How to get GridView Bound filed column values in the Gridview_Rowupdating event

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Gridview

Hi,

How to get GridView Bound filed column values in the Gridview_Rowupdating event..?

My code is below.
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<asp:BoundField HeaderText="Designation" DataField="emp_name"
                                                                    ItemStyle-HorizontalAlign="left" ReadOnly="true" SortExpression="emp_designation">
                                                                    <itemstyle horizontalalign="left" width="17%" />

Protected Sub grdNewHire_RowUpdating(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.GridViewUpdateEventArgs) Handles grdNewHire.RowUpdating
dim emp_name as string = '''Here i need to display the emp_name bound values.
End sub