drphh1' has a SelectedValue which is invalid because it does

Aug 23 2017 4:17 AM

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 .

Answers (4)