"/> <asp:ListItem Text="Not Attending" Value="NotAttending" /> <asp:ListItem Text="Maybe Attending" Value="MaybeAttending" /> <asp:ListItem Text="Not Sure Yet" Value="NotSureYet" /> </asp:DropDownList> </div> </div> <div> <div class="label">Special Needs:<br /> <small>(check all that apply)</small></div> <div> <asp:ListBox runat="server" ID="lstSpecialNeeds" SelectionMode="Multiple"> <asp:ListItem Text="Vegitarian" Value="Vegitarian" /> <asp:ListItem Text="Vegan" Value="Vegan" /> <asp:ListItem Text="Kosher" Value="Kosher" /> <asp:ListItem Text="Special Access" Value="SpecialAccess" /> <asp:ListItem Text="No Binder" Value="NoBinder" /> </asp:ListBox> </div> </div> <div> <div class="label"></div> <div> <asp:CheckBox ID="chkAdditionalGuests" Text="Additional Guests" runat="server" /> </div> </div> <hr /> <input type="button" id="btnSubmit" value="Send Registration" /> The form includes a few different kinds of form fields including a multi-selection listbox to demonstrate retrieving multiple values. Setting up the Server Side [WebMethod] The [WebMethod] on the server we’re going to call is going to be very simple and just capture the content of these values and echo then back as a formatted HTML string. Obviously this is overly simplistic but it serves to demonstrate the simple point of capturing the POST data on the server in an AJAX callback. public class PageMethodsService : System.Web.Services.WebService { [WebMethod] public string SendRegistration(NameValue[] formVars) { StringBuilder sb = new StringBuilder(); sb.AppendFormat("Thank you {0}, <br/><br/>", HttpUtility.HtmlEncode(formVars.Form("txtName"))); sb.AppendLine("You've entered the following: <hr/>"); foreach (NameValue nv in formVars) { // strip out ASP.NET form vars like _ViewState/_EventValidation if (!nv.name.StartsWith("__")) { if (nv.name.StartsWith("txt") || nv.name.StartsWith("lst") || nv.name.StartsWith("chk")) sb.Append(nv.name.Substring(3)); else sb.Append(nv.name); sb.AppendLine(": " + HttpUtility.HtmlEncode(nv.value) + "<br/>"); } } sb.AppendLine("<hr/>"); string[] needs = formVars.FormMultiple("lstSpecialNeeds"); if (needs == null) sb.AppendLine("No Special Needs"); else { sb.AppendLine("Special Needs: <br/>"); foreach (string need in needs) { sb.AppendLine("&nbsp;&nbsp;" + need + "<br/>"); } } return sb.ToString(); } } The key feature of this method is that it receives a custom type called NameValue[] which is an array of NameValue objects that map the structure that the jQuery .serializeArray() function generates. There are two custom types involved in this: The actual NameValue type and a NameValueExtensions class that defines a couple of extension methods for the NameValue[] array type to allow for single (.Form()) and multiple (.FormMultiple()) value retrieval by name. The NameValue class is as simple as this and simply maps the structure of the array elements of .serializeArray(): public class NameValue { public string name { get; set; } public string value { get; set; } } The extension method class defines the .Form() and .FormMultiple() methods to allow easy retrieval of form variables from the returned array: /// <summary> /// Simple NameValue class that maps name and value /// properties that can be used with jQuery's /// $.serializeArray() function and JSON requests /// </summary> public static class NameValueExtensionMethods { /// <summary> /// Retrieves a single form variable from the list of /// form variables stored /// </summary> /// <param name="formVars"></param> /// <param name="name">formvar to retrieve</param> /// <returns>value or string.Empty if not found</returns> public static string Form(this NameValue[] formVars, string name) { var matches = formVars.Where(nv => nv.name.ToLower() == name.ToLower()).FirstOrDefault(); if (matches != null) return matches.value; return string.Empty; } /// <summary> /// Retrieves multiple selection form variables from the list of /// form variables stored. /// </summary> /// <param name="formVars"></param> /// <param name="name">The name of the form var to retrieve</param> /// <returns>values as string[] or null if no match is found</returns> public static string[] FormMultiple(this NameValue[] formVars, string name) { var matches = formVars.Where(nv => nv.name.ToLower() == name.ToLower()).Select(nv => nv.value).ToArray(); if (matches.Length == 0) return null; return matches; } } Using these extension methods it’s easy to retrieve individual values from the array: string name = formVars.Form("txtName"); or multiple values: string[] needs = formVars.FormMultiple("lstSpecialNeeds"); if (needs != null) { // do something with matches } Using these functions in the SendRegistration method it’s easy to retrieve a few form variables directly (txtName and the multiple selections of lstSpecialNeeds) or to iterate over the whole list of values. Of course this is an overly simple example – in typical app you’d probably want to validate the input data and save it to the database and then return some sort of confirmation or possibly an updated data list back to the client. Since this is a full AJAX service callback realize that you don’t have to return simple string values – you can return any of the supported result types (which are most serializable types) including complex hierarchical objects and arrays that make sense to your client code. POSTing Form Variables from the Client to the AJAX Service To call the AJAX service method on the client is straight forward and requires only use of little native jQuery plus JSON serialization functionality. To start add jQuery and the json2.js library to your page: <script src="Scripts/jquery.min.js" type="text/javascript"></script> <script src="Scripts/json2.js" type="text/javascript"></script> json2.js can be found here (be sure to remove the first line from the file): http://www.json.org/json2.js It’s required to handle JSON serialization for those browsers that don’t support it natively. With those script references in the document let’s hookup the button click handler and call the service: $(document).ready(function () { $("#btnSubmit").click(sendRegistration); }); function sendRegistration() { var arForm = $("#form1").serializeArray(); $.ajax({ url: "PageMethodsService.asmx/SendRegistration", type: "POST", contentType: "application/json", data: JSON.stringify({ formVars: arForm }), dataType: "json", success: function (result) { var jEl = $("#divMessage"); jEl.html(result.d).fadeIn(1000); setTimeout(function () { jEl.fadeOut(1000) }, 5000); }, error: function (xhr, status) { alert("An error occurred: " + status); } }); } The key feature in this code is the $("#form1").serializeArray();  call which serializes all the form fields of form1 into an array. Each form var is represented as an object with a name/value property. This array is then serialized into JSON with: JSON.stringify({ formVars: arForm }) The format for the parameter list in AJAX service calls is an object with one property for each parameter of the method. In this case its a single parameter called formVars and we’re assigning the array of form variables to it. The URL to call on the server is the name of the Service (or ASPX Page for Page Methods) plus the name of the method to call. On return the success callback receives the result from the AJAX callback which in this case is the formatted string which is simply assigned to an element in the form and displayed. Remember the result type is whatever the method returns – it doesn’t have to be a string. Note that ASP.NET AJAX and WCF REST return JSON data as a wrapped object so the result has a ‘d’ property that holds the actual response: jEl.html(result.d).fadeIn(1000); Slightly simpler: Using ServiceProxy.js If you want things slightly cleaner you can use the ServiceProxy.js class I’ve mentioned here before. The ServiceProxy class handles a few things for calling ASP.NET and WCF services more cleanly: Automatic JSON encoding Automatic fix up of ‘d’ wrapper property Automatic Date conversion on the client Simplified error handling Reusable and abstracted To add the service proxy add: <script src="Scripts/ServiceProxy.js" type="text/javascript"></script> and then change the code to this slightly simpler version: <script type="text/javascript"> proxy = new ServiceProxy("PageMethodsService.asmx/"); $(document).ready(function () { $("#btnSubmit").click(sendRegistration); }); function sendRegistration() { var arForm = $("#form1").serializeArray(); proxy.invoke("SendRegistration", { formVars: arForm }, function (result) { var jEl = $("#divMessage"); jEl.html(result).fadeIn(1000); setTimeout(function () { jEl.fadeOut(1000) }, 5000); }, function (error) { alert(error.message); } ); } The code is not very different but it makes the call as simple as specifying the method to call, the parameters to pass and the actions to take on success and error. No more remembering which content type and data types to use and manually serializing to JSON. This code also removes the “d” property processing in the response and provides more consistent error handling in that the call always returns an error object regardless of a server error or a communication error unlike the native $.ajax() call. Either approach works and both are pretty easy. The ServiceProxy really pays off if you use lots of service calls and especially if you need to deal with date values returned from the server  on the client. Summary Making Web Service calls and getting POST data to the server is not always the best option – ASP.NET and WCF AJAX services are meant to work with data in objects. However, in some situations it’s simply easier to POST all the captured form data to the server instead of mapping all properties from the input fields to some sort of message object first. For this approach the above POST mechanism is useful as it puts the parsing of the data on the server and leaves the client code lean and mean. It’s even easy to build a custom model binder on the server that can map the array values to properties on an object generically with some relatively simple Reflection code and without having to manually map form vars to properties and do string conversions. Keep in mind though that other approaches also abound. ASP.NET MVC makes it pretty easy to create custom routes to data and the built in model binder makes it very easy to deal with inbound form POST data in its original urlencoded format. The West Wind West Wind Web Toolkit also includes functionality for AJAX callbacks using plain POST values. All that’s needed is a Method parameter to query/form value to specify the method to be called on the server. After that the content type is completely optional and up to the consumer. It’d be nice if the ASP.NET AJAX Service and WCF AJAX Services weren’t so tightly bound to the content type so that you could more easily create open access service endpoints that can take advantage of urlencoded data that is everywhere in existing pages. It would make it much easier to create basic REST endpoints without complicated service configuration. Ah one can dream! In the meantime I hope this article has given you some ideas on how you can transfer POST data from the client to the server using JSON – it might be useful in other scenarios beyond ASP.NET AJAX services as well. Additional Resources ServiceProxy.js A small JavaScript library that wraps $.ajax() to call ASP.NET AJAX and WCF AJAX Services. Includes date parsing extensions to the JSON object, a global dataFilter for processing dates on all jQuery JSON requests, provides cleanup for the .NET wrapped message format and handles errors in a consistent fashion. Making jQuery Calls to WCF/ASMX with a ServiceProxy Client More information on calling ASMX and WCF AJAX services with jQuery and some more background on ServiceProxy.js. Note the implementation has slightly changed since the article was written. ww.jquery.js The West Wind West Wind Web Toolkit also includes ServiceProxy.js in the West Wind jQuery extension library. This version is slightly different and includes embedded json encoding/decoding based on json2.js.© Rick Strahl, West Wind Technologies, 2005-2010Posted in jQuery  ASP.NET  AJAX  

