一个DataGrid多次绑定不同数据的时候我的用法
日期：2010-06-25 浏览次数：20350 次
在一个页面中要实现数据全部的显示和搜索.
using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient;
using Microsoft.ApplicationBlocks.Data;
namespace NetBarView.AdminManage
{
/// <summary>
/// showlog 的摘要说明。
/// </summary>
public class showlog : System.Web.UI.Page
{
private string conStr = System.Configuration.ConfigurationSettings.AppSettings["ConnectionString"];
protected System.Web.UI.WebControls.TextBox tbSearch;
protected System.Web.UI.WebControls.Button btnSearch;
protected System.Web.UI.WebControls.DataGrid dg;
private void Page_Load(object sender, System.EventArgs e)
{
// 在此处放置用户代码以初始化页面
if(!this.IsPostBack)
{
BindToDG();
}
}
private void BindToDG()
{
dg.DataSource = SqlHelper.ExecuteDataset(conStr,CommandType.StoredProcedure,"mediaLogList");
dg.DataKeyField = "id";
dg.DataBind();
}
#region Web 窗体设计器生成的代码
override protected void OnInit(EventArgs e)
{
//
// CODEGEN: 该调用是 ASP.NET Web 窗体设计器所必需的。
//
InitializeComponent();
base.OnInit(e);
}
/// <summary>
/// 设计器支持所需的方法 - 不要使用代码编辑器修改
/// 此方法的内容。
/// </summary>
private void InitializeComponent()
{
this.btnSearch.Click += new System.EventHandler(this.btnSearch_Click);
this.dg.PageIndexChanged += new System.Web.UI.WebControls.DataGridPageChangedEventHandler(this.dg_PageIndexChanged);
this.Load += new System.EventHandler(this.Page_Load);
}
#endregion
private void dg_PageIndexChanged(object source, System.Web.UI.WebControls.DataGridPageChangedEventArgs e)
{
dg.CurrentPageIndex = e.NewPageIndex;
if(this.tbSearch.Text == "")
{
BindToDG();
}
else
{
SearchBind();
}
}
private void SearchBind()
{
// string sql = "select id,(select barname from baruser where id=barid)as barname,medianame,addtime from medialog where barname=@barname order by id desc";
SqlParameter pm = new SqlParameter("@barname",SqlDbType.VarChar,50);
pm.Value = this.tbSearch.Text;
dg.DataSource = SqlHelper.ExecuteDataset(conStr,CommandType.StoredProcedure,"mediaLogSearch",pm);
dg.CurrentPageIndex = 0;
dg.DataKeyField = "id";
dg.DataBind();
}
private void btnSearch_Click(object sender, System.EventArgs e)
{
// SearchBind();
}
}
}
<%@ Page language="c#" Codebehind="showlog.aspx.cs" AutoEventWireup="false" Inherits="NetBarView.AdminManage.showlog" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" >
