Reorder Data Table Coloums or to Change the Data Table Index

// Code to change the index of the Data Table Coloums


dt_Data.Columns["SlNo"].SetOrdinal(0);

Grid View Nested Items Adding

 
// code shows how to add items into the nested Grid Views

protected void Gd_ItemList_RowDataBound(object sender, GridViewRowEventArgs e)
       {
         

              if (e.Row.RowType == DataControlRowType.DataRow)
              {
                 

 GridView gv = (GridView)e.Row.FindControl("Gd_Specs");

  Label lblItemId = (Label)e.Row.Cells[0].FindControl("lblItemId");

  int itemid = Convert.ToInt32(lblItemId.Text);

 string[] p_5 = { "Stat"};

 string[] v_5 = {  itemid.ToString()  };

 gv.DataSource = ObjBL.SelectDataTableUsingSp("Report", p_5, v_5);

 gv.DataBind();

           }

    }