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  • What is the best way to determine what's locking up SQL Server using a query?

    - by Aplato
    Recently our SQL Server is getting bogged down by something. I was wondering what is the best way to check what could be causing the problem by querying the database. This is the best I've found so far: SELECT SPID = s.spid , BlockingSPID = s.blocked , DatabaseName = DB_NAME(s.dbid) , ProgramName = s.program_name , [Status] = s.[status] , LoginName = s.loginame , ObjectName = OBJECT_NAME(objectid, s.dbid) , [Definition] = CAST([text] AS VARCHAR(MAX)) FROM sys.sysprocesses s CROSS APPLY sys.dm_exec_sql_text (sql_handle) WHERE s.spid > 50 ORDER BY DatabaseName , loginName

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  • How To Delete Top 100 Rows From SQL Server Tables

    - by Gopinath
    If you want to delete top 100/n records from an SQL Server table, it is very easy with the following query: DELETE FROM MyTable WHERE PK_Column IN(     SELECT TOP 100 PK_Column     FROM MyTable     ORDER BY creation    ) Why Would You Require To Delete Top 100 Records? I often delete a top n records of a table when number of rows in the are too huge. Lets say if I’ve 1000000000 records in a table, deleting 10000 rows at a time in a loop is faster than trying to delete all the 1000000000  at a time. What ever may be reason, if you ever come across a requirement of deleting a bunch of rows at a time, this query will be helpful to you. Join us on Facebook to read all our stories right inside your Facebook news feed.

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  • Issue Creating SQL Login for AppPoolIdentity on Windows Server 2008

    - by Ben Griswold
    IIS7 introduced the option to run your application pool as AppPoolIdentity. With the release of IIS7.5, AppPoolIdentity was promoted to the default option.  You see this change if you’re running Windows 7 or Windows Server 2008 R2.  On my Windows 7 machine, I’m able to define my Application Pool Identity and then create an associated database login via the SQL Server Management Studio interface.  No problem.  However, I ran into some troubles when recently installing my web application onto a Windows Server 2008 R2 64-bit machine.  Strange, but the same approach failed as SSMS couldn’t find the AppPoolIdentity user.  Instead of using the tools, I created and executed the login via script and it worked fine.  Here’s the script, based off of the DefaultAppPool identity, if the same happens to you: CREATE LOGIN [IIS APPPOOL\DefaultAppPool] FROM WINDOWS WITH DEFAULT_DATABASE=[master] USE [Chinook] CREATE USER [IIS APPPOOL\DefaultAppPool] FOR LOGIN [IIS APPPOOL\DefaultAppPool]

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  • Writing A Transact SQL (TSQL) Procedure For SQL Server 2008 To Delete Rows From Table Safely

    In this post, we will show and explain a small TSQL Sql Server 2008 procedure that deletes all rows in a table that are older than some specified date.  That is, say the table has 10,000,000... This site is a resource for asp.net web programming. It has examples by Peter Kellner of techniques for high performance programming...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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  • Removing Duplicate Data From SQL Query Output For Display On A Web Page [migrated]

