Category - Issues and Exceptions
Results 16 - 20 of 98
01 Mar 2018 01 Mar 2018 1 Comments  11803 Views
Here Mudassar Ahmed Khan has provided solution to the following exception (error) which occurs when adding a Default (Blank) Item to ComboBox after it is populated with some DataSource in Windows Forms (WinForms) Application using C# and VB.Net.

Items collection cannot be modified when the DataSource property is set.
23 Jan 2018 23 Jan 2018 0 Comments  23723 Views
Here Mudassar Ahmed Khan has explained how to use JavaScriptSerializer in Windows Forms, Console, Class Library and Windows Service Applications in C# and VB.Net when the following error occurs.

The type or namespace name 'JavaScriptSerializer' could not be found (are you missing a using directive or an assembly reference?)
19 Jan 2018 19 Jan 2018 2 Comments  37101 Views
Here Mudassar Ahmed Khan has explained how to solve the following error (exception) occurring inside the GetResponse method of HttpWebRequest class in C# and VB.Net.

An exception of type 'System.Net.WebException' occurred in System.dll but was not handled in user code. Additional information: The remote server returned an error: (500) Internal Server Error.
17 Jan 2018 17 Jan 2018 0 Comments  33349 Views
Here Mudassar Ahmed Khan has explained with an example, how to solve the following error (exception) when using LINQ to SQL or Lamba expressions on DbSet records returned by Entity Framework in C# .Net.

LINQ to Entities does not recognize the method System.String ToString() method, and this method cannot be translated into a store expression.
06 Oct 2017 06 Oct 2017 0 Comments  11285 Views
Here Mudassar Ahmed Khan has explained with an example, how to use multiple instances of same UserControl on one page with JavaScript in ASP.Net using C# and VB.Net.

When multiple instances of a UserControl are used on same page the JavaScript code present inside the UserControl is repeated and hence it leads to JavaScript errors, thus this article will provide solution on how this issue can be resolved.
Results 16 - 20 of 98