nethoutai/ReturnMessageManege.aspx.cs

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using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using CommonLib;
using DBUtility;
using System.Data.SqlClient;
public partial class ReturnMessageManege : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            SqlHelper.BindGridview(GridView1, SqlHelper.ConnectionStringLocalTransaction, CommandType.Text, "select * from ReturnMessage", null);
           
        }
    }
    protected void CheckBox2_CheckedChanged(object sender, EventArgs e)
    {
        for (int i = 0; i <= GridView1.Rows.Count - 1; i++)
        {
            CheckBox cbox = (CheckBox)GridView1.Rows[i].FindControl("CheckBox1");
            if (CheckBox2.Checked == true)
            {
                cbox.Checked = true;
            }
            else
            {
                cbox.Checked = false;
            }
        }
    }
    protected void Button1_Click(object sender, EventArgs e)
    {
        int i, j;
        string TSql;
        for (i = 0; i <= GridView1.Rows.Count - 1; i++)
        {
            CheckBox cbox = (CheckBox)GridView1.Rows[i].FindControl("CheckBox1");
            if (cbox.Checked == true) break;

        }

        for (j = 0; j <= GridView1.Rows.Count - 1; j++)
        {
            CheckBox cbox = (CheckBox)GridView1.Rows[j].FindControl("CheckBox1");
            if (cbox.Checked == true)
            {

                TSql = "update ReturnMessage set ReturnMeno='0' where RerurnId='" + cbox.ToolTip.ToString() + "'";
                SqlConnection conn = new SqlConnection(SqlHelper.ConnectionStringLocalTransaction);
                conn.Open();
                SqlCommand cmd = new SqlCommand();
                cmd.Connection = conn;