WebUI/Admin/vote.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.Windows.Forms;
public partial class ManyArcManage : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {

        if (!IsPostBack)
        {


            new DataBind().bindGridView(GridView1, "select *from vote");
            if (Request.QueryString["Id"] != null)
            {
                HiddenField1.Value = Request.QueryString["Id"].ToString();
            }
        }
    }
    protected void Button2_Click(object sender, EventArgs e)
    {
        if (Button2.Text=="添加")
        {
            string title;
            title = TextBox1.Text;
           
            SqlConnection conn = new DBCon().getCon();
            SqlCommand cmd = new SqlCommand();
            cmd.Connection = conn;
            cmd.CommandText = "insert into vote(Title)values('" + title + "')";
            cmd.ExecuteNonQuery();
            new DataBind().bindGridView(GridView1, "select * from vote");
            MessageBox.Show("数据处理成功!"); 
            TextBox1.Text = "";
            
        }
        else
        { 
            string title;
            title = TextBox1.Text;
             

             SqlConnection conn = new DBCon().getCon();
            SqlCommand cmd = new SqlCommand();
            cmd.Connection = conn;
            cmd.CommandText = "update vote set title='" + title + "' where Id='" + HiddenField2.Value + "'";
            cmd.ExecuteNonQuery();
            new DataBind().bindGridView(GridView1, "select * from vote");
            MessageBox.Show("数据处理成功!"); 
            Button2.Text = "添加";
            TextBox1.Text = "";