    - by doubleJ
    I had asked a similar question on stackoverflow but didn't really get anywhere. This page shows the output that I'm currently getting from my MSSQL server. I have a table of venue information (name, address, etc...) that our events happen on. Separately, I have a table of the actual events that are scheduled (an event may happen multiple times in one day and/or over multiple days). I join those tables with this query: <?php try { $dbh = new PDO("sqlsrv:Server=localhost;Database=Sermons", "", ""); $dbh->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION); $sql = "SELECT TOP (100) PERCENT dbo.TblSermon.Day, dbo.TblSermon.Date, dbo.TblSermon.Time, dbo.TblSermon.Speaker, dbo.TblSermon.Series, dbo.TblSermon.Sarasota, dbo.TblSermon.NonFlc, dbo.TblJoinSermonLocation.MeetingName, dbo.TblLocation.Location, dbo.TblLocation.Pastors, dbo.TblLocation.Address, dbo.TblLocation.City, dbo.TblLocation.State, dbo.TblLocation.Zip, dbo.TblLocation.Country, dbo.TblLocation.Phone, dbo.TblLocation.Email, dbo.TblLocation.WebAddress FROM dbo.TblLocation RIGHT OUTER JOIN dbo.TblJoinSermonLocation ON dbo.TblLocation.ID = dbo.TblJoinSermonLocation.Location RIGHT OUTER JOIN dbo.TblSermon ON dbo.TblJoinSermonLocation.Sermon = dbo.TblSermon.ID WHERE (dbo.TblSermon.Date >= { fn NOW() }) ORDER BY dbo.TblSermon.Date, dbo.TblSermon.Time"; $stmt = $dbh->prepare($sql); $stmt->execute(); $stmt->setFetchMode(PDO::FETCH_ASSOC); foreach ($stmt as $row) { echo "<pre>"; print_r($row); echo "</pre>"; } unset($row); $dbh = null; } catch(PDOException $e) { echo $e->getMessage(); } ?> So, as it loops through the query results, it creates an array for each record and ends up like this: Array ( [Day] => Tuesday [Date] => 2012-10-30 00:00:00.000 [Time] => 07:00 PM [Speaker] => Keith Moore [Location] => The Ark Church [Pastors] => Alan & Joy Clayton [Address] => 450 Humble Tank Rd. [City] => Conroe [State] => TX [Zip] => 77305.0 [Phone] => (936) 756-1988 [Email] => [email protected] [WebAddress] => http://www.thearkchurch.org ) Array ( [Day] => Wednesday [Date] => 2012-10-31 00:00:00.000 [Time] => 07:00 PM [Speaker] => Keith Moore [Location] => The Ark Church [Pastors] => Alan & Joy Clayton [Address] => 450 Humble Tank Rd. [City] => Conroe [State] => TX [Zip] => 77305.0 [Phone] => (936) 756-1988 [Email] => [email protected] [WebAddress] => http://www.thearkchurch.org ) Array ( [Day] => Tuesday [Date] => 2012-11-06 00:00:00.000 [Time] => 07:00 PM [Speaker] => Keith Moore [Location] => Fellowship Of Faith Christian Center [Pastors] => Michael & Joan Kalstrup [Address] => 18999 Hwy. 59 [City] => Oakland [State] => IA [Zip] => 51560.0 [Phone] => (712) 482-3455 [Email] => [email protected] [WebAddress] => http://www.fellowshipoffaith.cc ) Array ( [Day] => Wednesday [Date] => 2012-11-14 00:00:00.000 [Time] => 07:00 PM [Speaker] => Keith Moore [Location] => Faith Family Church [Pastors] => Michael & Barbara Cameneti [Address] => 8200 Freedom Ave NW [City] => Canton [State] => OH [Zip] => 44720.0 [Phone] => (330) 492-0925 [Email] => [WebAddress] => http://www.myfaithfamily.com ) As you can see, The Ark Church and its associated contact information is duplicated, so when I work with those arrays and output them to the page, I see a bunch of duplicate content. I'd like to remove the duplicate information so that I get results similar to this: The Ark Church Alan & Joy Clayton 450 Humble Tank Rd. Conroe, TX 77305 (936) 756-1988 [email protected] http://www.thearkchurch.org Meetings: Tuesday, 2012-10-30 07:00 PM Wednesday, 2012-10-31 07:00 PM Fellowship Of Faith Christian Center Michael & Joan Kalstrup 18999 Hwy. 59 Oakland, IA 51560 (712) 482-3455 [email protected] http://www.fellowshipoffaith.cc Meetings: Tuesday, 2012-11-06 07:00 PM Faith Family Church Michael & Barbara Cameneti 8200 Freedom Ave NW Canton, OH 44720 (330) 492-0925 http://www.myfaithfamily.com Meetings: Wednesday, 2012-11-14 07:00 PM It doesn't necessarily have to end up like that (I'm not looking for code specific for these results, but a concept of how to not show the duplicated information). I'm assuming that an additional foreach or while will do it, but I haven't figured out any logic that says <?php if ($location == $previouslocation) echo ""; ?>.

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  • SQL SERVER Spatial Database Queries What About BLOB T-SQL Tuesday #006

    Michael Coles is one of the most interesting book authors I have ever met. He has a flair of writing complex stuff in a simple language. There are a very few people like that. I really enjoyed reading his recent book, Expert SQL Server 2008 Encryption. I strongly suggest taking a look at it. This [...]...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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  • Calling MSSQL stored procedure from Zend Controller ? Any other approaches?

