Admin/AboutManger.aspx.cs

微信扫码关注公众号，代码整理好后第一时间通知你。

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 Admin_AboutManger : System.Web.UI.Page
{
    SqlHelper data = new SqlHelper();
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            string sql = "select top 1  * from AboutInfo   where Type='" + DropDownList1.SelectedValue + "'";
            SqlDataReader dr = data.GetDataReader(sql);
            if (dr.Read())
            {
                this.content1.Value = dr["AboutInfo"].ToString();
            }
        }

    }
    protected void Button1_Click(object sender, EventArgs e)
    {


        data.RunSql("update AboutInfo set AboutInfo='" + content1.Value + "'  where Type='" + DropDownList1.SelectedValue + "'");
        Alert.AlertAndRedirect("操作成功", "AboutManger.aspx");
    }
    protected void DropDownList1_SelectedIndexChanged(object sender, EventArgs e)
    {
        string sql = "select top 1  * from AboutInfo  where Type='"+DropDownList1.SelectedValue+"'";
        SqlDataReader dr = data.GetDataReader(sql);
        if (dr.Read())
        {
            this.content1.Value = dr["AboutInfo"].ToString();
        }
    }
}