GridView控件编辑、更新、删除示例(更新包含有DropDownList控件使用)
2011-11-24 21:32
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GridView控件编辑、更新、删除示例(更新包含有DropDownList控件使用)(图)
GridView控件修改、删除例子，修改时含有DropDownList控件。
示例运行效果图：
GridViewUp.aspx文件代码：
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="GridViewUp.aspx.cs" Inherits="gridview_GridViewUp" %>
<!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">
<div>
<table cellpadding="0" cellspacing="0" border="0" width="80%" style="font-size: 11px">
<tr>
<td align="center">
<asp:GridView ID="GridView1" runat="server" Width="100%" CellPadding="4" ForeColor="#333333"
AutoGenerateColumns="False" AllowPaging="True" PageSize="12" OnRowCancelingEdit="GridView1_RowCancelingEdit"
OnRowEditing="GridView1_RowEditing" OnRowUpdating="GridView1_RowUpdating" OnRowDeleting="GridView1_RowDeleting"
DataKeyNames="id,name" OnPageIndexChanging="GridView1_PageIndexChanging" DataMember="card,price" OnRowDataBound="GridView1_RowDataBound" GridLines="None">
<Columns>
<asp:BoundField HeaderText="身份证号" DataField="card" Visible=false />
<asp:BoundField HeaderText="编号" DataField="id" ReadOnly="True" />
<asp:BoundField DataField="name" HeaderText="姓名" ReadOnly="True" />
<asp:TemplateField HeaderText="身份证号">
<ItemTemplate>
<%# Eval("card") %>
</ItemTemplate>
<EditItemTemplate>
<asp:TextBox ID="TBCard" Text='<%# Eval("card") %>' runat="server" Width="140px" />
</EditItemTemplate>
<ItemStyle Width="150px" />
</asp:TemplateField>
<asp:TemplateField HeaderText="学历">
<ItemTemplate>
<%# Eval("description")%>
</ItemTemplate>
<EditItemTemplate>
<asp:HiddenField ID="HDFXueli" runat="server" Value='<%# Eval("xueli") %>' />
<asp:DropDownList ID="DDLXueli" runat="server" Width="90px" />
</EditItemTemplate>
<ItemStyle Width="100px" />
</asp:TemplateField>
<asp:TemplateField HeaderText="价格">
<ItemTemplate>
<%# Eval("price") %>
</ItemTemplate>
<EditItemTemplate>
<asp:TextBox ID="TBPrice" Text='<%# Eval("price") %>' runat="server" Width="90px" />
</EditItemTemplate>
<ItemStyle Width="100px" />
</asp:TemplateField>
<asp:BoundField HeaderText="建立时间" DataField="createdate" ReadOnly="True" />
<asp:CommandField ShowDeleteButton="True" ShowEditButton="True" HeaderText="操作" />
</Columns>
<PagerSettings FirstPageText="" LastPageText="" NextPageText="" PreviousPageText="" />
<RowStyle Height="20px" BackColor="#F7F6F3" ForeColor="#333333" />
<FooterStyle BackColor="#5D7B9D" Font-Bold="True" ForeColor="White" />
<EditRowStyle BackColor="#999999" />
<SelectedRowStyle BackColor="#E2DED6" Font-Bold="True" ForeColor="#333333" />
<PagerStyle BackColor="#284775" ForeColor="White" HorizontalAlign="Center" />
<HeaderStyle BackColor="#5D7B9D" Font-Bold="True" ForeColor="White" />
<AlternatingRowStyle BackColor="White" ForeColor="#284775" />
</asp:GridView>
</td>
</tr>
</table>
</div>
</form>
</body>
</html>
GridViewUp.aspx.cs文件代码：
using System;
using System.Data;
using System.Configuration;
using System.Collections;
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 gridview_GridViewUp : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
GridViewBind();
}
}
protected void GridView1_PageIndexChanging(object sender, GridViewPageEventArgs e)
{
GridView1.PageIndex = e.NewPageIndex;
GridViewBind();
}
private void GridViewBind()
{
string connStr = ConfigurationManager.ConnectionStrings["ConnString"].ConnectionString;
string SqlStr = "SELECT a.*,b.description FROM test01 a,xueli b where a.xueli=b.code and a.id<1000 and a.id>200";
DataSet ds = new DataSet();
try
{
SqlConnection conn = new SqlConnection(connStr);
if (conn.State.ToString() == "Closed") conn.Open();
SqlDataAdapter da = new SqlDataAdapter(SqlStr, conn);
da.Fill(ds, "test01");
if (conn.State.ToString() == "Open") conn.Close();
