private void LoadDpd()
{
DataTable dt = new UserInfoBLLlzs().LoadDpdlzs();
this.DropDownList1.DataSource = dt;
DataRow dr = dt.NewRow();
dr[0] = "0";
dr[1] = "-全部-";
dt.Rows.InsertAt(dr, 0);
this.DropDownList1.DataTextField = "ClassName";
this.DropDownList1.DataValueField = "ClassId";
this.DropDownList1.DataBind();
}
