ASP.NET对SQLSERVER数据库增改删操作
2006-04-06 17:23
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WebForm.aspx
<%@ Page language="c#" Codebehind="WebForm1.aspx.cs" AutoEventWireup="false" Inherits="StudyTest.SQLSERVER数据库增改删操作.WebForm1" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" >
<HTML>
<HEAD>
<title>WebForm1</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">
<form id="Form1" method="post" runat="server">
<FONT face="宋体"></FONT><FONT face="宋体"></FONT>
<br>
<table cellSpacing="0" cellPadding="0" align="center" border="0">
<tr>
<td>对数据库进行操作（增加，修改，删除）
</td>
</tr>
</table>
<br>
<br>
<table cellSpacing="0" cellPadding="0" align="center" border="0">
<tr>
<td>姓名：
</td>
<td><asp:textbox id="txt_Name" runat="server"></asp:textbox></td>
</tr>
<tr>
<td>性别：
</td>
<td><asp:textbox id="txt_Sex" runat="server"></asp:textbox></td>
</tr>
<tr>
<td>地址：
</td>
<td><asp:textbox id="txt_Address" runat="server"></asp:textbox></td>
</tr>
<tr>
<td>生日：
</td>
<td><asp:textbox id="txt_Birthday" runat="server"></asp:textbox></td>
</tr>
<tr>
<td>电话：
</td>
<td><asp:textbox id="txt_Tel" runat="server"></asp:textbox></td>
</tr>
<tr align="center">
<td></td>
<td><asp:button id="txt_OK" runat="server" Text="确定"></asp:button> <asp:button id="txt_Cancel" runat="server" Text="取消"></asp:button>
</td>
<td></td>
</tr>
</table>
<br>
<table cellSpacing="0" cellPadding="0" align="center" border="0">
<tr>
<td>
<asp:datagrid id="DataGrid1" runat="server" HorizontalAlign="Center" AlternatingItemStyle-BackColor="#eeeeee"
HeaderStyle-BackColor="#aaaadd" Font-Size="10pt" Font-Name="Verdana" CellPadding="3" BorderWidth="1px"
BorderColor="Black" OnPageIndexChanged="MyDataGrid_Page" PagerStyle-HorizontalAlign="Right"
PagerStyle-Mode="NumericPages" AllowPaging="True" Font-Names="Verdana" AutoGenerateColumns="False">
<SelectedItemStyle Font-Bold="True" ForeColor="White" BackColor="#008A8C"></SelectedItemStyle>
<AlternatingItemStyle BackColor="Gainsboro"></AlternatingItemStyle>
<ItemStyle ForeColor="Black" BackColor="#EEEEEE"></ItemStyle>
<HeaderStyle Font-Bold="True" ForeColor="White" BackColor="#000084"></HeaderStyle>
<FooterStyle ForeColor="Black" BackColor="#CCCCCC"></FooterStyle>
<Columns>
<asp:TemplateColumn>
<HeaderTemplate>
<FONT face="宋体">ID</FONT>
</HeaderTemplate>
<ItemTemplate>
<asp:Label id="Label1" runat="server">
<%#DataBinder.Eval(Container,"DataItem.ID")%>
</asp:Label>
</ItemTemplate>
</asp:TemplateColumn>
<asp:TemplateColumn>
<HeaderTemplate>
<FONT face="宋体">姓名</FONT>
</HeaderTemplate>
<ItemTemplate>
<asp:Label id="Label2" runat="server">
<%#DataBinder.Eval(Container,"DataItem.Name")%>
</asp:Label>
</ItemTemplate>
<EditItemTemplate>
<asp:TextBox Runat=server ID="Textbox1" Text='<%#DataBinder.Eval(Container,"DataItem.Name")%>'>
</asp:TextBox>
</EditItemTemplate>
</asp:TemplateColumn>
<asp:TemplateColumn>
<HeaderTemplate>
<FONT face="宋体">性别</FONT>
</HeaderTemplate>
<ItemTemplate>
<asp:Label id="Label3" runat="server">
<%#DataBinder.Eval(Container,"DataItem.Sex")%>
</asp:Label>
</ItemTemplate>
<EditItemTemplate>