GridView1.DataSource = ds.Tables[0].DefaultView;
GridView1.DataBind();
}
catch (Exception ex)
{
Response.Write("数据库错误，错误原因：" + ex.Message);
Response.End();
}
}
protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)
{
if (((DropDownList)e.Row.FindControl("DDLXueli")) != null)
{
DropDownList ddlxueli = (DropDownList)e.Row.FindControl("DDLXueli");
// 生成 DropDownList 的值，绑定数据
string connStr = ConfigurationManager.ConnectionStrings["ConnString"].ConnectionString;
string SqlStr = "SELECT * from xueli";
DataSet ds = new DataSet();
SqlConnection conn = new SqlConnection(connStr);
if (conn.State.ToString() == "Closed") conn.Open();
SqlDataAdapter da = new SqlDataAdapter(SqlStr, conn);
da.Fill(ds, "xueli");
if (conn.State.ToString() == "Open") conn.Close();
ddlxueli.DataSource = ds.Tables[0].DefaultView;
ddlxueli.DataTextField = "description";
ddlxueli.DataValueField = "code";
ddlxueli.DataBind();
//
// 选中 DropDownList
ddlxueli.SelectedValue = ((HiddenField)e.Row.FindControl("HDFXueli")).Value;
//
}
}
protected void GridView1_RowEditing(object sender, GridViewEditEventArgs e)
{
GridView1.EditIndex = e.NewEditIndex;
GridViewBind();
}
protected void GridView1_RowCancelingEdit(object sender, GridViewCancelEditEventArgs e)
{
GridView1.EditIndex = -1;
GridViewBind();
}
protected void GridView1_RowUpdating(object sender, GridViewUpdateEventArgs e)
{
string id = GridView1.DataKeys[e.RowIndex].Values[0].ToString();
string card = ((TextBox)GridView1.Rows[e.RowIndex].FindControl("TBCard")).Text;
string xueli = ((DropDownList)GridView1.Rows[e.RowIndex].FindControl("DDLXueli")).SelectedValue;
string price = ((TextBox)GridView1.Rows[e.RowIndex].FindControl("TBPrice")).Text;
string connStr = ConfigurationManager.ConnectionStrings["ConnString"].ConnectionString;
string SqlStr = "update test01 set card='" + card + "',xueli='" + xueli + "',price='" + price + "' where id=" + id;
try
{
SqlConnection conn = new SqlConnection(connStr);
if (conn.State.ToString() == "Closed") conn.Open();
SqlCommand comm = new SqlCommand(SqlStr, conn);
comm.ExecuteNonQuery();
comm.Dispose();
if (conn.State.ToString() == "Open") conn.Close();
GridView1.EditIndex = -1;
GridViewBind();
}
catch (Exception ex)
{
Response.Write("数据库错误，错误原因：" + ex.Message);
Response.End();
}
}
protected void GridView1_RowDeleting(object sender, GridViewDeleteEventArgs e)
{
string id = GridView1.DataKeys[e.RowIndex].Values[0].ToString();
string connStr = ConfigurationManager.ConnectionStrings["ConnString"].ConnectionString;
string SqlStr = "delete from test01 where id=" + id;
try
{
SqlConnection conn = new SqlConnection(connStr);
if (conn.State.ToString() == "Closed") conn.Open();
SqlCommand comm = new SqlCommand(SqlStr, conn);
comm.ExecuteNonQuery();
comm.Dispose();
if (conn.State.ToString() == "Open") conn.Close();
GridView1.EditIndex = -1;
GridViewBind();
}
catch (Exception ex)
{
Response.Write("数据库错误，错误原因：" + ex.Message);
Response.End();
}
}
}
sql server2000生成表代码：
CREATE TABLE [dbo].[test01] (
[id] [decimal](18, 0) IDENTITY (1, 1) NOT NULL ,
[name] [varchar] (50) COLLATE Chinese_PRC_CI_AS NULL ,
[card] [varchar] (50) COLLATE Chinese_PRC_CI_AS NULL ,
[xueli] [varchar] (50) COLLATE Chinese_PRC_CI_AS NULL ,
[price] [decimal](18, 0) NULL ,
[createdate] [datetime] NULL
) ON [PRIMARY]
GO
ALTER TABLE [dbo].[test01] ADD
CONSTRAINT [DF_test01_createdate] DEFAULT (getdate()) FOR [createdate],
CONSTRAINT [PK_test01] PRIMARY KEY CLUSTERED
(
[id]
) ON [PRIMARY]
GO
CREATE TABLE [dbo].[xueli](
[id] [int] IDENTITY(1,1) NOT NULL,
[code] [int] NULL,
[description] [nvarchar](50) COLLATE Chinese_PRC_CI_AS NULL,
CONSTRAINT [PK_xueli] PRIMARY KEY CLUSTERED
(
[id] ASC
)WITH (IGNORE_DUP_KEY = OFF) ON [PRIMARY]
) ON [PRIMARY]
