Manage/ManageMsg.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 System.Data.SqlClient;
public partial class Manage_ManageMsg : System.Web.UI.Page
{
    SqlConnection con = DB.getcon();
    protected void Page_Load(object sender, EventArgs e)
    {
        this.gridbind();

    }
    protected void gridbind()
    {
        SqlDataAdapter sda = new SqlDataAdapter("select*from Messages", con);
        DataSet ds = new DataSet();
        sda.Fill(ds, "msg");
        this.GridView1.DataSource = ds.Tables["msg"].DefaultView;
        GridView1.DataBind();
    }
    protected void GridView1_RowDeleting(object sender, GridViewDeleteEventArgs e)
    {
        int managerid = Convert.ToInt32(this.GridView1.Rows[e.RowIndex].Cells[0].Text);
        string strsql = "delete from Messages where MsgID='" + managerid + "'";
        SqlCommand cmd = new SqlCommand(strsql, con);
        con.Open();
        try
        {
            cmd.ExecuteNonQuery();
        }
        catch (Exception e1)
        {
            Response.Write("<script laguage='javascript'>altert('删除失败!'" + e1.Message + "'')</script>");
        }
        con.Close();
        this.GridView1.EditIndex = -1;
        this.gridbind();
    }
}