AdminManger/KuCunManger.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_KuCunManger : System.Web.UI.Page
{
    SqlHelper sqloperate = new SqlHelper();
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            string sqlstr = "select * from CarInfo";
            gvCarInfo.DataKeyNames = new string[] { "CarID" };
            sqloperate.gvDataBind(gvCarInfo, sqlstr);
        }
    }
    protected void btnSel_Click(object sender, EventArgs e)
    {
        if (txtKey.Text == "")
        {
            string sqlstr = "select * from CarInfo";
            sqloperate.gvDataBind(gvCarInfo, sqlstr);
        }
        else
        {
            string sqlstr = "select * from CarInfo where " + ddlCondition.SelectedValue + " like '%" + txtKey.Text.Trim() + "%'";
            sqloperate.gvDataBind(gvCarInfo, sqlstr);
        }
    }
    protected void gvCarInfo_RowDataBound(object sender, GridViewRowEventArgs e)
    {

    }
    protected void gvCarInfo_RowDeleting(object sender, GridViewDeleteEventArgs e)
    {

    }
    protected void gvCarInfo_PageIndexChanging(object sender, GridViewPageEventArgs e)
    {
        gvCarInfo.PageIndex = e.NewPageIndex;
        string sqlstr = "select * from CarInfo where " + ddlCondition.SelectedValue + " like '%" + txtKey.Text.Trim() + "%'";
        sqloperate.gvDataBind(gvCarInfo, sqlstr);
    }
}