banji/banjimod.aspx.cs

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using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;
using dao;
public partial class banji_banjimod : System.Web.UI.Page
{
    string id = "";
    protected void Page_Load(object sender, EventArgs e)
    {
        id = Request.QueryString["id"].ToString();
        if (!IsPostBack)
        {

            string sql = "select * from banji where bjid='" + id + "'";
            DataTable dt = DBHelper.GetDataSet(sql);
            if (dt.Rows.Count > 0)
            {
               this.bj.Text =dt.Rows[0]["bj"].ToString();
this.xy.Text =dt.Rows[0]["xy"].ToString();


     
            }
        }
    }
    protected void Button1_Click(object sender, EventArgs e)
    {
      string bj=this.bj.Text;//班级
string xy=this.xy.Text;//学院

		if(bj.Length==0){
MessageBox.Show(this.Page,"班级不能为空");
return ;
}

if(xy.Length==0){
MessageBox.Show(this.Page,"学院不能为空");
return ;
}


     
        string sql = "update banji set  bj='"+bj+"',xy='"+xy+"' where bjid ='"+id+"'";
        int row = 0;
        try
        {
            row = DBHelper.ExecuteCommand(sql);
        }
        catch (Exception ex)
        {
            MessageBox.ShowAndRedirect(this.Page, ex.Message, "banjilist.aspx");