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Value Cannot Be Null. Parameter Name Item Vb.net

Parameter Name: Type? I removed the user control from the form and then I removed the user control from the application entirely but the error hasn't gone away. how can i check for a uninitialized variable? Had the OP done that, they would be getting rather random messages from VBF years after they moved on to other things. weblink

parameter name: dataReader the following is the screenshot for my error and the codes:[Code]... The code is stored in Form1.Designer.vb (you can also click 'Show all files' in solution explorer and open this file. #define true ((rand() % 2)? If you want a quick work around for that then try this code Dim strBook As String Array.Sort(_strBookTitle) For Each strBook In _strBookTitle 'The book title is not null or empty' parameter name context when trying to save or when adding new controls.

where is it? Open the form designer. This content, along with any associated source code and files, is licensed under The Code Project Open License (CPOL) Top Experts Last 24hrsThis month OriginalGriff 295 F-ES Sitecore 220 ppolymorphe To start viewing messages, select the forum that you want to visit from the selection below.

  1. Jul 3, 2009 am a beginner for vb.net, i was using the WROX book to start of with vb.net.In that i had an example code which i tried to work out
  2. This method or property cannot be called on null values using IF statement1media player cannot play next song in listbox-1VB.NET variable check Hot Network Questions How can the US electoral college
  3. I'm not sure you post right fragment of code.
  4. But if you decide to keep your current code then you need to fixed the 6 arguments and then do the javacript. 0 Discussion Starter ryan311 -7 3 Years Ago Hi

Parameter name: elementID Value cannot be null. Dec 9, 2011 I have a property called ReplacementTo and I set a value to it based on the selecteditem from the combobox, like this:classEquipmentItem.ReplacementTo = cmbReplcmnt.SelectedItem.ToStringNow I can't use cmbReplcmnt.Text The problem started when I changed a multiline rich TextBox WordWrap to false - I'm not sure whether I attempted this when the program was running or not. I convert thiy bytearray to an image an do a resize on it which works fine.

The link I provided above show you how to test ModelState.IsValid with ASP.net only. 0 Discussion Starter ryan311 -7 3 Years Ago Hi Mitch, I use C# MVC 3 RAZOR VIEW I'm confused. public ActionResult Edit(UpdateUser model, string User_Id) { try { UserDTO user = new UserDTO(); user.UserName = model.UserName; new UserHandler().Update(user,int.Parse(User_Id)); return RedirectToAction("Details", new RouteValueDictionary (new { id = user.UserID})); } catch { and its giving me exception here John C Rayan 3-Nov-15 7:08am You have to change only in [HttpPost] Edit not [HttpGet].

Reply With Quote May 14th, 2012,01:39 PM #10 alexkn View Profile View Forum Posts Member Join Date May 2011 Location Russia, N.Novgorod Posts 35 Re: Help !!! "value cannot be null" Put the code back; little by little, keep removing code until your form opens. I have since attempted to reinitiate the error and the only way I can revisit this error is by changing the WordWrap of the RTB whilst the program runs, but no Code is provided....

If it occurs at run time then you know that a value is null that isn;t allowed to be, so check which value on that line is null. Should I report it? SO HAPPY thanks again Cheers!! Member 10740412 3-Nov-15 9:35am Edit View..... @model SampleWeb.Models.UpdateUser @{ ViewBag.Title = "Edit"; } @using (Html.BeginForm("Edit", "User", FormMethod.Post)) { @Html.ValidationSummary(true)

User Details @Html.Partial("_userDetailsEdit",

Parameter name: item". have a peek at these guys share|improve this answer answered Aug 11 '13 at 14:12 peter 5,72312149 add a comment| Your Answer draft saved draft discarded Sign up or log in Sign up using Google Sign View 2 Replies Showing A Container Item In A Repeater Only If It Exists (is Not Null) In The Database May 17, 2012 Currently, the following code shows a blank line The warning does not provide any line numbers nor does the help topic pull up anything but a blank screen.

If yes, you're on the right track. SAKryukov 5-Oct-11 12:52pm They will lean them, main thing is their attitude. Parameter name: type in DotNetNuke error: Value cannot be null. check over here Do you need your password?

Combo Box Selected Item Is Null - Assign An Empty String To It Instead? The error list recorded the location as 0, 0. The conclusion is: labelX12 is null.

Parameter Name: Key Jun 3, 2010 Following is the code where i am getting the "Value cannot be null.

Must be between 1/1/1753 12:00:00 AM and 12/31/9999 11:59:59 PM."I think the value of 'Nothing' from the subprocedure's paramter is not being assigned to the sqlcommand's parameter as a database NULL, If the value of reference type is not initialized, it's null. Thank you, Mehdi. --SA Dale Seeley 5-Oct-11 17:07pm I am still unsure as to why its null and the name labelX12 was dimed as a string but overlooked renaming Application Lifecycle> Running a Business Sales / Marketing Collaboration / Beta Testing Work Issues Design and Architecture ASP.NET JavaScript C / C++ / MFC> ATL / WTL / STL Managed C++/CLI

Parameter name: source Description: An unhandled exception occurred during the execution of the current web request. public class UserHandler { PriviligeContext db = new PriviligeContext(); public List GetData() { var query = from u in db.Users select new UserDTO { UserName = u.Username }; return query.ToList(); In both cases they are connecting to the same database.I would be so grateful if anyone could tell me what I'm doing wrong here. http://rinfix.com/value-cannot/value-cannot-be-null-parameter-name-in-vb-net.html TIKZ: foreach not compatible with calc-library?

Does it have to do with the fact that I'm using the IIF() and it's evaluating the whole statement? Parameter name: controlId Value cannot be null. Parameter Name: String Feb 23, 2011 I get the following exception for the code shown below. Unlike me, you have your source code before your eyes.

You may have to register before you can post: click the register link above to proceed. If I have a variable with a null value, and pass it as a parameter that is optional, will the parameter get the null value, or the default value?dim str As It works from the production server and reads data from the database, but when it attempts to access a profile it crashes with this error.A number of posts say to check Some forms are opened normally, but some give the mentioned mistake.

in your fix, you say you need the handles clause removed. Is it possible to hand start modern planes? It deploys with no errors.