    - by Bhavin Rana
    MSSQL and DB, Zend as PHP Framework, I am using this way to call SP with I/P Parameters and to get O/p Parameters. It seems I am writing SQL code in PHP. Any other good approaches? $str1 = "DECLARE @Msgvar varchar(100); DECLARE @last_id int; exec DispatchProduct_m_Ins $DispatchChallanId,'$FRUNo',$QTY,$Rate,$Amount, ".$this->cmpId.",".$this->aspId.",".$this->usrId.",@Msg = @Msgvar OUTPUT,@LAST_ID = @last_id OUTPUT; SELECT @Msgvar AS N'@Msg',@last_id AS '@LAST_ID'; ";//Calling SP $stmt = $db->prepare($str1); $stmt->execute(); $rsDispProd = $stmt->fetchAll(); $DispatchProductId = $rsDispProd[0]["@LAST_ID"];//get last ins ID as O/p Parameter

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  • Using Sql Server Change Data Capture with a frequently changing schema

    - by Pete
    We are looking into enabling Sql Server Change Data Capture for a new subsystem we are building. It's not really because we need it, but we are being pushed for having a complete history traceability, and CDC would nicely solve this requirement with minimum effort on our parts. We are following an agile development process, which in this case means that we frequently make changes to the database schema, e.g. adding new columns, moving data to other columns, etc. We did a small test where we created a table, enabled CDC for that table, and then added a new column to the table. Changes to the new column is not registered in the CDC table. Is there a mechanism to update the CDC table to the new schema, and are there any best practices to how you deal with captured data when migrating the database schema?

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  • Run a .sql script file in C#

    - by SAMIR BHOGAYTA
    using System.Data.SqlClient; using System.IO; using Microsoft.SqlServer.Management.Common; using Microsoft.SqlServer.Management.Smo; namespace ConsoleApplication1 { class Program { static void Main(string[] args) { string sqlConnectionString = "Data Source=(local);Initial Catalog=AdventureWorks;Integrated Security=True"; FileInfo file = new FileInfo("C:\\myscript.sql"); string script = file.OpenText().ReadToEnd(); SqlConnection conn = new SqlConnection(sqlConnectionString); Server server = new Server(new ServerConnection(conn)); server.ConnectionContext.ExecuteNonQuery(script); } } }

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  • query to select topic with highest number of comment +support+oppose+views

    - by chetan
    table schema title description desid replyto support oppose views browser used a1 none 1 1 12 - bad topic b2 1 2 3 14 sql database a3 none 4 5 34 - crome b4 1 3 4 12 Topic desid starts with a and comment desid starts with b .For comment replyto is the desid of topic . Its easy to select * with highest number of support+oppose+views by query "select * from [DB_user1212].[dbo].[discussions] where desid like 'a%' order by (sup+opp+visited) desc" For highest (comment +support+oppose+views ) i tried "select * from [DB_user1212].[dbo].[discussions] where desid like 'a%' order by ((select count(*) from [DB_user1212].[dbo].[discussions] where replyto = desid )+sup+opp+visited) desc" but it didn't work . Because its not possible to send desid from outer query to innner subquery .

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  • SQL SERVER SHRINKFILE and TRUNCATE Log File in SQL Server 2008

    Note: Please read the complete post before taking any actions. This blog post would discuss SHRINKFILE and TRUNCATE Log File. The script mentioned in the email received from reader contains the following questionable code: “Hi Pinal, If you could remember, I and my manager met you at TechEd in Bangalore. We just upgraded to SQL [...]...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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  • PrestaShop install SQL error

    - by Steve
    I am trying to install PrestaShop 1.4.0.17, and reach Step 3. I enter database information, which tests okay, and I choose the second option: Full mode: includes 100+ additional modules and demo products (FREE too!). I choose Next, and receive the error: Error while inserting data in the database: ‘CREATE TABLE `shop_county_zip_code` ( `id_county` INT NOT NULL , `from_zip_code` INT NOT NULL , `to_zip_code` INT NOT NULL , PRIMARY KEY ( `id_county` , `from_zip_code` , `to_zip_code` ) ) ENGINE=’ You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near \’\’ at line 6(Error: : 1064) This happens if I use either MyISAM, or InnoDB. Why is this happening? This also happens if I drop all database tables, and try again in simple mode. Is there a manual installation method?