    Read the article

  • Exception:Cannot Start your application.The Workgroup information file is missing or opened exclusiv

    - by Jeev
    We were getting this error when trying   to connect  to a password protected access file. This is what the connection string looked likestring conString =@"Provider=Microsoft.Jet.OLEDB.4.0;Data Source="Path to your access file";User Id=;Password=password";To fix the issue this is what we didstring conString =@"Provider=Microsoft.Jet.OLEDB.4.0;Data Source="Path to your access file";Jet OLEDB:Database Password=password";  We removed the User id and changed the password to Jet OLEDB:Database Password Hope this helps someone   

    Read the article

  • SQLAuthority News – Download Whitepaper Using SharePoint List Data in PowerPivot

    - by pinaldave
    One of the many features of Microsoft SQL Server PowerPivot is the range of data sources that can be used to import data. Anything, from Microsoft SQL Server relational databases, Oracle databases, and Microsoft Access databases, to text documents, can be used as data sources in PowerPivot. In this paper, I explain one of the new and upcoming data sources that people are excited about – SharePoint list data in the form of Atom feeds. This white paper goes on to explain the different ways you can import SharePoint list data into PowerPivot, what types of lists are supported, various components that need to be installed to use this feature, and where to get those components. Download and read this whitepaper. Note: Abstract is taken from MSDN Reference: Pinal Dave (http://blog.SQLAuthority.com) Filed under: PostADay, SQL, SQL Authority, SQL Documentation, SQL Download, SQL Query, SQL Server, SQL Tips and Tricks, SQL White Papers, SQLAuthority News, T SQL, Technology

