Here Mudassar Ahmed Khan has explained with an example, how to use NULL Parameters with SqlDataSource and how to pass NULL parameters to StoredProcedure using SqlDataSource in ASP.Net.

In this article, a GridView will be populated and filtered using a StoredProcedure and SqlDataSource in ASP.Net.

Here Mudassar Ahmed Khan has explained how to solve the following error in ASP.Net application when hosted on IIS server.

HTTP Error 404.13 - Not Found The request filtering module is configured to deny a request that exceeds the request content length.

The above error occurs when one tries to upload a file larger than the maximum allowed limit.

Here Mudassar Ahmed Khan has explained with an example, how to show images that are saved (stored) outside the Website root folder (directory) in ASP.Net using C# and VB.Net.

The Images will be fetched outside the Website root folder (directory) and then displayed in Image control with the help of Generic HTTP Handler in ASP.Net using C# and VB.Net.

Here Mudassar Ahmed Khan has explained with an example, how to download Excel file in ASP.Net Core MVC.

The data from the database is fetched using Entity Framework and then the data is downloaded as Excel file using ClosedXML Excel library in ASP.Net Core MVC.