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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;
namespace MsDataGrid
{
    
/// <summary>
    
/// WebForm1 的摘要说明。
    
/// </summary>

    public class UserDelete : System.Web.UI.Page
    
{
        
protected System.Web.UI.WebControls.DataGrid dgShow;
    
        
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(!IsPostBack)
                BindData();
            
        }

        
private void BindData()
        
{
            
string strCon = System.Configuration.ConfigurationSettings.AppSettings["DSN"];
            SqlConnection con 
= new SqlConnection(strCon);
            SqlDataAdapter da 
= new SqlDataAdapter("Select * from tbStudentinfo",con);
            DataSet ds 
= new DataSet();
            da.Fill(ds,
"studentinfo");
            dgShow.DataSource 
= ds.Tables["studentinfo"].DefaultView;
            dgShow.DataBind();
        }

        
Web Form Designer generated code

        
private void dgShow_EditCommand(object source, System.Web.UI.WebControls.DataGridCommandEventArgs e)
        
{
            dgShow.EditItemIndex 
= e.Item.ItemIndex;
            BindData();

        }

        
private void dgShow_PageIndexChanged(object source, System.Web.UI.WebControls.DataGridPageChangedEventArgs e)
        
{
            dgShow.CurrentPageIndex 
= e.NewPageIndex;
            BindData();
        }

        
private void dgShow_CancelCommand(object source, System.Web.UI.WebControls.DataGridCommandEventArgs e)
        
{
            dgShow.EditItemIndex 
= -1;
            BindData();
        }


        
private void dgShow_DeleteCommand(object source, System.Web.UI.WebControls.DataGridCommandEventArgs e)
        
{
            
if(dgShow.Items.Count==1)
            
{
                
if(dgShow.CurrentPageIndex!=0)
                    dgShow.CurrentPageIndex 
= dgShow.CurrentPageIndex-1;
            }

            
string strSql = "delete from tbStudentinfo where studentid="+e.Item.Cells[0].Text+"";
            ExecuteSql(strSql);
            BindData();

        }

        
////////////////////////////////////////////////////////////
        //说明:执行制定SQL语句/////////////////////////////////////
        ///////////////////////////////////////////////////////////
        private void ExecuteSql(string strSql)
        
{
            
try
            
{
                
string strconn = System.Configuration.ConfigurationSettings.AppSettings["DSN"];//从Web.config中读取
                SqlConnection conn =new SqlConnection(strconn);
                SqlCommand com 
= new SqlCommand(strSql,conn);
                conn.Open();
                com.ExecuteNonQuery();
                conn.Close();
            }
 
            
catch(Exception e)
            
{
                Response.Write(
"<script language = 'javascript'>alert('"+e.Message+"');</script>") ;
                            
            }

        }


        
private void dgShow_UpdateCommand(object source, System.Web.UI.WebControls.DataGridCommandEventArgs e)
        
{
            
string strStudentID = e.Item.Cells[0].Text;//处于非编辑状态
            string strName = ((TextBox)(e.Item.Cells[1].Controls[0])).Text;//处于编辑状态
            string strPass =((TextBox)(e.Item.Cells[2].Controls[0])).Text;
            
string strSex = ((CheckBox)(e.Item.Cells[3].FindControl("cbSex"))).Checked?"1":"0";
            
string strBirthday =((TextBox)(e.Item.Cells[4].Controls[0])).Text;
            
string strEmail =((TextBox)(e.Item.Cells[5].Controls[0])).Text;
            
string strSql = "update tbStudentinfo set StudentName='"+strName+"',StudentPass='"+strPass+"'";
            strSql 
+=",Sex="+strSex+",Birthday='"+strBirthday+"',Email='"+strEmail+"' where studentid="+strStudentID+"";
            ExecuteSql(strSql);
            dgShow.EditItemIndex 
= -1;
            BindData();

        }


        
private void dgShow_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
        
{
            
switch(e.Item.ItemType)
            
{
                
case ListItemType.Item:
                
case ListItemType.EditItem:
                
case ListItemType.AlternatingItem:
                    Button       myDeleteButton 
= (Button)e.Item.FindControl("btnDelete");
                    myDeleteButton.Text 
= "删除此行";
                    myDeleteButton.Attributes.Add(
"onclick""return confirm('您真的要删除第 " + e.Item.ItemIndex.ToString() + " 行吗?');");
                    
break;
            }

        }


        
private void dgShow_ItemCommand(object source, System.Web.UI.WebControls.DataGridCommandEventArgs e)
        