    Read the article

  • Visualising data a different way with Pivot collections

    - by Rob Farley
    Roger’s been doing a great job extending PivotViewer recently, and you can find the list of LobsterPot pivots at http://pivot.lobsterpot.com.au Many months back, the TED Talk that Gary Flake did about Pivot caught my imagination, and I did some research into it. At the time, most of what we did with Pivot was geared towards what we could do for clients, including making Pivot collections based on students at a school, and using it to browse PDF invoices by their various properties. We had actual commercial work based on Pivot collections back then, and it was all kinds of fun. Later, we made some collections for events that were happening, and even got featured in the TechEd Australia keynote. But I’m getting ahead of myself... let me explain the concept. A Pivot collection is an XML file (with .cxml extension) which lists Items, each linking to an image that’s stored in a Deep Zoom format (this means that it contains tiles like Bing Maps, so that the browser can request only the ones of interest according to the zoom level). This collection can be shown in a Silverlight application that uses the PivotViewer control, or in the Pivot Browser that’s available from getpivot.com. Filtering and sorting the items according to their facets (attributes, such as size, age, category, etc), the PivotViewer rearranges the way that these are shown in a very dynamic way. To quote Gary Flake, this lets us “see patterns which are otherwise hidden”. This browsing mechanism is very suited to a number of different methods, because it’s just that – browsing. It’s not searching, it’s more akin to window-shopping than doing an internet search. When we decided to put something together for the conferences such as TechEd Australia 2010 and the PASS Summit 2010, we did some screen-scraping to provide a different view of data that was already available online. Nick Hodge and Michael Kordahi from Microsoft liked the idea a lot, and after a bit of tweaking, we produced one that Michael used in the TechEd Australia keynote to show the variety of talks on offer. It’s interesting to see a pattern in this data: The Office track has the most sessions, but if the Interactive Sessions and Instructor-Led Labs are removed, it drops down to only the sixth most popular track, with Cloud Computing taking over. This is something which just isn’t obvious when you look an ordinary search tool. You get a much better feel for the data when moving around it like this. The more observant amongst you will have noticed some difference in the collection that Michael is demonstrating in the picture above with the screenshots I’ve shown. That’s because it’s been extended some more. At the SQLBits conference in the UK this year, I had some interesting discussions with the guys from Xpert360, particularly Phil Carter, who I’d met in 2009 at an earlier SQLBits conference. They had got around to producing a Pivot collection based on the SQLBits data, which we had been planning to do but ran out of time. We discussed some of ways that Pivot could be used, including the ways that my old friend Howard Dierking had extended it for the MSDN Magazine. I’m not suggesting I influenced Xpert360 at all, but they certainly inspired us with some of their posts on the matter So with LobsterPot guys David Gardiner and Roger Noble both having dabbled in Pivot collections (and Dave doing some for clients), I set Roger to work on extending it some more. He’s used various events and so on to be able to make an environment that allows us to do quick deployment of new collections, as well as showing the data in a grid view which behaves as if it were simply a third view of the data (the other two being the array of images and the ‘histogram’ view). I see PivotViewer as being a significant step in data visualisation – so much so that I feature it when I deliver talks on Spatial Data Visualisation methods. Any time when there is information that can be conveyed through an image, you have to ask yourself how best to show that image, and whether that image is the focal point. For Spatial data, the image is most often a map, and the map becomes the central mode for navigation. I show Pivot with postcode areas, since I can browse the postcodes based on their data, and many of the images are recognisable (to locals of South Australia). Naturally, the images could link through to the map itself, and so on, but generally people think of Spatial data in terms of navigating a map, which doesn’t always gel with the information you’re trying to extract. Roger’s even looking into ways to hook PivotViewer into the Bing Maps API, in a similar way to the Deep Earth project, displaying different levels of map detail according to how ‘zoomed in’ the images are. Some of the work that Dave did with one of the schools was generating the Deep Zoom tiles “on the fly”, based on images stored in a database, and Roger has produced a collection which uses images from flickr, that lets you move from one search term to another. Pulling the images down from flickr.com isn’t particularly ideal from a performance aspect, and flickr doesn’t store images in a small-enough format to really lend itself to this use, but you might agree that it’s an interesting concept which compares nicely to using Maps. I’m looking forward to future versions of the PivotViewer control, and hope they provide many more events that can be used, and even more hooks into it. Naturally, LobsterPot could help provide your business with a PivotViewer experience, but you can probably do a lot of it yourself too. There’s a thorough guide at getpivot.com, which is how we got into it. For some examples of what we’ve done, have a look at http://pivot.lobsterpot.com.au. I’d like to see PivotViewer really catch on a data visualisation tool.

    Read the article

  • Oracle Unbreakable Enterprise Kernel and Emulex HBA Eliminate Silent Data Corruption

    - by sergio.leunissen
    Yesterday, Emulex announced that it has added support for T10 Protection Information (T10-PI), formerly called T10-DIF, to a number of its HBAs. When used with Oracle's Unbreakable Enterprise Kernel, this will prevent silent data corruption and help ensure the integrity and regulatory compliance of user data as it is transferred from the application to the SAN From the press release: Traditionally, protecting the integrity of customers' data has been done with multiple discrete solutions, including Error Correcting Code (ECC) and Cyclic Redundancy Check (CRC), but there have been coverage gaps across the I/O path from the operating system to the storage. The implementation of the T10-PI standard via Emulex's BlockGuard feature, in conjunction with other industry player's implementations, ensures that data is validated as it moves through the data path, from the application, to the HBA, to storage, enabling seamless end-to-end integrity. Read the white paper and don't miss the live webcast on eliminating silent data corruption on December 16th!

    Read the article

  • Storing large data in HTTP Session (Java Application)

    - by Umesh Awasthi
    I am asking this question in continuation with http-session-or-database-approach. I am planning to follow this approach. When user add product to cart, create a Cart Model, add items to cart and save to DB. Convert Cart model to cart data and save it to HTTP session. Any update/ edit update underlying cart in DB and update data snap shot in Session. When user click on view cart page, just pick cart data from Session and display to customer. I have following queries regarding HTTP Session How good is it to store large data (Shopping Cart) in Session? How scalable this approach can be ? (With respect to Session) Won't my application going to eat and demand a lot of memory? Is my approach is fine or do i need to consider other points while designing this? Though, we can control what all cart data should be stored in the Session, but still we need to have certain information in cart data being stored in session?

    Read the article

facebook twitter digg google delicious technorati stumbleupon myspace wordpress linkedin gmail igoogle windows live tumblr viadeo yahoo buzz yahoo mail yahoo bookmarks favorites email print

< Previous Page | 108 109 110 111 112 113 114 115 116 117 118 119  | Next Page >