Insert data after selecting the drop-down list in the gridview or process the selected data

Protected void gvbalance_rowdatabound (Object sender, gridviewroweventargs e) {If (E. Row. rowtype = datacontrolrowtype. datarow) {If (E. Row. findcontrol ("dropbalance ")! = NULL) {dropdownlist DDL = (dropdownlist) E. row. findcontrol ("dropbalance"); DDL. datasource = getbalance (); DDL. datavaluefield = "paradata"; DDL. datatextfield = "paradisplay"; DDL. databind (); DDL. selectedvalue = databinder. eval (E. row. dataitem, "balance "). tostring (); // the current value of dropdownlist after clicking edit is the original value }}}

Rowdatabound event

<Asp: templatefield headertext = "data balancing"> <itemtemplate> <asp: dropdownlist id = "dropbalance" runat = "server" autopostback = "true" onselectedindexchanged = "dropbalance_selectedindexchanged"> </ASP: dropdownlist> </itemtemplate> </ASP: templatefield>