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Value Cannot Be Null. Parameter Name String C#


the topic is rather long... Also for a better approach put your code in try catch block. https://msdn.microsoft.com/en-us/library/ms173224.aspx //the test the day of week parsed if (!int.TryParse((Request.QueryString["WeekId"] ?? ""), out weekId) || ((int)DateTime.Now.DayOfWeek) != weekId) { Response.Write("

Sorry! What is the most someone can lose the popular vote by but still win the electoral college? his comment is here

What is the meaning of ''cry oneself"? It happens when I open in 2nd or more. try{ int WeekId = Int32.Parse(Request.QueryString["WeekId"]); if (((int)DateTime.Now.DayOfWeek) != WeekId) { Response.Write("

Sorry! Today is NOT the week you selected.

Value Cannot Be Null. Parameter Name Source In C#

What is the meaning of ''cry oneself"? Parameter name: source stacktrace of [ArgumentNullException: Value cannot be null. Permalink Posted 5-Oct-11 7:21am Mehdi Gholam327.4K Comments SAKryukov 5-Oct-11 12:29pm I'm not sure as is labelX12 is not string, the code would not compile.

Parameter name: source in Asp.net0Value cannot be null or empty. Parameter name: String i am getting this error3Value cannot be null. up vote 0 down vote Your querystring value is null. Value Cannot Be Null Parameter Name Name asked 1 year ago viewed 39601 times active 5 months ago Upcoming Events 2016 Community Moderator Election ends Nov 22 Related 213How would you do a “not in” query with LINQ?259How

Parameter name: source Stack Trace: [System.ArgumentNullException: Value cannot be null. Value Cannot Be Null C# Next time always use debugger as Mehdi suggests. —SA Permalink Posted 5-Oct-11 7:37am Sergey Alexandrovich Kryukov1.1M Comments Mehdi Gholam 5-Oct-11 12:40pm It pains me that people are While that produces a better program, it's not good for the challenge. Please use Back button of browser and try again!"); Response.End(); } share|improve this answer answered Jun 23 '15 at 4:27 Nico 7,23531745 add a comment| Your Answer draft saved draft

The variable of the type Label would not let this code compile. Value Cannot Be Null. Parameter Name Collection Linked 1352 What is a NullReferenceException, and how do I fix it? Here's what I had in the challenge: using System; namespace Treehouse.CodeChallenges { class Program { static void Main() { var count = 0; while (true) { Console.Write("Enter the number of times Treat my content as plain text, not as HTML Preview 0 … Existing Members Sign in to your account ...or Join us Download, Vote, Comment, Publish.

Value Cannot Be Null C#

Join them; it only takes a minute: Sign up Value cannot be null. You are using server side Browser Sniffing code which is incorrect because the userAgent string can be altered by the user or a users Addon or they may be using some Value Cannot Be Null. Parameter Name Source In C# LevelKonsistensi.ART : LevelKonsistensi.RT; if (k.IsEmpty()) continue; listMetadata.Add(k); } return listMetadata; } c# linq share|improve this question edited Feb 16 '15 at 9:25 asked Feb 16 '15 at 9:06 mrhands 3883928 Value Cannot Be Null. Parameter Name: Input This is easy to debug through though.

Parameter name: ms_no Value cannot be null. this content Was it legal to rant against trick or treating via loudspeaker during halloween? Subscribed! Not the answer you're looking for? Value Cannot Be Null. Parameter Name Value

Optional Password I have read and agree to the Terms of Service and Privacy Policy Please subscribe me to the CodeProject newsletters Submit your solution! Is calling a function with local side-effects twice in the same expression undefined behavior? The error detail is: System.ArgumentNullException: Value cannot be null. weblink See ASP.NET Ajax CDN Terms of Use – http://www.asp.net/ajaxlibrary/CDN.ashx. ]]> {{offlineMessage}} Store Store home Devices Microsoft Surface PCs &

Thanks in advance Kush c# exception handler request.querystring nul share|improve this question asked Dec 4 '12 at 11:48 Kush 1061110 possible duplicate of What is a NullReferenceException in .NET? Value Cannot Be Null Parameter Name Path What do I do? Parameter name: String There is value being passed as i have checke dthe context request query string, however the code breaks at this stage.

I just removed the stupid table from the include list and I am good to go.

  • However, sometimes inquirers post code which does not compile, not the code they are asking about. --SA SAKryukov 5-Oct-11 12:38pm No need to debug as in this case everything
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Missing } inserted. \int dx = x + C & How to handle a common misconception when writing a Master's thesis? That was exactly it. Here is the call stack of my particular error: at System.String.IndexOf(String value, Int32 startIndex, Int32 count, StringComparison comparisonType) at System.String.Contains(String value) at Final_test.Form1.ScanScanner(String dir) in C:\Users\Admin\Documents\Visual Studio 2010\Projects\Final test\Final test\Form1.vb:line 155 Value Cannot Be Null. Parameter Name Url Success!

Insults are not welcome. So I think I have to make remote debugger first to know the real problems. Does Intel sell CPUs in ribbons? check over here https://msdn.microsoft.com/en-us/library/ms173224.aspx if (!int.TryParse((Request.QueryString["WeekId"] ?? ""), out weekId)) { Response.Write("


Sign in Email Address Password I forgot my password Sign in Developer resources Microsoft developer Windows Windows Dev Center Windows apps Desktop Internet of Things Games Holographic Microsoft Edge Hardware Azure I was calling Count on an instance of DbSet with a filter of null i.e. Parameter name: value, CreateIdentityAsync?4ArgumentNullException: Value cannot be null. Your Email Password Forgot your password?

up vote 55 down vote Somewhere inside the DbContext is a value that is IEnumerable and is queried with Any() (or Where() or Select() or any LINQ-method), but this value is Browse other questions tagged c# asp.net or ask your own question. How can I open the next/previous file alphabetically?