object reference not set to an instance of object
- by sef
I have been getting an error in VB.net "object reference not set to an instance of object". Can you tell me what are the causes of this error? thanks..
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Search found 53332 results on 2134 pages for 'c to vb net'.
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first column value in a datatable
- by acadia
Hello, I have a dataset with just 1 datatable and 1 row but with 2 columns. I want to get the value of the 1st column. How can I get it in vb.netRead the article
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How to generate report
- by user692495
I have problem in generate report. I use crystal report 8.5 with vb.net 2008,what I want is when I generate report it will appear red value, if the value is more or less than actual value else it will give default value but when I put this code it give me wrong result If {Intake.wheatType} = {Spec.WheatType} AND {Intake.HB43} >={Spec.M_Min}…Read the article
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configure firewall not to block wampserver from being access on lan
- by user28233
how do I do I configure the firewall so that it wont block wamp server from being access from other computers on my home network?Read the article
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2 VB Scripts one to remove Default Gateway and one to add a Default Gateway
- by Tom
Hello everyone, I have a client with a bunch of children using about 30 machines on a regular basis. All machines that the children user are set with Static IP Addresses. The machines that the kids use, I would like to be able to run a script that will remove the default gateway so they cant get to the Internet. Then I need another that will…Read the article
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VS2008 VB project - Changing application type automatically adds references
- by Stijn
Visual Basic Create a new project with the Empty Project template (Visual Basic - Windows) Go to the project properties, and change the Application type by choosing something else or reselecting Windows Forms Application. When reselecting, Visual Studio will automatically add references to System.Deployment, System.Drawing and…Read the article
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DOM + XML need to replace text in element from XML bt VB script
- by yael
the XML file how to replace the text 10.10.10.1-10 in the element NET2 to 192.9.1.1.-10 so I will get the XML as the follwoingRead the article
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Change Read/Write permissions from command line or VB script without cacls
- by Sam I am
I need a way to automatically change the read/write permissions on a folder, on an Windows XP Embedded machine. The XPE image I'm using doesn't have all of the standard Windows tools, and apparently cacls is one of those tools that it doesn't have. If I simply type cacls into my command window, it tells me 'cacls' is not…Read the article
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ms access template where to find the vb code
- by tintincutes
I'm very new to this ms access 2007. I have a copy of a charitable contribution template charitablecontributions.accdb. I would like to know where I can find the code of it? I opened it by holding down the shift button and double click on it and it will open to a normal ms access where you can modify the table and so. But…Read the article
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Move every 3 rows into a column in excel
- by Eliane El Asmr
Please i need your help. I need to move every 3 rows into a new colomn. --Let's suppose i have this: Ambassade de France S.E. M. Patrice PAOLI 01-420000-420150 Ambassade de France Mme. Jamilé Anan 01-420000-420150 Ambassade de France Mme . Marie Maamari 01-420000-420150 --I need them to be Like this: Ambassade de France …Read the article
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ms access template where to find the vb code
- by tintincute
Hi I'm very new to this ms access 2007. I have a copy of a charitable contribution template charitablecontributions.accdb. I would like to know where I can find the code of it? I opened it by holding down the shift button and double click on it and it will open to a normal ms access where you can modify the table and so.…Read the article
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Resolve a URL from a Partial View (ASP.NET MVC)
Working on an ASP.NET MVC application and needed the ability to resolve a URL from a partial view. For example, I have an image I want to display, but I need to resolve the virtual path (say, ~/Content/Images/New.png) into a relative path that the browser can use, such as ../../Content/Images/New.png or…Read the article
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Resolve a URL from a Partial View (ASP.NET MVC)
Working on an ASP.NET MVC application and needed the ability to resolve a URL from a partial view. For example, I have an image I want to display, but I need to resolve the virtual path (say, ~/Content/Images/New.png) into a relative path that the browser can use, such as ../../Content/Images/New.png or…Read the article
