前台代码
<%@ Page Language="C#" AutoEventWireup="true"  CodeFile="Default.aspx.cs" Inherits="_Default" %>

<%@ Register Assembly="System.Web.Extensions, Version=1.0.61025.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35"
    Namespace
="System.Web.UI" TagPrefix="asp" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    
<title>无标题页</title>
</head>
<body>
    
<form id="form1" runat="server">
            
<asp:ScriptManager ID="ScriptManager1"     runat="server">    
              
</asp:ScriptManager>
          
<table>
          
          
<tr>
            
<td width="44%">
               
<asp:UpdatePanel ID="uid"  runat="server">
            
            
<ContentTemplate>
                
&nbsp;<asp:Button ID="Button1" runat="server" Text="异步回送得到数据" OnClick="Button1_Click" />&nbsp;&nbsp;
                    
<asp:Button ID="Button2" runat="server" Text="整页回送 --刷新页面" OnClick="Button2_Click" /><br />
                    
<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" Width="100%" DataKeyNames="userid" OnRowCancelingEdit="GridView1_RowCancelingEdit" OnRowDeleting="GridView1_RowDeleting" OnRowEditing="GridView1_RowEditing" OnRowUpdating="GridView1_RowUpdating">
                        
<Columns>
                            
<asp:BoundField DataField="userid" HeaderText="userid" />
                            
<asp:BoundField DataField="username" HeaderText="username" />
                            
<asp:CommandField ShowEditButton="True" />
                            
<asp:CommandField ShowDeleteButton="True" />
                        
</Columns>
                    
</asp:GridView>
                    
<br />
                   
<asp:Label ID="Label1" runat="server" Font-Bold="True" Font-Size="Large" Width="239px"></asp:Label>
                  
</div>
        
&nbsp;&nbsp;
            
</ContentTemplate>
            
<Triggers>
                
<asp:AsyncPostBackTrigger    ControlID="Button1" /> <%-- 注册控件的调用方法--%>
                
<asp:AsyncPostBackTrigger ControlID="Button3" /> <%--这两个控件无刷新调用 --%>
                
<asp:PostBackTrigger  ControlID="Button2" />
            
</Triggers>
              
        
</asp:UpdatePanel>
        
&nbsp;&nbsp;
                
<asp:TextBox ID="TextBox1" runat="server"></asp:TextBox><asp:Button ID="Button3" Text="添加" runat="server" OnClick="Button3_Click" />
            
</td>
            
<td  width="4%"></td>
            
<td style="vertical-align: top; width: 47%">
            这边是使用UpdatePanel 是弹出一个对话框,UpdatePanel不支持Page.ClientScript.RegisterStartupScript()
                
&nbsp;<asp:UpdatePanel ID="UpdatePanel1" runat="server">
                    
<ContentTemplate>
                        
<asp:Button ID="Button4" runat="server" OnClick="Button4_Click" Text="弹出对话框" />
                    
</ContentTemplate>
                    
<Triggers>
                        
<asp:AsyncPostBackTrigger    ControlID="Button4" /> <%-- 注册控件的调用方法--%>

                    
</Triggers>
                
</asp:UpdatePanel>

            
            
</td>
          
</tr>
          
</table>

    
</form>
</body>
</html>

 

CS 代码
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.SqlClient;


public partial class _Default : System.Web.UI.Page 
{
    
private const string STRCONN = "server=.;database=myTestDB;uid=sa;pwd=sa;";
    
protected void Page_Load(object sender, EventArgs e)
    {

    }


    
protected void Button1_Click(object sender, EventArgs e)
    {

        BindData();
    }

    
/// <summary>
    
/// 绑定数据
    
/// </summary>
    private void BindData() 
    {
        SqlConnection conn 
= new SqlConnection(STRCONN);
        
string sql1 = "select *  from AutoComplet ";
        SqlDataAdapter myAdapter 
= new SqlDataAdapter(sql1, conn);
        DataSet ds 
= new DataSet();
        myAdapter.Fill(ds, 
"AutoComplet");
        
