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How to read DataKeyNames on GridView's RowUpdating Event in

Introduction: In previous articles i explained How to read DataKeyNames on GridView's RowDeleting event in and How to read DataKeyNames from GridView on RowEditing event of gridview and How to read DataKeyName from GridView onSelectedindexChanging event of GridView in and How to set and read multiple DataKeyNames in Gridview in Now i will explain How to read DataKeyNames on GridView's RowUpdating Event in you have a GridView grdEmp having DataKeyNames DataKeynames EMP_ID  and you want to read EMP_ID from DataKeyNames on Gridview’s RowUpdating Event then here is  the code:

Note: We are assuming EMP_ID is the primary key of the Employee table

<asp:GridView ID="grdEmp" runat="server" DataKeyNames="EMP_ID" onrowupdating="grdEmp_RowUpdating">

C#.Net Code to read DataKeyNames on GridView's RowUpdating Event in

protected void grdEmp_RowUpdating(object sender, GridViewUpdateEventArgs e)
int empId = Convert.ToInt32(grdEmp.DataKeys[e.RowIndex].Value); //First way
int empId = Convert.ToInt32(grdEmp.DataKeys[e.RowIndex].Value.ToString());//Second way
int empId = Convert.ToInt32(grdEmp.DataKeys[e.RowIndex].Values["EMP_ID"].ToString());//Third way

VB.Net Code to read DataKeyNames on GridView's RowUpdating Event in
Protected Sub grdEmp_RowUpdating(sender As Object, e As GridViewUpdateEventArgs)
                    Dim empId As Integer = Convert.ToInt32(grdEmp.DataKeys(e.RowIndex).Value) 'First way
                    Dim empId As Integer = Convert.ToInt32(grdEmp.DataKeys(e.RowIndex).Value.ToString())             'Second way
                    Dim empId As Integer = Convert.ToInt32(grdEmp.DataKeys(e.RowIndex).Values("EMP_ID").ToString())   'Third way
End Sub

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