xueli表中的数据：
id code description
1 1 博士
2 2 硕士
3 3 学士
GridView控件修改、删除例子，修改时含有DropDownList控件。
示例运行效果图：
GridViewUp.aspx文件代码：
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="GridViewUp.aspx.cs" Inherits="gridview_GridViewUp" %>
<!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">
<div>
<table cellpadding="0" cellspacing="0" border="0" width="80%" style="font-size: 11px">
<tr>
<td align="center">
<asp:GridView ID="GridView1" runat="server" Width="100%" CellPadding="4" ForeColor="#333333"
AutoGenerateColumns="False" AllowPaging="True" PageSize="12" OnRowCancelingEdit="GridView1_RowCancelingEdit"
OnRowEditing="GridView1_RowEditing" OnRowUpdating="GridView1_RowUpdating" OnRowDeleting="GridView1_RowDeleting"
DataKeyNames="id,name" OnPageIndexChanging="GridView1_PageIndexChanging" DataMember="card,price" OnRowDataBound="GridView1_RowDataBound" GridLines="None">
<Columns>
<asp:BoundField HeaderText="身份证号" DataField="card" Visible=false />
<asp:BoundField HeaderText="编号" DataField="id" ReadOnly="True" />
<asp:BoundField DataField="name" HeaderText="姓名" ReadOnly="True" />
<asp:TemplateField HeaderText="身份证号">
<ItemTemplate>
<%# Eval("card") %>
</ItemTemplate>
<EditItemTemplate>
<asp:TextBox ID="TBCard" Text='<%# Eval("card") %>' runat="server" Width="140px" />
</EditItemTemplate>
<ItemStyle Width="150px" />
</asp:TemplateField>
<asp:TemplateField HeaderText="学历">
<ItemTemplate>
<%# Eval("description")%>
</ItemTemplate>
<EditItemTemplate>
<asp:HiddenField ID="HDFXueli" runat="server" Value='<%# Eval("xueli") %>' />
<asp:DropDownList ID="DDLXueli" runat="server" Width="90px" />
</EditItemTemplate>
<ItemStyle Width="100px" />
</asp:TemplateField>
<asp:TemplateField HeaderText="价格">
<ItemTemplate>
<%# Eval("price") %>
</ItemTemplate>
<EditItemTemplate>
<asp:TextBox ID="TBPrice" Text='<%# Eval("price") %>' runat="server" Width="90px" />
</EditItemTemplate>
<ItemStyle Width="100px" />
</asp:TemplateField>
<asp:BoundField HeaderText="建立时间" DataField="createdate" ReadOnly="True" />
<asp:CommandField ShowDeleteButton="True" ShowEditButton="True" HeaderText="操作" />
</Columns>
<PagerSettings FirstPageText="" LastPageText="" NextPageText="" PreviousPageText="" />
<RowStyle Height="20px" BackColor="#F7F6F3" ForeColor="#333333" />
<FooterStyle BackColor="#5D7B9D" Font-Bold="True" ForeColor="White" />
<EditRowStyle BackColor="#999999" />
<SelectedRowStyle BackColor="#E2DED6" Font-Bold="True" ForeColor="#333333" />
<PagerStyle BackColor="#284775" ForeColor="White" HorizontalAlign="Center" />
<HeaderStyle BackColor="#5D7B9D" Font-Bold="True" ForeColor="White" />
<AlternatingRowStyle BackColor="White" ForeColor="#284775" />
</asp:GridView>
</td>
</tr>
</table>
</div>
</form>
</body>
</html>
GridViewUp.aspx.cs文件代码：
using System;
using System.Data;
using System.Configuration;
using System.Collections;
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 gridview_GridViewUp : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
GridViewBind();
}
}
protected void GridView1_PageIndexChanging(object sender, GridViewPageEventArgs e)
{
GridView1.PageIndex = e.NewPageIndex;
GridViewBind();
}
private void GridViewBind()
{
string connStr = ConfigurationManager.ConnectionStrings["ConnString"].ConnectionString;
string SqlStr = "SELECT a.*,b.description FROM test01 a,xueli b where a.xueli=b.code and a.id<1000 and a.id>200";
DataSet ds = new DataSet();
try
{
SqlConnection conn = new SqlConnection(connStr);
if (conn.State.ToString() == "Closed") conn.Open();
SqlDataAdapter da = new SqlDataAdapter(SqlStr, conn);
da.Fill(ds, "test01");
if (conn.State.ToString() == "Open") conn.Close();
GridView1.DataSource = ds.Tables[0].DefaultView;
GridView1.DataBind();
}
catch (Exception ex)
{