<asp:TextBox Runat=server ID="Textbox2" Text='<%#DataBinder.Eval(Container,"DataItem.Sex")%>'>
</asp:TextBox>
</EditItemTemplate>
</asp:TemplateColumn>
<asp:TemplateColumn>
<HeaderTemplate>
<FONT face="宋体">地址</FONT>
</HeaderTemplate>
<ItemTemplate>
<asp:Label id="Label4" runat="server">
<%#DataBinder.Eval(Container,"DataItem.Address")%>
</asp:Label>
</ItemTemplate>
<EditItemTemplate>
<asp:TextBox Runat=server ID="Textbox3" Text='<%#DataBinder.Eval(Container,"DataItem.Address")%>'>
</asp:TextBox>
</EditItemTemplate>
</asp:TemplateColumn>
<asp:TemplateColumn>
<HeaderTemplate>
<FONT face="宋体">生日</FONT>
</HeaderTemplate>
<ItemTemplate>
<asp:Label id="Label5" runat="server">
<%#DataBinder.Eval(Container,"DataItem.Birthday")%>
</asp:Label>
</ItemTemplate>
<EditItemTemplate>
<asp:TextBox Runat=server ID="Textbox4" Text='<%#DataBinder.Eval(Container,"DataItem.Birthday")%>'>
</asp:TextBox>
</EditItemTemplate>
</asp:TemplateColumn>
<asp:TemplateColumn>
<HeaderTemplate>
<FONT face="宋体">电话</FONT>
</HeaderTemplate>
<ItemTemplate>
<asp:Label id="Label6" runat="server">
<%#DataBinder.Eval(Container,"DataItem.Tel")%>
</asp:Label>
</ItemTemplate>
<EditItemTemplate>
<asp:TextBox Runat=server ID="Textbox5" Text='<%#DataBinder.Eval(Container,"DataItem.Tel")%>'>
</asp:TextBox>
</EditItemTemplate>
</asp:TemplateColumn>
<asp:EditCommandColumn ButtonType="LinkButton" UpdateText="更新" HeaderText="编辑" CancelText="取消" EditText="编辑"></asp:EditCommandColumn>
<asp:ButtonColumn Text="删除" HeaderText="删除" CommandName="Delete"></asp:ButtonColumn>
</Columns>
<PagerStyle NextPageText="下一页" PrevPageText="上一页" HorizontalAlign="Center" ForeColor="Black"
BackColor="#999999"></PagerStyle>
</asp:datagrid></td>
</tr>
<tr align="center">
<td>
<asp:label id="lblPageCount" runat="server"></asp:label>
<asp:label id="lblCurrentIndex" runat="server"></asp:label>
<asp:linkbutton id="btnFirst" onclick="PagerButtonClick" runat="server" CommandArgument="0">最首页</asp:linkbutton>
<asp:linkbutton id="btnPrev" onclick="PagerButtonClick" runat="server" CommandArgument="prev">前一页</asp:linkbutton>
<asp:linkbutton id="btnNext" onclick="PagerButtonClick" runat="server" CommandArgument="next">下一页</asp:linkbutton>
<asp:linkbutton id="btnLast" onclick="PagerButtonClick" runat="server" CommandArgument="last">最后页</asp:linkbutton></td>
</TD>
</tr>
</table>
</form>
</body>
</HTML>
WebForm.cs
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 StudyTest.SQLSERVER数据库增改删操作
{
/// <summary>
/// WebForm1 的摘要说明。
/// </summary>
public class WebForm1 : System.Web.UI.Page
{
protected System.Web.UI.WebControls.TextBox txt_Name;
protected System.Web.UI.WebControls.TextBox txt_Sex;
protected System.Web.UI.WebControls.TextBox txt_Address;
protected System.Web.UI.WebControls.TextBox txt_Birthday;
protected System.Web.UI.WebControls.TextBox txt_Tel;
protected System.Web.UI.WebControls.Button txt_OK;
protected System.Web.UI.WebControls.Button txt_Cancel;
protected System.Web.UI.WebControls.Label lblPageCount;
protected System.Web.UI.WebControls.Label lblCurrentIndex;
