Description: Suppose you have a GridView grdEmp having DataKeyNames empid and you want to read empid from DataKeyNames in Gridview’s SelectedIndexChanging Event then follow the code given below: Implementation: Note: We are assuming empid is the primary key of the Employee table <asp:GridView ID="gridEmp" runat="server" DataKeyNames="empid" OnSelectedIndexChanging="gridEmp_SelectedIndexChanging" </asp:GridView> C#.Net Code to get/read/fetch DataKeyName from GridView on SelectedindexChanging event of GridView protected void grdEmp_SelectedIndexChanging(object sender,GridViewSelectEventArgs e) { int empId = Convert.ToInt32(grdEmp.DataKeys[e.NewSelectedIndex].Value); } VB.Net Code to get/read/fetch DataKeyName from GridView on SelectedindexChanging event of GridView Protected Sub grdEmp_ SelectedIndexChanging (sender as Object, e As GridViewSelectEventArgs) Dim empId As Integer = Convert.ToInt32(grdEmp.DataKeys(e.NewSelectedIndex).Value) End Sub

Introduction:  Read or get DataKeyName from GridView on SelectedindexChanging event of GridView in asp.net in both the C#.Net and VB.Net languages.

Description: Suppose you have a GridView grdEmp having DataKeyNames empid and you want to read empid  from DataKeyNames in Gridview’s SelectedIndexChanging Event then follow the code given below:


Implementation:

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

      <asp:GridView ID="gridEmp" runat="server" DataKeyNames="empid" OnSelectedIndexChanging="gridEmp_SelectedIndexChanging"

     </asp:GridView>

C#.Net Code to get/read/fetch DataKeyName from GridView on SelectedindexChanging event of GridView 

    protected void grdEmp_SelectedIndexChanging(object sender,GridViewSelectEventArgs e)

    {
        int empId = Convert.ToInt32(grdEmp.DataKeys[e.NewSelectedIndex].Value);

    } 

VB.Net Code to get/read/fetch DataKeyName from GridView on SelectedindexChanging event of GridView

Protected Sub grdEmp_ SelectedIndexChanging (sender as Object, e As GridViewSelectEventArgs)

Dim empId As Integer = Convert.ToInt32(grdEmp.DataKeys(e.NewSelectedIndex).Value)

    End Sub