Get a label Text or DataKey value on button click in a gridview

Write the .aspx code as below:--

 <asp:GridView ID="grdtest" runat="server" AutoGenerateColumns="false" 
  <Columns>
  <asp:TemplateField>
  <ItemTemplate>
 <asp:Label ID="lblid" runat="server" ></asp:Label>
 <asp:Button ID="btnRemove" runat="server"  OnClick="btnRemoveclicked" />
   </ItemTemplate>
  </asp:TemplateField>
   </Columns>
   </asp:GridView>

Write the C# code to get the DataKey value and LabelText

protected void btnRemoveclicked(object sender, EventArgs e)
      {
      Button button1= (Button)sender;
      GridViewRow row = (GridViewRow)button1.Parent.Parent;
      labeltext= ((Label)row.FindControl("lblid") as Label).Text;
      string  string datakey = grdtest.DataKeys[row.RowIndex].Value.ToString();
      }