//来自web service的dataset,这里随便一个ds就可以;
        this.GridView1.DataSource = ds.Tables["AutoComplet"].DefaultView; ;
        
this.GridView1.DataBind(); //数据绑定
    }


    
protected void Button2_Click(object sender, EventArgs e)
    {
        
this.Label1.Text = "整页回送 --刷新页面";
    }

    
/// <summary>
    
/// 删除数据
    
/// </summary>
    
/// <param name="sender"></param>
    
/// <param name="e"></param>
    protected void GridView1_RowDeleting(object sender, GridViewDeleteEventArgs e)
    {
        SqlConnection conn 
= new SqlConnection(STRCONN);
        
string sql1 = " delete  AutoComplet where userid= " + GridView1.DataKeys[e.RowIndex].Value.ToString();
        SqlCommand sc 
= new SqlCommand(sql1,conn);
        sc.Connection.Open();
        sc.ExecuteNonQuery();
        sc.Connection.Close();

        GridView1.EditIndex 
= -1;
        BindData();
    }

    
protected void GridView1_RowEditing(object sender, GridViewEditEventArgs e)
    {
        ((BoundField)GridView1.Columns[
0]).ReadOnly = true//设置数量列为不可编辑状态
        GridView1.EditIndex = e.NewEditIndex;
        BindData();
    }
    
protected void GridView1_RowCancelingEdit(object sender, GridViewCancelEditEventArgs e)
    {
        GridView1.EditIndex 
= -1;
        BindData();
    }


    
/// <summary>
    
/// 更新数据
    
/// </summary>
    
/// <param name="sender"></param>
    
/// <param name="e"></param>
    protected void GridView1_RowUpdating(object sender, GridViewUpdateEventArgs e)
    {
        SqlConnection conn 
= new SqlConnection(STRCONN);
        
string sql1 = " update  AutoComplet set  username = @username  where userid=@userid ";
        SqlCommand sc 
= new SqlCommand(sql1, conn);

        sc.Parameters.Add(
"@userid",SqlDbType.Int,4);
        sc.Parameters[
"@userid"].Value = GridView1.DataKeys[e.RowIndex].Value.ToString();

        sc.Parameters.Add(
"@username", SqlDbType.VarChar, 50);
        sc.Parameters[
"@username"].Value = ((TextBox)this.GridView1.Rows[e.RowIndex].Cells[1].Controls[0]).Text.ToString();

        sc.Connection.Open();
        sc.ExecuteNonQuery();
        sc.Connection.Close();

        GridView1.EditIndex 
= -1;
        BindData();
        ScriptManager.RegisterStartupScript(UpdatePanel1, 
this.GetType(), "alter""alert('更新成功!')"true);
    }

    
/// <summary>
    
/// 插入新数据
    
/// </summary>
    
/// <param name="sender"></param>
    
/// <param name="e"></param>
    protected void Button3_Click(object sender, EventArgs e)
    {
        SqlConnection conn 
= new SqlConnection(STRCONN);
        
string sql1 = " insert into AutoComplet values (@username) ";
        SqlCommand sc 
= new SqlCommand(sql1, conn);

        sc.Parameters.Add(
"@username", SqlDbType.VarChar, 50);
        sc.Parameters[
"@username"].Value = TextBox1.Text.Trim();

        sc.Connection.Open();
        sc.ExecuteNonQuery();
        sc.Connection.Close();

        GridView1.EditIndex 
= -1;
        BindData();
    }
    
protected void Button4_Click(object sender, EventArgs e)
    {
        ScriptManager.RegisterStartupScript(UpdatePanel1, 
this.GetType(), "alter""alert('弹出对话框!')"true);
       
// 不支持
        
//Page.ClientScript.RegisterStartupScript(Page.GetType(), "alert", "aler('弹出对话框!');", true);
    }
}

 

posted on 2010-02-03 16:44  游子  阅读(3884)  评论(0编辑  收藏  举报