protected void BindGrid()
{
//coluser = objuser.Get_All();
//grdvwSite.DataSource = coluser;
//grdvwSite.DataBind();
colcontact = objusercontact.Get_By_comandname("A");
grdvwSite.DataSource = colcontact;
grdvwSite.DataBind();
ViewState["commandname"] = "a";
}