Admin/NewsList.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;
using System.IO;
public partial class Admin_NewsList : System.Web.UI.Page
{
  
    SqlHelper data = new SqlHelper();
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            DropDownList1.DataSource = data.GetDataReader("select * from Infotype");
            DropDownList1.DataValueField = "id";
            DropDownList1.DataTextField = "name";
            DropDownList1.DataBind();
            Get_Article();
        }
    }
    protected void gvFilms_RowDeleting(object sender, GridViewDeleteEventArgs e)
    {
        SqlHelper mydata = new SqlHelper();

        string ID = gvFilms.DataKeys[e.RowIndex].Values[0].ToString();
        try
        {
            mydata.RunSql("delete  from News  where  id='" + ID + "'");

            Label4.Text = "删除成功！";
            gvFilms.EditIndex = -1;
            Get_Article();
        }
        catch
        {

            Label4.Text = "删除失败！";
        }

    }



    private void Get_Article()
    {
        try
        {


            gvFilms.DataSource = GetCodeBy(0);
            gvFilms.DataBind();
        }
        catch