Response.Write("数据库错误，错误原因：" + ex.Message);
Response.End();
}
}
protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)
{
if (((DropDownList)e.Row.FindControl("DDLXueli")) != null)
{
DropDownList ddlxueli = (DropDownList)e.Row.FindControl("DDLXueli");
// 生成 DropDownList 的值，绑定数据
string connStr = ConfigurationManager.ConnectionStrings["ConnString"].ConnectionString;
string SqlStr = "SELECT * from xueli";
DataSet ds = new DataSet();
SqlConnection conn = new SqlConnection(connStr);
if (conn.State.ToString() == "Closed") conn.Open();
SqlDataAdapter da = new SqlDataAdapter(SqlStr, conn);
da.Fill(ds, "xueli");
if (conn.State.ToString() == "Open") conn.Close();
ddlxueli.DataSource = ds.Tables[0].DefaultView;
ddlxueli.DataTextField = "description";
ddlxueli.DataValueField = "code";
ddlxueli.DataBind();
//
// 选中 DropDownList
ddlxueli.SelectedValue = ((HiddenField)e.Row.FindControl("HDFXueli")).Value;
//
}
}
protected void GridView1_RowEditing(object sender, GridViewEditEventArgs e)
{
GridView1.EditIndex = e.NewEditIndex;
GridViewBind();
}
protected void GridView1_RowCancelingEdit(object sender, GridViewCancelEditEventArgs e)
{
GridView1.EditIndex = -1;
GridViewBind();
}
protected void GridView1_RowUpdating(object sender, GridViewUpdateEventArgs e)
{
string id = GridView1.DataKeys[e.RowIndex].Values[0].ToString();
string card = ((TextBox)GridView1.Rows[e.RowIndex].FindControl("TBCard")).Text;
string xueli = ((DropDownList)GridView1.Rows[e.RowIndex].FindControl("DDLXueli")).SelectedValue;
string price = ((TextBox)GridView1.Rows[e.RowIndex].FindControl("TBPrice")).Text;
string connStr = ConfigurationManager.ConnectionStrings["ConnString"].ConnectionString;
string SqlStr = "update test01 set card='" + card + "',xueli='" + xueli + "',price='" + price + "' where id=" + id;
try
{
SqlConnection conn = new SqlConnection(connStr);
if (conn.State.ToString() == "Closed") conn.Open();
SqlCommand comm = new SqlCommand(SqlStr, conn);
comm.ExecuteNonQuery();
comm.Dispose();
if (conn.State.ToString() == "Open") conn.Close();
GridView1.EditIndex = -1;
GridViewBind();
}
catch (Exception ex)
{
Response.Write("数据库错误，错误原因：" + ex.Message);
Response.End();
}
}
protected void GridView1_RowDeleting(object sender, GridViewDeleteEventArgs e)
{
string id = GridView1.DataKeys[e.RowIndex].Values[0].ToString();
string connStr = ConfigurationManager.ConnectionStrings["ConnString"].ConnectionString;
string SqlStr = "delete from test01 where id=" + id;
try
{
SqlConnection conn = new SqlConnection(connStr);
if (conn.State.ToString() == "Closed") conn.Open();
SqlCommand comm = new SqlCommand(SqlStr, conn);
comm.ExecuteNonQuery();
comm.Dispose();
if (conn.State.ToString() == "Open") conn.Close();
GridView1.EditIndex = -1;
GridViewBind();
}
catch (Exception ex)
{
Response.Write("数据库错误，错误原因：" + ex.Message);
Response.End();
}
}
}
sql server2000生成表代码：
CREATE TABLE [dbo].[test01] (
[id] [decimal](18, 0) IDENTITY (1, 1) NOT NULL ,
[name] [varchar] (50) COLLATE Chinese_PRC_CI_AS NULL ,
[card] [varchar] (50) COLLATE Chinese_PRC_CI_AS NULL ,
[xueli] [varchar] (50) COLLATE Chinese_PRC_CI_AS NULL ,
[price] [decimal](18, 0) NULL ,
[createdate] [datetime] NULL
) ON [PRIMARY]
GO
ALTER TABLE [dbo].[test01] ADD
CONSTRAINT [DF_test01_createdate] DEFAULT (getdate()) FOR [createdate],
CONSTRAINT [PK_test01] PRIMARY KEY CLUSTERED
(
[id]
) ON [PRIMARY]
GO
CREATE TABLE [dbo].[xueli](
[id] [int] IDENTITY(1,1) NOT NULL,
[code] [int] NULL,
[description] [nvarchar](50) COLLATE Chinese_PRC_CI_AS NULL,
CONSTRAINT [PK_xueli] PRIMARY KEY CLUSTERED
(
[id] ASC
)WITH (IGNORE_DUP_KEY = OFF) ON [PRIMARY]
) ON [PRIMARY]
xueli表中的数据：
id code description
1 1 博士
2 2 硕士
3 3 学士
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