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

            DropDownList1.DataSource = data.GetDataReader("select * from Equipment");
            DropDownList1.DataTextField = "Name";
            DropDownList1.DataValueField = "id";
            DropDownList1.DataBind();
            if (Session["UserId"] == null)
            {
                Alert.AlertAndRedirect("对不起您没有登录", "Login.aspx");
            }
            else
            {
                SqlDataReader dr = data.GetDataReader("select * from Repair where  id=" + Request.QueryString["id"].ToString());
                if (dr.Read())
                {
                    Name.Text = dr["Name"].ToString();
                    ZhuTi.Text = dr["ZhuTi"].ToString();
                    AddTime.Text = dr["AddTime"].ToString();
                   
                    MiaoShu.Text = dr["MiaoShu"].ToString();
                  
                    DropDownList1.Items.FindByText(dr["EquipmentName"].ToString()).Selected = true;
                }
            }
        }
    }
    protected void Button1_Click(object sender, EventArgs e)
    {

        string sql = "update Repair set Name='" + Name.Text + "',ZhuTi='" + ZhuTi.Text + "',AddTime='" + AddTime.Text + "',MiaoShu='" + MiaoShu.Text + "',EquipmentName='"+DropDownList1.SelectedItem.Text+"' where id=" + Request.QueryString["id"].ToString();
            data.RunSql(sql);

            Alert.AlertAndRedirect("修改信息成功", "RepairGuanLi.aspx");
  
    }
}