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";
 }