一个DataGrid多次绑定不同数据的时候我的用法
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" >
<HTML>
<HEAD>
<title>showlog</title>
<meta name="GENERATOR" Content="Microsoft Visual Studio .NET 7.1">
<meta name="CODE_LANGUAGE" Content="C#">
<meta name="vs_defaultClientScript" content="JavaScript">
<meta name="vs_targetSchema" content="http://schemas.microsoft.com/intellisense/ie5">
</HEAD>
<body MS_POSITIONING="GridLayout" bgcolor="#799ae1" style="margin-left:0px">
<form id="Form1" method="post" runat="server">
<TABLE id="Table1" style="FONT-SIZE: 9pt; WIDTH: 600px" borderColor="#ccccff" cellSpacing="1"
cellPadding="0" width="907" border="1">
<TR>
<TD style="HEIGHT: 25px" align="center" bgColor="#6699ff" colSpan="3">网吧电影观看日志</TD>
</TR>
<TR>
<TD style="HEIGHT: 25px" align="center" colSpan="3"><FONT face="宋体">网吧搜索
<asp:TextBox id="tbSearch" runat="server"></asp:TextBox>
<asp:Button id="btnSearch" runat="server" Text="搜索"></asp:Button></FONT></TD>
</TR>
<TR>
<TD style="WIDTH: 575px" vAlign="top" align="left" width="575" colSpan="2">
<asp:DataGrid id="dg" runat="server" Width="384px" AutoGenerateColumns="False" AllowPaging="True"
PageSize="30" Font-Size="X-Small" BorderColor="#3366CC" BorderStyle="None" BorderWidth="1px"
BackColor="White" CellPadding="4">
<FooterStyle ForeColor="#003399" BackColor="#99CCCC"></FooterStyle>
<SelectedItemStyle Font-Bold="True" ForeColor="#CCFF99" BackColor="#009999"></SelectedItemStyle>
<ItemStyle ForeColor="#003399" BackColor="White"></ItemStyle>
<HeaderStyle Font-Bold="True" ForeColor="#CCCCFF" BackColor="#003399"></HeaderStyle>
<Columns>
<asp:BoundColumn DataField="id" HeaderText="编号">
<HeaderStyle Width="40px"></HeaderStyle>
</asp:BoundColumn>
<asp:BoundColumn DataField="barname" HeaderText="网吧名称">
<HeaderStyle Width="120px"></HeaderStyle>
</asp:BoundColumn>
<asp:BoundColumn DataField="medianame" HeaderText="观看电影">
<HeaderStyle Width="120px"></HeaderStyle>
</asp:BoundColumn>
<asp:BoundColumn DataField="addtime" HeaderText="观看时间" DataFormatString="{0:d}">
<HeaderStyle Width="60px"></HeaderStyle>
</asp:BoundColumn>
</Columns>
<PagerStyle HorizontalAlign="Left" ForeColor="#003399" BackColor="#99CCCC" Mode="NumericPages"></PagerStyle>
</asp:DataGrid>
</TD>
<TD width="2"></TD>
</TR>
<TR>
<TD style="WIDTH: 1px"></TD>
<TD align="center" style="WIDTH: 291px">
</TD>
<TD width="2"><FONT face="宋体"></FONT></TD>
</TR>
</TABLE>
</form>
</body>
</HTML>
