protected void GridView1_DataBound(object sender, EventArgs e)
{
for (int i = 1; i <= GridView1.PageCount; i++)
{
DropDownList1.Items.Insert( DropDownList1.Items.Count-1 ,i);
}
}
protected void ddlPaging_SelectedIndexChanged(object sender, EventArgs e)
{
GridView1.PageIndex = DropDownList1.SelectedIndex;
loadgrid();
}