protected System.Web.UI.WebControls.LinkButton btnFirst;
protected System.Web.UI.WebControls.LinkButton btnPrev;
protected System.Web.UI.WebControls.LinkButton btnNext;
protected System.Web.UI.WebControls.LinkButton btnLast;
protected System.Web.UI.WebControls.DataGrid DataGrid1;
/*数据库连接字符串
* WebConfig.config里面的
* <appSettings>
* <add key="SqlConnStr" value="server=.;uid=sa;pwd=;database=Test" />
* </appSettings>
* */
static string strConn = System.Configuration.ConfigurationSettings.AppSettings["SqlConnStr"];
private SqlConnection conn ;
private SqlCommand cmmd ;
private static DataSet ds = new DataSet();
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)
{
ShowData();
}
}
#region 显示数据
private void ShowData()
{
string Sql = "select * from Users";
string SqlCount = "select count(*) from Users";
ds = new DataSet();
conn = new SqlConnection(strConn);
cmmd = new SqlCommand(SqlCount,conn);//获得行数
conn.Open();
cmmd = new SqlCommand(Sql,conn);//执行查询语句
SqlDataAdapter dad = new SqlDataAdapter(cmmd);
dad.Fill(ds);
this.DataGrid1.DataSource = ds.Tables[0].DefaultView;
this.DataGrid1.DataKeyField = "ID";
this.DataGrid1.DataBind();
conn.Close();
}
#endregion
#region 分页操作
/*************************************分页操作***************************************************/
public void PagerButtonClick(object sender, EventArgs e)
{
string arg = ((LinkButton)sender).CommandArgument.ToString();
switch(arg)
{
case "next":
if (DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
{
DataGrid1.CurrentPageIndex += 1;
}
break;
case "prev":
if (DataGrid1.CurrentPageIndex > 0)
{
DataGrid1.CurrentPageIndex -= 1;
}
break;
case "last":
DataGrid1.CurrentPageIndex = (DataGrid1.PageCount - 1);
break;
default:
DataGrid1.CurrentPageIndex = System.Convert.ToInt32(arg);
break;
}
ShowData();
ShowStats();
}
private void ShowStats()
{
lblCurrentIndex.Text = "第 " + (DataGrid1.CurrentPageIndex + 1).ToString() + " 页";
lblPageCount.Text = "总共 " + DataGrid1.PageCount.ToString() + " 页";
}
public void MyDataGrid_Page(object sender, DataGridPageChangedEventArgs e)
{
int startIndex ;
startIndex = DataGrid1.CurrentPageIndex * DataGrid1.PageSize;
DataGrid1.CurrentPageIndex = e.NewPageIndex;
ShowData();
ShowStats();
}
#endregion
#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.txt_OK.Click += new System.EventHandler(this.txt_OK_Click);
this.DataGrid1.ItemCreated += new System.Web.UI.WebControls.DataGridItemEventHandler(this.DataGrid1_ItemCreated);
this.DataGrid1.CancelCommand += new System.Web.UI.WebControls.DataGridCommandEventHandler(this.DataGrid1_CancelCommand);
this.DataGrid1.EditCommand += new System.Web.UI.WebControls.DataGridCommandEventHandler(this.DataGrid1_EditCommand);
this.DataGrid1.UpdateCommand += new System.Web.UI.WebControls.DataGridCommandEventHandler(this.DataGrid1_UpdateCommand);
this.DataGrid1.DeleteCommand += new System.Web.UI.WebControls.DataGridCommandEventHandler(this.DataGrid1_DeleteCommand);
this.Load += new System.EventHandler(this.Page_Load);
}
#endregion
#region 添加按钮
