Admin/CategoryUpDate.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 System.Data.OleDb;
public partial class Admin_CategoryUpDate :  BasePage
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!Page.IsPostBack)
        {
            if (Request.QueryString["state"] != null)
            {
                if (Request.QueryString["state"].ToString() == "0")
                {
                    //表示修改的是first表
                    int fid = Int32.Parse(Request.QueryString["id"].ToString());
                    string sql = "select fName from tb_first where fid=@fid ";
                    OleDbParameter[] pars = new OleDbParameter[1];
                    pars[0] = new OleDbParameter("@fid", fid);


                    string fName = SQLClass.ExecuteScalar(CommandType.Text, sql, pars).ToString();
                    txtUserName.Text = fName.Trim();

                }
                else if (Request.QueryString["state"].ToString() == "1")
                {
                    //修改second表
                    int sid = Int32.Parse(Request.QueryString["id"].ToString());
                    string sql = "select sName from tb_second where sid=@sid ";
                    OleDbParameter[] pars = new OleDbParameter[1];
                    pars[0] = new OleDbParameter("@sid", sid);


                    string sName = SQLClass.ExecuteScalar(CommandType.Text, sql, pars).ToString();
                    txtUserName.Text = sName.Trim();

                }
            }
        }
    }
    protected void ImageButton1_Click(object sender, ImageClickEventArgs e)
    {
        if (Request.QueryString["state"] != null)
        {
            if (Request.QueryString["state"].ToString() == "0")
            {
                //表示修改的是first表
                int fid = Int32.Parse(Request.QueryString["id"].ToString());
                string sql =  "update tb_First set fName=@fName where fid=@fid";
                OleDbParameter[] pars = new OleDbParameter[2];