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  • SQL binary value to PHP variable leading zeros

    - by Agony
    Using sql query to pull data from a mssql database results in a value that still has leading zeros. The data in database is stored as binary(13) - so it will pull all 13 digits. However the value is a text, so any leading zeros will generally show up as '?' in a form on the site - and in return will update wrong data to the database later. So what i need is to only select/display the text itself, not all 13 bytes. using: SELECT CONVERT(char,uilock_pw) AS uipwd FROM tbl_UserAccount or SELECT uilock_pw FROM tbl_UserAccount still adds the leading zeros to the char array. Example in database: 0x71776531323300000000000000 Would show up as: qwe123??????? But should be: qwe123 Im not even sure what character those ? represent. Using Echo results in a normal qwe123 - but not in a form.

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  • Express5800 to Mesh with SQL Server 2012

    NEC's GX servers have been engineered to supply high performance and availability. At their core is an Intel Xeon E7 processor with the power to handle up to 2TB of memory and 160 threads. In addition, thanks to QuickPath Interconnect technology, GX servers boast as much as a 200 percent in database improvement over their predecessors. The combination of NEC servers with Microsoft SQL Server 2012 give users the necessary capabilities to truly realize the cloud's potential for their needs in a number of ways. Organizations get stable platforms built for enterprise environments that offer hig...

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  • SQL Server Requery() sometimes hangs

    - by PSU
    I have an issue with Visual C++ and Microsoft SQL Server 2008R2. The following code will occasionally hang: Object->Update(); if(Object->CanRestart()) { //Why does this not return?? m_pDBRoRBaseObject->Requery(); } Object is derived from CRecordset. It looks to me as though a call to ::SQLExecute(m_hstmt) in the Requery() method is hanging, but I can't (with my current skill set anyway) figure out a way around this. Has anyone had a similar problem, or an insight of any sort?

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  • jqgrid with asp.net webmethod and json working with sorting, paging, searching and LINQ