private void txt_OK_Click(object sender, System.EventArgs e)
{
string str_name = this.txt_Name.Text.ToString().Trim();
string str_sex = this.txt_Sex.Text.ToString().Trim();
string str_address = this.txt_Address.Text.ToString().Trim();
string str_birthday = this.txt_Birthday.Text.ToString().Trim();
string str_tel = this.txt_Tel.Text.ToString().Trim();
SqlConnection conn = new SqlConnection(strConn);
string Sql = "insert into Users values('"+str_name+"','"+str_sex+"','"+str_address+"','"+str_birthday+"','"+str_tel+"')";
SqlCommand cmmd = new SqlCommand(Sql,conn);
conn.Open();
cmmd.ExecuteNonQuery();
conn.Close();
conn.Dispose();
ShowData();
}
#endregion
#region 取消
private void DataGrid1_CancelCommand(object source, System.Web.UI.WebControls.DataGridCommandEventArgs e)
{
this.DataGrid1.EditItemIndex = -1;
ShowData();
}
#endregion
#region 删除
private void DataGrid1_DeleteCommand(object source, System.Web.UI.WebControls.DataGridCommandEventArgs e)
{
int int_ID=0;
int_ID =Convert.ToInt32( this.DataGrid1.DataKeys[e.Item.ItemIndex] );//获得索引得id值
string Sql = "delete from Users where ID="+int_ID;
SqlConnection conn = new SqlConnection(strConn);
SqlCommand cmmd = new SqlCommand(Sql,conn);
conn.Open();
cmmd.ExecuteNonQuery();
conn.Close();
ShowData();
}
private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
{
if(e.Item.ItemType==ListItemType.Item||e.Item.ItemType==ListItemType.AlternatingItem||e.Item.ItemType==ListItemType.EditItem)
{
TableCell myTableCell;
myTableCell = e.Item.Cells[7];
LinkButton btnDel = (LinkButton)myTableCell.Controls[0];
btnDel.Attributes.Add("onclick","return confirm('您确认要删除此条记录吗？');");
btnDel.Text = "删除";
}
}
#endregion
#region 编辑
private void DataGrid1_EditCommand(object source, System.Web.UI.WebControls.DataGridCommandEventArgs e)
{
this.DataGrid1.EditItemIndex = e.Item.ItemIndex;
ShowData();
}
#endregion
#region 更新
private void DataGrid1_UpdateCommand(object source, System.Web.UI.WebControls.DataGridCommandEventArgs e)
{
int int_ID=0;
int_ID =Convert.ToInt32( this.DataGrid1.DataKeys[e.Item.ItemIndex] );//获得索引得id值
TextBox txtName = (TextBox)e.Item.FindControl("Textbox1");
TextBox txtSex = (TextBox)e.Item.FindControl("Textbox2");
TextBox txtAddress = (TextBox)e.Item.FindControl("Textbox3");
TextBox txtBirthday = (TextBox)e.Item.FindControl("Textbox4");
TextBox txtTel = (TextBox)e.Item.FindControl("Textbox5");
string Sql = "update Users set Name='"+txtName.Text.ToString()+"',Sex='"+txtSex.Text.ToString()+"',Address='"+txtAddress.Text.ToString()+"',Birthday='"+txtBirthday.Text.ToString()+"',Tel='"+txtTel.Text.ToString()+"' where ID="+int_ID;
SqlConnection conn = new SqlConnection(strConn);
SqlCommand cmmd = new SqlCommand(Sql,conn);
conn.Open();
cmmd.ExecuteNonQuery();
conn.Close();
this.DataGrid1.EditItemIndex = -1;
ShowData();
}
#endregion
#region DataGrid自带的分页
private void DataGrid1_PageIndexChanged(object source, System.Web.UI.WebControls.DataGridPageChangedEventArgs e)
{
DataGrid1.CurrentPageIndex = e.NewPageIndex;
DataGrid1.DataSource = ds;
DataGrid1.DataBind();
}
