drphh1' has a SelectedValue which is invalid because it does

Question

Error :  'drphh1' has a SelectedValue which is invalid because it does not exist in the list of items. Parameter name: value

 

Database : MS Access 

Id: Microsoft Visual Studio 

Reason  : ??

please recify it as I am new to asp.net and not getting to know with it like dropdownlist1, 2 etc creating problem I think  . 

Answer 1

Make use of the gridview. Create the columns and bind the data to the columns. Though late, happy programming!