    - by aimlessWonderer
    THIS WORKS! Most topics covering jqgrid and asp.net seem to relate to just receiving JSON, or working in the MVC framework, or utilizing other handlers or web services... but not many dealt with actually passing parameters back to an actual webmethod in the codebehind. Furthermore, scarce are the examples that contain successful implementation the AJAX paging, sorting, or searching along with LINQ to SQL for asp.net jqGrid. Below is a working example that may help others who need help to pass parameters to jqGrid in order to have correct paging, sorting, filtering.. it uses pieces from here and there... ================================================== First, THE JAVASCRIPT <script type="text/javascript"> $(document).ready(function() { var grid = $("#list"); $("#list").jqGrid({ // setup custom parameter names to pass to server prmNames: { search: "isSearch", nd: null, rows: "numRows", page: "page", sort: "sortField", order: "sortOrder" }, // add by default to avoid webmethod parameter conflicts postData: { searchString: '', searchField: '', searchOper: '' }, // setup ajax call to webmethod datatype: function(postdata) { mtype: "GET", $.ajax({ url: 'PageName.aspx/getGridData', type: "POST", contentType: "application/json; charset=utf-8", data: JSON.stringify(postdata), dataType: "json", success: function(data, st) { if (st == "success") { var grid = jQuery("#list")[0]; grid.addJSONData(JSON.parse(data.d)); } }, error: function() { alert("Error with AJAX callback"); } }); }, // this is what jqGrid is looking for in json callback jsonReader: { root: "rows", page: "page", total: "totalpages", records: "totalrecords", cell: "cell", id: "id", //index of the column with the PK in it userdata: "userdata", repeatitems: true }, colNames: ['Id', 'First Name', 'Last Name'], colModel: [ { name: 'id', index: 'id', width: 55, search: false }, { name: 'fname', index: 'fname', width: 200, searchoptions: { sopt: ['eq', 'ne', 'cn']} }, { name: 'lname', index: 'lname', width: 200, searchoptions: { sopt: ['eq', 'ne', 'cn']} } ], rowNum: 10, rowList: [10, 20, 30], pager: jQuery("#pager"), sortname: "fname", sortorder: "asc", viewrecords: true, caption: "Grid Title Here" }).jqGrid('navGrid', '#pager', { edit: false, add: false, del: false }, {}, // default settings for edit {}, // add {}, // delete { closeOnEscape: true, closeAfterSearch: true}, //search {} ) }); </script> ================================================== Second, THE C# WEBMETHOD [WebMethod] public static string getGridData(int? numRows, int? page, string sortField, string sortOrder, bool isSearch, string searchField, string searchString, string searchOper) { string result = null; MyDataContext db = null; try { //--- retrieve the data db = new MyDataContext("my connection string path"); var query = from u in db.TBL_USERs select u; //--- determine if this is a search filter if (isSearch) { searchOper = getOperator(searchOper); // need to associate correct operator to value sent from jqGrid string whereClause = String.Format("{0} {1} {2}", searchField, searchOper, "@" + searchField); //--- associate value to field parameter Dictionary<string, object> param = new Dictionary<string, object>(); param.Add("@" + searchField, searchString); query = query.Where(whereClause, new object[1] { param }); } //--- setup calculations int pageIndex = page ?? 1; //--- current page int pageSize = numRows ?? 10; //--- number of rows to show per page int totalRecords = query.Count(); //--- number of total items from query int totalPages = (int)Math.Ceiling((decimal)totalRecords / (decimal)pageSize); //--- number of pages //--- filter dataset for paging and sorting IQueryable<TBL_USER> orderedRecords = query.OrderBy(sortfield); IEnumerable<TBL_USER> sortedRecords = orderedRecords.ToList(); if (sortorder == "desc") sortedRecords= sortedRecords.Reverse(); sortedRecords= sortedRecords .Skip((pageIndex - 1) * pageSize) //--- page the data .Take(pageSize); //--- format json var jsonData = new { totalpages = totalPages, //--- number of pages page = pageIndex, //--- current page totalrecords = totalRecords, //--- total items rows = ( from row in sortedRecords select new { i = row.USER_ID, cell = new string[] { row.USER_ID.ToString(), row.FNAME.ToString(), row.LNAME } } ).ToArray() }; result = Newtonsoft.Json.JsonConvert.SerializeObject(jsonData); } catch (Exception ex) { Debug.WriteLine(ex); } finally { if (db != null) db.Dispose(); } return result; } ================================================== Third, NECESSITIES In order to have dynamic OrderBy clauses in the LINQ, I had to pull in a class to my AppCode folder called 'Dynamic.cs'. You can retrieve the file from downloading here. You will find the file in the "DynamicQuery" folder. That file will give you the ability to utilized dynamic ORDERBY clause since we don't know what column we're filtering by except on the initial load. To serialize the JSON back from the C-sharp to the JS, I incorporated the James Newton-King JSON.net DLL found here : http://json.codeplex.com/releases/view/37810. After downloading, there is a "Newtonsoft.Json.Compact.dll" which you can add in your Bin folder as a reference Here's my USING's block using System; using System.Collections; using System.Collections.Generic; using System.Linq; using System.Web.UI.WebControls; using System.Web.Services; using System.Linq.Dynamic; For the Javascript references, I'm using the following scripts in respective order in case that helps some folks: 1) jquery-1.3.2.min.js ... 2) jquery-ui-1.7.2.custom.min.js ... 3) json.min.js ... 4) i18n/grid.locale-en.js ... 5) jquery.jqGrid.min.js For the CSS, I'm using jqGrid's necessities as well as the jQuery UI Theme: 1) jquery_theme/jquery-ui-1.7.2.custom.css ... 2) ui.jqgrid.css The key to getting the parameters from the JS to the WebMethod without having to parse an unserialized string on the backend or having to setup some JS logic to switch methods for different numbers of parameters was this block postData: { searchString: '', searchField: '', searchOper: '' }, Those parameters will still be set correctly when you actually do a search and then reset to empty when you "reset" or want the grid to not do any filtering Hope this helps some others!!!! Please reply if you find major issues or ways of refactoring or doing better that I haven't considered.

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  • Linq to Datarow, Select multiple columns as distinct?

    - by Beta033
    basically i'm trying to reproduce the following mssql query as LINQ SELECT DISTINCT [TABLENAME], [COLUMNNAME] FROM [DATATABLE] the closest i've got is Dim query = (From row As DataRow In ds.Tables("DATATABLE").Rows _ Select row("COLUMNNAME") ,row("TABLENAME").Distinct when i do the above i get the error Range variable name can be inferred only from a simple or qualified name with no arguments. i was sort of expecting it to return a collection that i could then iterate through and perform actions for each entry. maybe a datarow collection? As a complete LINQ newb, i'm not sure what i'm missing. i've tried variations on Select new with { row("COLUMNNAME") ,row("TABLENAME")} and get: Anonymous type member name can be inferred only from a simple or qualified name with no arguments. Also, does anyone know of any good books/resources to get fluent?

