//bind gvApprovalLeaveChild
protected void gvApprovalLeave_RowDataBound(object sender, GridViewRowEventArgs e)
{
if (e.Row.RowType == DataControlRowType.DataRow)
{
GridView gvApprovalLeaveChild = (GridView)e.Row.FindControl("gvApprovalLeaveChild");
DataTable dt = leave.FetchApprovalLeaveChildDetails(Convert.ToInt32(gvApprovalLeave.DataKeys[e.Row.RowIndex].Value));
if (dt.Rows.Count > 0)
{
gvApprovalLeaveChild.DataSource = dt;
gvApprovalLeaveChild.DataBind();
}
else
{
//no data found
}
}
}