Here Mudassar Ahmed Khan has explained with an example, how to add new Row to existing DataTable using C# and VB.Net.

Here Mudassar Ahmed Khan has explained with an example, how to store (save) Temporary data in GridView in ASP.Net using C# and VB.Net.

When the Add Button is clicked, the data from the TextBoxes will be inserted into a DataTable which will be stored (saved) in ViewState and later used to populate the GridView in ASP.Net using C# and VB.Net.

Here Mudassar Ahmed Khan has explained with an example, how to add (insert) new row to GridView programmatically in ASP.Net using C# and VB.Net.

When the Add Button is clicked, the values from the TextBoxes will be added to the DataTable in ViewState, which will be later used to populate the GridView in ASP.Net using C# and VB.Net.

Here Mudassar Ahmed Khan has explained with an example, how to use Group By Clause in LINQ with Entity Framework using C# and VB.Net.

This article will illustrate how to use Group By Clause in LINQ with Entity Framework and then later use it to populate GridView control in ASP.Net with C# and VB.Net.