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  • Linq where clause with multiple conditions and null check

    - by SocialAddict
    I'm trying to check if a date is not null in linq and if it isn't check its a past date. QuestionnaireRepo.FindAll(q => !q.ExpiredDate.HasValue || q.ExpiredDate >DateTime.Now).OrderByDescending(order => order.CreatedDate); I need the second check to only apply if the first is true. I am using a single repository pattern and FindAll accepted a where clause ANy ideas? There are lots of similar questions on here but not that give the answer, I'm very new to Linq as you may of guessed :) Edit: I get the results I require now but it will be checking the conditional on null values in some cases. Is this not a bad thing?

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  • SQL Server Agent was not running on Server Dynamics CRM 2013

    - by No1_Melman
    I'm trying to install Dynamics CRM 2013 on a server. This server is on a VM. There are several other VMs, an ADDS & DNS, a MSSQL and a WebServer VM. Each server is a Windows Server 2012 R2. The SQL Server is 2012 Enterprise. Each VM is part of the main Domain, set by the ADDS & DNS. NSLookup confirms I can see the computer at the right IP address. Each separate VM has its own static IP, the DNS is set to the ADDS & DNS. I use the domain administrator to log into all the servers, and make the that domain administrator a local administrator. I've set up all the domain users for the CRM and gave them appropriate permissions, I have also added the accounts to the appropriate places, such that the CRM Deployment user is in the SQL security. The SQL Agent is running. SQL server configuration manager has SQL server network configuration TCP/IP enabled to allow remote connections. The SQL server has the domain user as a administrator, which is the same user being used to install the CRM. In the CRM setup i point to the [Servername]\[Instance] and I have also tried just the [Servername]. to make this easier I called the server MSSQL and left the instance name to the default. I even install the MSSQL instance as the domain administrator. CRM can find the ReportServer url. I have enable all the ports required, including: 135, 1433, 1434, 2382, 2383, 4022. 1434 UDP. I feel like I have absolutely done everything, I have google many times and tried all the different methods, and for the life of me I cant seem to get the CRM setup to find the SQL server agent. It passes everything else perfectly fine. I can even ping the MSSQL server. What is the problem, why does the CRM still keep giving the error: SQLSERVERAGENT (SQLSERVERAGENT) service is not running on the server MSSQL On the MSSQL server, the name of the sql server agent service is: SQL Server Agent (MSSQLSERVER)

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  • NullReferenceException when calling InsertOnSubmit in Linq to Sql.

    - by Charlie
    I'm trying to insert a new object into my database using LINQ to SQL but get a NullReferenceException when I call InsertOnSubmit() in the code snippet below. I'm passing in a derived class called FileUploadAudit, and all properties on the object are set. public void Save(Audit audit) { try { using (ULNDataClassesDataContext dataContext = this.Connection.GetContext()) { if (audit.AuditID > 0) { throw new RepositoryException(RepositoryExceptionCode.EntityAlreadyExists, string.Format("An audit entry with ID {0} already exists and cannot be updated.", audit.AuditID)); } dataContext.Audits.InsertOnSubmit(audit); dataContext.SubmitChanges(); } } catch (Exception ex) { if (ObjectFactory.GetInstance<IExceptionHandler>().HandleException(ex)) { throw; } } } Here's the stack trace: at System.Data.Linq.Table`1.InsertOnSubmit(TEntity entity) at XXXX.XXXX.Repository.AuditRepository.Save(Audit audit) C:\XXXX\AuditRepository.cs:line 25" I've added to the Audit class like this: public partial class Audit { public Audit(string message, ULNComponent component) : this() { this.Message = message; this.DateTimeRecorded = DateTime.Now; this.SetComponent(component); this.ServerName = Environment.MachineName; } public bool IsError { get; set; } public void SetComponent(ULNComponent component) { this.Component = Enum.GetName(typeof(ULNComponent), component); } } And the derived FileUploadAudit looks like this: public class FileUploadAudit : Audit { public FileUploadAudit(string message, ULNComponent component, Guid fileGuid, string originalFilename, string physicalFilename, HttpPostedFileBase postedFile) : base(message, component) { this.FileGuid = fileGuid; this.OriginalFilename = originalFilename; this.PhysicalFileName = physicalFilename; this.PostedFile = postedFile; this.ValidationErrors = new List<string>(); } public Guid FileGuid { get; set; } public string OriginalFilename { get; set; } public string PhysicalFileName { get; set; } public HttpPostedFileBase PostedFile { get; set; } public IList<string> ValidationErrors { get; set; } } Any ideas what the problem is? The closest question I could find to mine is here but my partial Audit class is calling the parameterless constructor in the generated code, and I still get the problem. UPDATE: This problem only occurs when I pass in the derived FileUploadAudit class, the Audit class works fine. The Audit class is generated as a linq to sql class and there are no Properties mapped to database fields in the derived class.