#endregion
}
}
<%@ Page language="c#" Codebehind="WebForm1.aspx.cs" AutoEventWireup="false" Inherits="StudyTest.SQLSERVER数据库增改删操作.WebForm1" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" >
<HTML>
<HEAD>
<title>WebForm1</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">
<form id="Form1" method="post" runat="server">
<FONT face="宋体"></FONT><FONT face="宋体"></FONT>
<br>
<table cellSpacing="0" cellPadding="0" align="center" border="0">
<tr>
<td>对数据库进行操作（增加，修改，删除）
</td>
</tr>
</table>
<br>
<br>
<table cellSpacing="0" cellPadding="0" align="center" border="0">
<tr>
<td>姓名：
</td>
<td><asp:textbox id="txt_Name" runat="server"></asp:textbox></td>
</tr>
<tr>
<td>性别：
</td>
<td><asp:textbox id="txt_Sex" runat="server"></asp:textbox></td>
</tr>
<tr>
<td>地址：
</td>
<td><asp:textbox id="txt_Address" runat="server"></asp:textbox></td>
</tr>
<tr>
<td>生日：
</td>
<td><asp:textbox id="txt_Birthday" runat="server"></asp:textbox></td>
</tr>
<tr>
<td>电话：
</td>
<td><asp:textbox id="txt_Tel" runat="server"></asp:textbox></td>
</tr>
<tr align="center">
<td></td>
<td><asp:button id="txt_OK" runat="server" Text="确定"></asp:button> <asp:button id="txt_Cancel" runat="server" Text="取消"></asp:button>
</td>
<td></td>
</tr>
</table>
<br>
<table cellSpacing="0" cellPadding="0" align="center" border="0">
<tr>
<td>
<asp:datagrid id="DataGrid1" runat="server" HorizontalAlign="Center" AlternatingItemStyle-BackColor="#eeeeee"
HeaderStyle-BackColor="#aaaadd" Font-Size="10pt" Font-Name="Verdana" CellPadding="3" BorderWidth="1px"
BorderColor="Black" OnPageIndexChanged="MyDataGrid_Page" PagerStyle-HorizontalAlign="Right"
PagerStyle-Mode="NumericPages" AllowPaging="True" Font-Names="Verdana" AutoGenerateColumns="False">
<SelectedItemStyle Font-Bold="True" ForeColor="White" BackColor="#008A8C"></SelectedItemStyle>
<AlternatingItemStyle BackColor="Gainsboro"></AlternatingItemStyle>
<ItemStyle ForeColor="Black" BackColor="#EEEEEE"></ItemStyle>
<HeaderStyle Font-Bold="True" ForeColor="White" BackColor="#000084"></HeaderStyle>
<FooterStyle ForeColor="Black" BackColor="#CCCCCC"></FooterStyle>
<Columns>
<asp:TemplateColumn>
<HeaderTemplate>
<FONT face="宋体">ID</FONT>
</HeaderTemplate>
<ItemTemplate>
<asp:Label id="Label1" runat="server">
<%#DataBinder.Eval(Container,"DataItem.ID")%>
</asp:Label>
</ItemTemplate>
</asp:TemplateColumn>
<asp:TemplateColumn>
<HeaderTemplate>
<FONT face="宋体">姓名</FONT>
</HeaderTemplate>
<ItemTemplate>
<asp:Label id="Label2" runat="server">
<%#DataBinder.Eval(Container,"DataItem.Name")%>
</asp:Label>
</ItemTemplate>
<EditItemTemplate>
<asp:TextBox Runat=server ID="Textbox1" Text='<%#DataBinder.Eval(Container,"DataItem.Name")%>'>
</asp:TextBox>
</EditItemTemplate>
</asp:TemplateColumn>
<asp:TemplateColumn>
<HeaderTemplate>
<FONT face="宋体">性别</FONT>
</HeaderTemplate>
<ItemTemplate>
<asp:Label id="Label3" runat="server">
<%#DataBinder.Eval(Container,"DataItem.Sex")%>
</asp:Label>
</ItemTemplate>
<EditItemTemplate>
<asp:TextBox Runat=server ID="Textbox2" Text='<%#DataBinder.Eval(Container,"DataItem.Sex")%>'>
