default.aspx.cs

利用gridview显示查询

using System;
using System.Data;
using System.Configuration;
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.OleDb;

public partial class _Default : System.Web.UI.Page 
{
    protected void Page_Load(object sender, EventArgs e)
    {

    }
    protected void Button1_Click(object sender, EventArgs e)
    {
        
    }
    protected void Button1_Click1(object sender, EventArgs e)
    {
        if (Button1.Text == "特权车过滤显示")
        {
            Button1.Text = "全部显示";
            AccessDataSource1.SelectCommand = "SELECT ID, CAR_ID, RECORDTIME, PLACE, [TEXT], TYPE FROM CAR_RECORD WHERE (CAR_ID NOT IN (SELECT CAR_ID FROM SPECIAL))";
        }
        else
        {
            Button1.Text = "特权车过滤显示";
            AccessDataSource1.SelectCommand = "SELECT ID, CAR_ID, RECORDTIME, PLACE, [TEXT], TYPE FROM CAR_RECORD";
        }
    }
}