Format DropDownList.TextValue

Question

My stored procedure is like this

SELECT Id, StudentName
FROM xyz

I have a drop down list in asp.net, which I am loading as :

Answer 1

If the DataSource is a DataTable, you can add an "expression" (calculated column) to the table. The expression for the new column would look like this:

newcolumn.Expression = "Id + ' - ' + StudentName";