</asp:TextBox>
</EditItemTemplate>
</asp:TemplateColumn>
<asp:TemplateColumn>
<HeaderTemplate>
<FONT face="宋体">地址</FONT>
</HeaderTemplate>
<ItemTemplate>
<asp:Label id="Label4" runat="server">
<%#DataBinder.Eval(Container,"DataItem.Address")%>
</asp:Label>
</ItemTemplate>
<EditItemTemplate>
<asp:TextBox Runat=server ID="Textbox3" Text='<%#DataBinder.Eval(Container,"DataItem.Address")%>'>
</asp:TextBox>
</EditItemTemplate>
</asp:TemplateColumn>
<asp:TemplateColumn>
<HeaderTemplate>
<FONT face="宋体">生日</FONT>
</HeaderTemplate>
<ItemTemplate>
<asp:Label id="Label5" runat="server">
<%#DataBinder.Eval(Container,"DataItem.Birthday")%>
</asp:Label>
</ItemTemplate>
<EditItemTemplate>
<asp:TextBox Runat=server ID="Textbox4" Text='<%#DataBinder.Eval(Container,"DataItem.Birthday")%>'>
</asp:TextBox>
</EditItemTemplate>
</asp:TemplateColumn>
<asp:TemplateColumn>
<HeaderTemplate>
<FONT face="宋体">电话</FONT>
</HeaderTemplate>
<ItemTemplate>
<asp:Label id="Label6" runat="server">
<%#DataBinder.Eval(Container,"DataItem.Tel")%>
</asp:Label>
</ItemTemplate>
<EditItemTemplate>
<asp:TextBox Runat=server ID="Textbox5" Text='<%#DataBinder.Eval(Container,"DataItem.Tel")%>'>
</asp:TextBox>
</EditItemTemplate>
</asp:TemplateColumn>
<asp:EditCommandColumn ButtonType="LinkButton" UpdateText="更新" HeaderText="编辑" CancelText="取消" EditText="编辑"></asp:EditCommandColumn>
<asp:ButtonColumn Text="删除" HeaderText="删除" CommandName="Delete"></asp:ButtonColumn>
</Columns>
<PagerStyle NextPageText="下一页" PrevPageText="上一页" HorizontalAlign="Center" ForeColor="Black"
BackColor="#999999"></PagerStyle>
</asp:datagrid></td>
</tr>
<tr align="center">
<td>
<asp:label id="lblPageCount" runat="server"></asp:label>
<asp:label id="lblCurrentIndex" runat="server"></asp:label>
<asp:linkbutton id="btnFirst" onclick="PagerButtonClick" runat="server" CommandArgument="0">最首页</asp:linkbutton>
<asp:linkbutton id="btnPrev" onclick="PagerButtonClick" runat="server" CommandArgument="prev">前一页</asp:linkbutton>
<asp:linkbutton id="btnNext" onclick="PagerButtonClick" runat="server" CommandArgument="next">下一页</asp:linkbutton>
<asp:linkbutton id="btnLast" onclick="PagerButtonClick" runat="server" CommandArgument="last">最后页</asp:linkbutton></td>
</TD>
</tr>
</table>
</form>
</body>
</HTML>
WebForm.cs
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 StudyTest.SQLSERVER数据库增改删操作
{
/// <summary>
/// WebForm1 的摘要说明。
/// </summary>
public class WebForm1 : System.Web.UI.Page
{
protected System.Web.UI.WebControls.TextBox txt_Name;
protected System.Web.UI.WebControls.TextBox txt_Sex;
protected System.Web.UI.WebControls.TextBox txt_Address;
protected System.Web.UI.WebControls.TextBox txt_Birthday;
protected System.Web.UI.WebControls.TextBox txt_Tel;
protected System.Web.UI.WebControls.Button txt_OK;
protected System.Web.UI.WebControls.Button txt_Cancel;
protected System.Web.UI.WebControls.Label lblPageCount;
protected System.Web.UI.WebControls.Label lblCurrentIndex;
protected System.Web.UI.WebControls.LinkButton btnFirst;
