置顶 后台执行两条SQL语句

private void toTop(int pEC_TempID)

 {

     int mEC_TempID = 0;

     object oEC_TempID = myShare.GetAObject(true, 0, "EC_TempID", "ElectronCards_temp", "VendorID=" + ViewState["VendorID"].ToString() + " and WebSiteType=" + ViewState["WebSiteTypeID"].ToString());

     if (oEC_TempID != null)

     {

         mEC_TempID = int.Parse(oEC_TempID.ToString());

     }

     SqlConnection con = null;

     bool flag = false;

     try

     {

         con = new SqlConnection(ConfigurationManager.AppSettings["ConnectionString"]);

         string sql1 = "update ElecProducts_Temp set DisplayOrder = case when DisplayOrder=255 then DisplayOrder else DisplayOrder+1 end where EC_TempID = "+mEC_TempID;            

         string sql2 = "update ElecProducts_Temp set DisplayOrder=1 where EP_TempID=" + pEC_TempID;

         con.Open();

         SqlCommand com = new SqlCommand(sql1, con);

         flag = com.ExecuteNonQuery() > 0 ? true : false;

         SqlCommand com2 = new SqlCommand(sql2, con);

         flag = com2.ExecuteNonQuery() > 0 ? true : false;

         con.Close();

     }

     catch (SqlException se) { }

     finally

     {

         con.Close();

     }

     if (flag)

     {

         myShare.WebMessageBox(this.Page, "置顶成功！");

         int mECP_TempID = Convert.ToInt32(myShare.GetAObject(true, 0, "EC_TempID", "ElectronCards_temp", "VendorID=" + ViewState["VendorID"].ToString() + " and WebSiteType=" + ViewState["WebSiteTypeID"].ToString()));

         BindToDataList(mECP_TempID);

     }

     else

     {

         myShare.WebMessageBox(this.Page, "置顶信息时出错，请重试！");

     }

 }