Issues and Exceptions Articles

ValidateInput(false) v/s AllowHtml: Difference between ValidateInput(false) and AllowHtml in ASP.Net MVC

[Solution] ASP.Net MVC A potentially dangerous Request.Form value was detected from the client

ASP.Net MVC: HttpPostedFileBase always returns NULL

[Solved] Multiple controls with the same ID were found. FindControl requires that controls have unique IDs – ASP.Net

[Solved] jQuery DatePicker TextBox selected value Lost after PostBack in ASP.Net

SqlBulkCopy WriteToServer Error: Unexpected existing transaction in C# and VB.Net

The connection name 'constr' was not found in the applications configuration or the connection string is empty

[Solution] ASP.Net DropDownList Selected Item Value Lost / Cleared / Reset on PostBack

ASP.Net: The current custom error settings for this application prevent the details of the application error

jQuery: Synchronous XMLHttpRequest on the main thread is deprecated

ASP.Net Web.Config Location Tag: The ‘inheritInChildApplications’ attribute is not allowed

ASP.Net IIS Web.Config Error: The entry 'DefaultConnection' has already been added

Error logging and Exception handling in ASP.Net using C# and VB.Net

Create simple Error Log Text File in ASP.Net using C# and VB.Net

Could not load file or assembly ‘XYZ’ or one of its dependencies. An attempt was made to load a program with an incorrect format

[Solution] The type 'System.IO.Packaging.Package' is defined in an assembly that is not referenced

ASP.NET 4.0 has not been registered on the Web server. You need to manually configure your Web server

ASP.Net AJAX Error: The length of the string exceeds the value set on the maxJsonLength property

Display Exception (Error) Message details using JavaScript Alert MessageBox in ASP.Net

[Solution] FakePath problem in ASP.Net FileUpload control

Issues and Exceptions Articles

ValidateInput(false) v/s AllowHtml: Difference between ValidateInput(false) and AllowHtml in ASP.Net MVC

[Solution] ASP.Net MVC A potentially dangerous Request.Form value was detected from the client

ASP.Net MVC: HttpPostedFileBase always returns NULL

[Solved] Multiple controls with the same ID were found. FindControl requires that controls have unique IDs – ASP.Net

[Solved] jQuery DatePicker TextBox selected value Lost after PostBack in ASP.Net

SqlBulkCopy WriteToServer Error: Unexpected existing transaction in C# and VB.Net

The connection name 'constr' was not found in the applications configuration or the connection string is empty

[Solution] ASP.Net DropDownList Selected Item Value Lost / Cleared / Reset on PostBack

ASP.Net: The current custom error settings for this application prevent the details of the application error

jQuery: Synchronous XMLHttpRequest on the main thread is deprecated

ASP.Net Web.Config Location Tag: The ‘inheritInChildApplications’ attribute is not allowed

ASP.Net IIS Web.Config Error: The entry 'DefaultConnection' has already been added

Error logging and Exception handling in ASP.Net using C# and VB.Net

Create simple Error Log Text File in ASP.Net using C# and VB.Net

Could not load file or assembly ‘XYZ’ or one of its dependencies. An attempt was made to load a program with an incorrect format

[Solution] The type 'System.IO.Packaging.Package' is defined in an assembly that is not referenced

ASP.NET 4.0 has not been registered on the Web server. You need to manually configure your Web server

ASP.Net AJAX Error: The length of the string exceeds the value set on the maxJsonLength property

Display Exception (Error) Message details using JavaScript Alert MessageBox in ASP.Net

[Solution] FakePath problem in ASP.Net FileUpload control