protected System.Web.UI.WebControls.LinkButton btnPrev;
protected System.Web.UI.WebControls.LinkButton btnNext;
protected System.Web.UI.WebControls.LinkButton btnLast;
protected System.Web.UI.WebControls.DataGrid DataGrid1;
/*数据库连接字符串
* WebConfig.config里面的
* <appSettings>
* <add key="SqlConnStr" value="server=.;uid=sa;pwd=;database=Test" />
* </appSettings>
* */
static string strConn = System.Configuration.ConfigurationSettings.AppSettings["SqlConnStr"];
private SqlConnection conn ;
private SqlCommand cmmd ;
private static DataSet ds = new DataSet();
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)
{
ShowData();
}
}
#region 显示数据
private void ShowData()
{
string Sql = "select * from Users";
string SqlCount = "select count(*) from Users";
ds = new DataSet();
conn = new SqlConnection(strConn);
cmmd = new SqlCommand(SqlCount,conn);//获得行数
conn.Open();
cmmd = new SqlCommand(Sql,conn);//执行查询语句
SqlDataAdapter dad = new SqlDataAdapter(cmmd);
dad.Fill(ds);
this.DataGrid1.DataSource = ds.Tables[0].DefaultView;
this.DataGrid1.DataKeyField = "ID";
this.DataGrid1.DataBind();
conn.Close();
}
#endregion
#region 分页操作
/*************************************分页操作***************************************************/
public void PagerButtonClick(object sender, EventArgs e)
{
string arg = ((LinkButton)sender).CommandArgument.ToString();
switch(arg)
{
case "next":
if (DataGrid1.CurrentPageIndex < (DataGrid1.PageCount - 1))
{
DataGrid1.CurrentPageIndex += 1;
}
break;
case "prev":
if (DataGrid1.CurrentPageIndex > 0)
{
DataGrid1.CurrentPageIndex -= 1;
}
break;
case "last":
DataGrid1.CurrentPageIndex = (DataGrid1.PageCount - 1);
break;
default:
DataGrid1.CurrentPageIndex = System.Convert.ToInt32(arg);
break;
}
ShowData();
ShowStats();
}
private void ShowStats()
{
lblCurrentIndex.Text = "第 " + (DataGrid1.CurrentPageIndex + 1).ToString() + " 页";
lblPageCount.Text = "总共 " + DataGrid1.PageCount.ToString() + " 页";
}
public void MyDataGrid_Page(object sender, DataGridPageChangedEventArgs e)
{
int startIndex ;
startIndex = DataGrid1.CurrentPageIndex * DataGrid1.PageSize;
DataGrid1.CurrentPageIndex = e.NewPageIndex;
ShowData();
ShowStats();
}
#endregion
#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.txt_OK.Click += new System.EventHandler(this.txt_OK_Click);
this.DataGrid1.ItemCreated += new System.Web.UI.WebControls.DataGridItemEventHandler(this.DataGrid1_ItemCreated);
this.DataGrid1.CancelCommand += new System.Web.UI.WebControls.DataGridCommandEventHandler(this.DataGrid1_CancelCommand);
this.DataGrid1.EditCommand += new System.Web.UI.WebControls.DataGridCommandEventHandler(this.DataGrid1_EditCommand);
this.DataGrid1.UpdateCommand += new System.Web.UI.WebControls.DataGridCommandEventHandler(this.DataGrid1_UpdateCommand);
this.DataGrid1.DeleteCommand += new System.Web.UI.WebControls.DataGridCommandEventHandler(this.DataGrid1_DeleteCommand);
this.Load += new System.EventHandler(this.Page_Load);
}
#endregion
#region 添加按钮
private void txt_OK_Click(object sender, System.EventArgs e)
{
string str_name = this.txt_Name.Text.ToString().Trim();
