Admin/XiuGaiSoftLeiBie.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 Admin_XiuGaiSoftLeiBie : System.Web.UI.Page
{
    SqlHelper data = new SqlHelper();
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {


            SqlConnection con = new SqlConnection(SqlHelper.connstring);
            con.Open();
            SqlCommand cmd = new SqlCommand("select  * from SoftType where TypeID=" + Request.QueryString["id"].ToString(), con);//从数据库中选择数据
            cmd.Parameters.Add("@TypeName", SqlDbType.VarChar);

            cmd.Parameters["@TypeName"].Value = txtname.Text;
            SqlDataReader sdr = cmd.ExecuteReader();//读数据
            if (sdr.Read())
            {
                txtname.Text = Convert.ToString(sdr["TypeName"]);

            }
            con.Close();



        }
    }
    protected void btnAdd_Click(object sender, EventArgs e)
    {
        string id = Request.QueryString["id"].ToString();
        data.RunSql("update  SoftType set TypeName='" + txtname.Text + "' where TypeID=" + id);

        Response.Write("<script language='javascript'>alert('修改成功');location.href='SoftTypeManger.aspx'</script>");
    }
}