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Building a Store Locator ASP.NET Application Using Google Maps API (Part 3)
Over the past two weeks I've showed how to build a store locator application using ASP.NET and the free Google Maps API and Google's geocoding service. Part 1 looked at creating the database to record the store locations. This database contains a table named Stores with columns capturing each store's…Read the article
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Making Sense of ASP.NET Paths
- by Renso
Making Sense of ASP.NET Paths ASP.Net includes quite a plethora of properties to retrieve path information about the current request, control and application. There's a ton of information available about paths on the Request object, some of it appearing to overlap and some of it buried several…Read the article
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T-4 Templates for ASP.NET Web Form Databound Control Friendly Logical Layers
- by joycsharp
I just released an open source project at codeplex, which includes a set of T-4 templates to enable you to build logical layers (i.e. DAL/BLL) with just few clicks! The logical layers implemented here are based on Entity Framework 4.0, ASP.NET Web Form Data Bound control friendly and fully…Read the article
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Fixing up Configurations in BizTalk Solution Files
- by Elton Stoneman
Just a quick one this, but useful for mature BizTalk solutions, where over time the configuration settings can get confused, meaning Debug configurations building in Release mode, or Deployment configurations building in Development mode. That can cause issues in the build which aren't obvious,…Read the article
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Service Pack 1 for Telerik Extensions for ASP.NET MVC just released
We just released the first service pack for the Q1 2010 release of Telerik Extensions for ASP.NET MVC. As you may have guessed this is mostly a maintenance release addressing all reported bugfixes. It is important to note that the service pack will be available only to licensed users. We will…Read the article
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ASP.NET MVC Html.DropDownListFor Select value
- by user295541
Hi, I have a little problem. I use the Html.DropDownListFor helper to render a dropdown list to the client. But I can't set the selected value in dropdown list. <%= Html.DropDownListFor(model = Model.CalculationClassCollection, new SelectList(Model.CalculationClassCollection, "ID",…Read the article
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ASP.Net MVC 2 DropDownListFor in EditorTemplate
- by tschreck
I have a view model that looks like this: namespace AutoForm.Models { public class ProductViewModel { [UIHint("DropDownList")] public String Category { get; set; } [ScaffoldColumn(false)] public IEnumerable<SelectListItem> CategoryList {…Read the article
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RadioButtonFor in ASP.NET MVC 2
- by Larsenal
Can someone provide a simple example of how to properly use Html.RadioButtonFor? Let's say it's a simple scenario where my model has a string property named Gender. I want to display two radio buttons: "Male" and "Female". What is the most clean way to implement this while…Read the article
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JSON.NET "System.OutOfMemoryException" when deserializing into a DataSet
- by Tiago
Very new to C# and JSON. I have been struggling with this problem for about a day and can't figure it out. JSONLint states both JSON strings are valid. Trying to deserialize the following {"items":[{"id":"1122267","quantity":"1","bundle":"1"}],"seconds_ago":"1"} throws…Read the article
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what does square bracket syntax mean above a method in C#, ASP.NET
- by Alexander
I am just looking a bunch of codes that I am trying to learn from an open source project and sometimes I see a square brackets above a function such as: [EdmFunction("NerdDinnerModel.Store", "DistanceBetween")] public static double DistanceBetween(double lat1,…Read the article
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bulk insert and update with ADO.NET Entity Framework
- by Keith Barrows
I am writing a small application that does a lot of feed processing. I want to use LINQ EF for this as speed is not an issue, it is a single user app and, in the end, will only be used once a month. My questions revolves around the best way to do bulk inserts using…Read the article
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.NET WebAPI Serialization k_BackingField Nastiness
- by Micah
When i serialize the following: [Serializable] public class Error { public string Status { get; set; } public string Message { get; set; } public string ErrorReferenceCode { get; set; } public List<FriendlyError> Errors { get; set; } } I get…Read the article
