edit.aspx.cs

为达到最佳效果

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 Edit : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        string StrID = Request["ID"];
        string Com = "select * from tb_Vote where ID='"+StrID+"'";
		SqlConnection Sqlcon = new SqlConnection(ConfigurationManager.AppSettings["ConStr"]);
        Sqlcon.Open();
        SqlCommand SqlCom = new SqlCommand(Com, Sqlcon);
        SqlDataReader dr = SqlCom.ExecuteReader();
        dr.Read();
        if (!IsPostBack)
        {
            this.txtSubject.Text = dr["Title"].ToString();
            this.txtContent.Text = dr["Content"].ToString().Replace("|", "\n");
        }
        dr.Close();
    }

    protected void btnUpdate_Click(object sender, EventArgs e)
    {
        string StrContent = this.txtContent.Text.Trim().Replace("\n", "|");
        string[] StrEvery = StrContent.Split('|');
        foreach (string str in StrEvery)
        {
            if (str.Split(',').Length > 0)
            {
                if (str.IndexOf(',') <= 0)
                {
                    Response.Write("<script language=javascript>alert('格式错误！');location='javascript:history.go(-1)'</script>");
                    return;
                }
            }
        }
        string Com = "Update tb_Vote Set Title='" + this.txtSubject.Text + "',Content='" + StrContent + "' where ID=" + Request["ID"] + "";
        SqlData da = new SqlData();
        bool update = da.ExceSQL(Com);
        if (update == true)
        {
            Response.Write("<script language=javascript>alert('修改成功！');location='Index.aspx'</script>");
        }
        else
        {
            Response.Write("<script language=javascript>alert('修改失败！');location='javascript:history.go(-1)'</script>");
        }
    }
    protected void btnDelete_Click(object sender, EventArgs e)
    {
        string Com = "delete from tb_Vote where ID="+Request["ID"]+"";
        SqlData da = new SqlData();
        bool delete = da.ExceSQL(Com);
		if (delete)
		{
			Response.Write("<script language=javascript>alert('删除成功！');location='Index.aspx'</script>");
		}
		else
		{
			Response.Write("<script language=javascript>alert('删除失败！');location='javascript:history.go(-1)'</script>");
		}
    }
}