string str_sex = this.txt_Sex.Text.ToString().Trim();
string str_address = this.txt_Address.Text.ToString().Trim();
string str_birthday = this.txt_Birthday.Text.ToString().Trim();
string str_tel = this.txt_Tel.Text.ToString().Trim();
SqlConnection conn = new SqlConnection(strConn);
string Sql = "insert into Users values('"+str_name+"','"+str_sex+"','"+str_address+"','"+str_birthday+"','"+str_tel+"')";
SqlCommand cmmd = new SqlCommand(Sql,conn);
conn.Open();
cmmd.ExecuteNonQuery();
conn.Close();
conn.Dispose();
ShowData();
}
#endregion
#region 取消
private void DataGrid1_CancelCommand(object source, System.Web.UI.WebControls.DataGridCommandEventArgs e)
{
this.DataGrid1.EditItemIndex = -1;
ShowData();
}
#endregion
#region 删除
private void DataGrid1_DeleteCommand(object source, System.Web.UI.WebControls.DataGridCommandEventArgs e)
{
int int_ID=0;
int_ID =Convert.ToInt32( this.DataGrid1.DataKeys[e.Item.ItemIndex] );//获得索引得id值
string Sql = "delete from Users where ID="+int_ID;
SqlConnection conn = new SqlConnection(strConn);
SqlCommand cmmd = new SqlCommand(Sql,conn);
conn.Open();
cmmd.ExecuteNonQuery();
conn.Close();
ShowData();
}
private void DataGrid1_ItemCreated(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
{
if(e.Item.ItemType==ListItemType.Item||e.Item.ItemType==ListItemType.AlternatingItem||e.Item.ItemType==ListItemType.EditItem)
{
TableCell myTableCell;
myTableCell = e.Item.Cells[7];
LinkButton btnDel = (LinkButton)myTableCell.Controls[0];
btnDel.Attributes.Add("onclick","return confirm('您确认要删除此条记录吗？');");
btnDel.Text = "删除";
}
}
#endregion
#region 编辑
private void DataGrid1_EditCommand(object source, System.Web.UI.WebControls.DataGridCommandEventArgs e)
{
this.DataGrid1.EditItemIndex = e.Item.ItemIndex;
ShowData();
}
#endregion
#region 更新
private void DataGrid1_UpdateCommand(object source, System.Web.UI.WebControls.DataGridCommandEventArgs e)
{
int int_ID=0;
int_ID =Convert.ToInt32( this.DataGrid1.DataKeys[e.Item.ItemIndex] );//获得索引得id值
TextBox txtName = (TextBox)e.Item.FindControl("Textbox1");
TextBox txtSex = (TextBox)e.Item.FindControl("Textbox2");
TextBox txtAddress = (TextBox)e.Item.FindControl("Textbox3");
TextBox txtBirthday = (TextBox)e.Item.FindControl("Textbox4");
TextBox txtTel = (TextBox)e.Item.FindControl("Textbox5");
string Sql = "update Users set Name='"+txtName.Text.ToString()+"',Sex='"+txtSex.Text.ToString()+"',Address='"+txtAddress.Text.ToString()+"',Birthday='"+txtBirthday.Text.ToString()+"',Tel='"+txtTel.Text.ToString()+"' where ID="+int_ID;
SqlConnection conn = new SqlConnection(strConn);
SqlCommand cmmd = new SqlCommand(Sql,conn);
conn.Open();
cmmd.ExecuteNonQuery();
conn.Close();
this.DataGrid1.EditItemIndex = -1;
ShowData();
}
#endregion
#region DataGrid自带的分页
private void DataGrid1_PageIndexChanged(object source, System.Web.UI.WebControls.DataGridPageChangedEventArgs e)
{
DataGrid1.CurrentPageIndex = e.NewPageIndex;
DataGrid1.DataSource = ds;
DataGrid1.DataBind();
}
#endregion
}
}
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