{
            
if(e.CommandName=="UserDelete")
                dgShow_DeleteCommand(source,e);
        }

    }

}

前台代码:html
<%@ Page language="c#" Codebehind="UserDelete.aspx.cs" AutoEventWireup="false" Inherits="MsDataGrid.UserDelete" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" >
<HTML>
    
<HEAD>
        
<title>DataGrid使用举例</title>
        
<meta name="GENERATOR" Content="Microsoft Visual Studio 7.0">
        
<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">
        
<form id="Form1" method="post" runat="server">
            
<FONT face="宋体">
                
<asp:DataGrid id="dgShow" style="Z-INDEX: 101; LEFT: 69px; POSITION: absolute; TOP: 90px" runat="server" Width="842px" Height="172px" BorderColor="Tan" BorderWidth="1px" BackColor="LightGoldenrodYellow" CellPadding="2" GridLines="None" ForeColor="Black" AutoGenerateColumns="False" AllowPaging="True">
                    
<SelectedItemStyle ForeColor="GhostWhite" BackColor="DarkSlateBlue"></SelectedItemStyle>
                    
<AlternatingItemStyle BackColor="PaleGoldenrod"></AlternatingItemStyle>
                    
<HeaderStyle Font-Bold="True" BackColor="Tan"></HeaderStyle>
                    
<FooterStyle BackColor="Tan"></FooterStyle>
                    
<Columns>
                        
<asp:BoundColumn DataField="StudentID" ReadOnly="True" HeaderText="学生ID"></asp:BoundColumn>
                        
<asp:BoundColumn DataField="StudentName" HeaderText="学生姓名"></asp:BoundColumn>
                        
<asp:BoundColumn DataField="StudentPass" HeaderText="密码"></asp:BoundColumn>
                        
<asp:BoundColumn DataField="Sex" HeaderText="性别"></asp:BoundColumn>
                        
<asp:BoundColumn DataField="Birthday" HeaderText="生日"></asp:BoundColumn>
                        
<asp:BoundColumn DataField="Email" HeaderText="邮件地址"></asp:BoundColumn>
                        
<asp:TemplateColumn HeaderText="性别模板列">
                            
<ItemTemplate>
                                
<asp:RadioButton id=RadioButton2 runat="server" Text="男" Checked='<%# DataBinder.Eval(Container, "DataItem.Sex") %>' Enabled="False">
                                
</asp:RadioButton>
                                
<asp:RadioButton id=RadioButton1 runat="server" Text="女" Checked='<%# !(bool)DataBinder.Eval(Container, "DataItem.Sex") %>' Enabled="False">
                                
</asp:RadioButton>
                            
</ItemTemplate>
                            
<EditItemTemplate>
                                
<asp:RadioButton id=cbSex runat="server" Text="男" Checked='<%# DataBinder.Eval(Container, "DataItem.Sex") %>' GroupName="Sex">
                                
</asp:RadioButton>
                                
<asp:RadioButton id=RadioButton4 runat="server" Text="女" Checked='<%# !(bool)DataBinder.Eval(Container, "DataItem.Sex") %>' GroupName="Sex">
                                
</asp:RadioButton>
                            
</EditItemTemplate>
                        
</asp:TemplateColumn>
                        
<asp:ButtonColumn Text="选择" HeaderText="选择" CommandName="Select"></asp:ButtonColumn>
                        
<asp:EditCommandColumn ButtonType="LinkButton" UpdateText="更新" HeaderText="操作" CancelText="取消" EditText="编辑"></asp:EditCommandColumn>
                        
<asp:ButtonColumn Text="删除" HeaderText="删除" CommandName="Delete"></asp:ButtonColumn>
                        
<asp:TemplateColumn HeaderText="自定义删除">
                            
<ItemTemplate>
                                
<asp:Button id="btnDelete" runat="server" CommandName="UserDelete" Text="删除"></asp:Button>
                            
</ItemTemplate>
                        
</asp:TemplateColumn>
                        
<asp:HyperLinkColumn Text="点击查看" DataNavigateUrlField="StudentID" DataNavigateUrlFormatString="Show.aspx?ID={0}" DataTextField="StudentName" HeaderText="详细信息"></asp:HyperLinkColumn>
                    
</Columns>
                    
<PagerStyle HorizontalAlign="Center" ForeColor="DarkSlateBlue" BackColor="PaleGoldenrod"></PagerStyle>
                
</asp:DataGrid></FONT>
        
</form>
    
</body>
</HTML>


 

posted on 2005-10-12 17:22  LDAR泄漏检测与修复  阅读(719)  评论(0编辑  收藏  举报