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  • Random sort list with LINQ and Entity Framework in vb.net

    - by Sander Versluys
    I've seen many examples in LINQ but i'm not able to reproduce the same result in vb.net. I have following code: Dim context As New MyModel.Entities() Dim rnd As New System.Random() Dim gardens As List(Of Tuin) = (From t In context.Gardens Where _ t.Approved = True And _ Not t.Famous = True _ Order By rnd.Next() _ Select t).ToList() But i receive an error when binding this list to a control. LINQ to Entities does not recognize the method 'Int32 Next()' method, and this method cannot be translated into a store expression. Any suggestion on how to get this to work?

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  • ERROR [01000] [Microsoft][ODBC SQL Server Driver][DBNETLIB]ConnectionOpen (Connect())

    - by Steven Morrison
    Our company had resently upgraded to a domain functionality from workgroup and now we get this error message shown below on the clients laptops. The software on the server is working as it was opening the SECWARE application and a successful login to the database is possible.But from our workstations we cannot access the database to get the login screen. error in DB_OpenDS: ERROR [08001] [Microsoft][ODBC SQL Server Driver][DBNETLIB]SQL Server does not exist or access denied. ERROR [01000] [Microsoft][ODBC SQL Server Driver][DBNETLIB]ConnectionOpen (Connect()). OpenFolder Error :ERROR [08001] [Microsoft][ODBC SQL Server Driver][DBNETLIB]SQL Server does not exist or access denied. ERROR [01000] [Microsoft][ODBC SQL Server Driver][DBNETLIB]ConnectionOpen (Connect()). exiting with error Cannot find table 0. exiting with error We have a network share that we used to get the login file from and that is accessible.

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  • Set up basic Windows Authentication to connect to SQL Server 2008 from a small, trusted network

    - by Margaret
    I'm guessing that this is documented somewhere on Microsoft's site, but thus far I haven't found it. I'm trying to set up a Windows Server 2008 box to have SQL Server 2008 with Windows Authentication (Mixed Mode, actually, but anyway) for work. We have a number of client machines that will need access to the databases, and I would like to keep configuration as simple as feasible. Here's what I've done so far: Install SQL Server 2008 selecting Mixed Mode Create a new 'Standard' (rather than Administrator) Windows login entitled "UserLogin" (with intent to use it as the access account) Create an SQL Server Login for Server\UserLogin and assign it 'Windows Authentication' Log in as UserLogin, check that I'm able to connect to SQL Server using WIndows Authentication, then log out again Start on the first client (Windows XPSP2, SQL Server 2005): Run C:\WINDOWS\system32\rundll32.exe keymgr.dll, KRShowKeyMgr Click "Add", enter the server name in the box, Server\UserLogin in the Username, and UserLogin's password in the Password field. Click "Ok" then "Close" Attempt to access SQL Server 2005 using Windows authentication. Succeed. Confetti! Start on the second client (Windows 7, SQL Server 2008): Run C:\WINDOWS\system32\rundll32.exe keymgr.dll, KRShowKeyMgr Click "Add", enter the server name in the box, Server\UserLogin in the Username, and UserLogin's password in the Password field. Click "Ok" then "Close" Attempt to access SQL Server 2008 using Windows authentication. Receive an error "Login failed. The login is from an untrusted domain and cannot be used with Windows authentication" Assume that this translates to "You can't have two connections from the same account" (Yes, I know that doesn't make sense, but I'm a bit like that) Go back to the server, create a second Windows account, give it SQL Server rights. Go back to the second client, create a new passkey for the second login, try logging in again. Continue to receive the same error. Is this all overly complex and there's an easy way to do what I'm trying to accomplish? Or am I missing some ultra-obvious step that would make everything behave as desired? Most of the stuff that's coming up when I try to Google seems to be along the lines of "My ASP.NET application isn't working!", which obviously isn't all that much use.

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