去掉CheckBox中恼人的false/true

biggo 2003-07-04 12:09:15

动态数据绑定CheckBox后，除了显示选择的方框外，屁股后面老是跟着false和true

我不喜欢，只想要前面的选择框就行了，不要后面的false/true，但我找不道有关这方面的设置

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flers 2003-07-05

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<asp:checkbox id="sm" runat="server"></asp:checkbox>
加在模板列应不会的

goody9807 2003-07-04

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把CheckBox中的(text属性)文本删除

biggo 2003-07-04

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就是单独的使用CheckBox也老是显示false/true的
我想不管什么时候都不想要这些字符串

孟子E章 2003-07-04

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为DataGrid添加CheckBox控件

CheckBoxDataGrid.aspx

<%@ Page Language="vb" AutoEventWireup="false" Codebehind="CheckBoxDataGrid.aspx.vb"
Inherits="aspxWeb.CheckBoxDataGrid" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD>
<title>为DataGrid添加CheckBox控件的例子</title>
<meta name="GENERATOR" content="Microsoft Visual Studio.NET 7.0">
<meta name="CODE_LANGUAGE" content="Visual Basic 7.0">
<meta name="vs_defaultClientScript" content="JavaScript">
<meta name="vs_targetSchema" content="http://schemas.microsoft.com/intellisense/ie5">
</HEAD>
<body MS_POSITIONING="GridLayout">
<form id="frmMain" method="post" runat="server">
<asp:DataGrid id="dgMain" runat="server" Width="98%" AutoGenerateColumns="False">
<SelectedItemStyle Font-Size="9pt" Font-Names="宋体"></SelectedItemStyle>
<EditItemStyle Font-Size="9pt" Font-Names="宋体" Font-Bold="True" ForeColor="Red" BackColor="Info"/>
<AlternatingItemStyle Font-Size="9pt" Font-Names="宋体" ForeColor="ControlText" BackColor="White"/>
<ItemStyle Font-Size="9pt" Font-Names="宋体" ForeColor="ControlText" BackColor="WhiteSmoke"/>
<HeaderStyle Font-Bold="True" HorizontalAlign="Center" ForeColor="Black"
VerticalAlign="Middle" BackColor="Control">
</HeaderStyle>
<Columns>
<asp:TemplateColumn HeaderText="操作">
<HeaderStyle HorizontalAlign="Center" Width="50px"></HeaderStyle>
<ItemTemplate>
<asp:CheckBox ID="chkExport" Runat="server" />
</ItemTemplate>
<EditItemTemplate>
<asp:CheckBox ID="chkExportON" Runat="server" Enabled="true" />
</EditItemTemplate>
</asp:TemplateColumn>
<asp:BoundColumn DataField="id" ReadOnly="True" HeaderText="序号">
<HeaderStyle Width="50px"></HeaderStyle>
</asp:BoundColumn>
<asp:TemplateColumn SortExpression="demo" HeaderText="标题">
<ItemTemplate>
<asp:Label Text='<%# Server.HTMLEncode(DataBinder.Eval(Container.DataItem, "Title"))%>'
runat="server"Width="80%" ID="lblColumn"/>
</ItemTemplate>
</asp:TemplateColumn>
</Columns>
</asp:DataGrid>
<asp:Button id="cmdSelectAll" runat="server" Text="全部选中"></asp:Button>
<asp:Button id="cmdFindSelected" runat="server" Text="查看选中的项目"></asp:Button>
<br>
<asp:Label id="Label1" runat="server"></asp:Label>
</form>
</body>
</HTML>

后代码 CheckBoxDataGrid.aspx.vb

Imports System.Data
Imports System.Data.OleDb

Public Class CheckBoxDataGrid
Inherits System.Web.UI.Page
Protected WithEvents cmdSelectAll As System.Web.UI.WebControls.Button
Protected WithEvents dgMain As System.Web.UI.WebControls.DataGrid
Protected WithEvents cmdFindSelected As System.Web.UI.WebControls.Button

Dim oDataView As DataView
Protected WithEvents Label1 As System.Web.UI.WebControls.Label
Dim sConnectionString As String = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source="_
+ Server.MapPath("Test.mdb")

#Region " Web Form Designer Generated Code "

'This call is required by the Web Form Designer.
<System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()

End Sub

Private Sub Page_Init(ByVal sender As System.Object, ByVal e As System.EventArgs)_
Handles MyBase.Init
'CODEGEN: This method call is required by the Web Form Designer
'Do not modify it using the code editor.
InitializeComponent()
End Sub

#End Region

Private Sub Page_Load(ByVal sender As System.Object, ByVal e As System.EventArgs)_
Handles MyBase.Load
'Put user code to initialize the page here
dgMain.Columns(0).HeaderText = "选项"
dgMain.Columns(1).HeaderText = "序号"
dgMain.Columns(2).HeaderText = "标题"
cmdFindSelected.Text = "查看选中的项目"
RefreshGrid()
If Not Page.IsPostBack Then
cmdSelectAll.Text = "全部选中"
dgMain.DataBind()
End If

End Sub

#Region "处理多选"
Private Sub cmdSelectAll_Click(ByVal sender As System.Object, ByVal e As System.EventArgs)_
Handles cmdSelectAll.Click
selectAll()
End Sub

Private Sub selectAll()
Dim oDataGridItem As DataGridItem
Dim chkExport As System.Web.UI.WebControls.CheckBox

If cmdSelectAll.Text = "全部选中" Then
For Each oDataGridItem In dgMain.Items
chkExport = oDataGridItem.FindControl("chkExport")
chkExport.Checked = True
Next
cmdSelectAll.Text = "全部不选"
Else
For Each oDataGridItem In dgMain.Items
chkExport = oDataGridItem.FindControl("chkExport")
chkExport.Checked = False
Next
cmdSelectAll.Text = "全部选中"
End If
End Sub
#End Region

#Region "更新DataGrid"

Private Sub RefreshGrid()
Dim oConnection As OleDbConnection
Dim oCommand As OleDbDataAdapter
Dim oDataSet As New DataSet()

Try
Dim sSQL As String = "Select top 5 * from TestTable order by id"
oConnection = New OleDbConnection(sConnectionString)
oCommand = New OleDbDataAdapter(sSQL.ToString, oConnection)
oCommand.Fill(oDataSet, "TestTable")
oDataView = New DataView(oDataSet.Tables("TestTable"))
dgMain.DataSource = oDataView
oConnection.Close()

Catch ex As Exception
'// Place Error Handling here
End Try
End Sub
#End Region

Private Sub cmdFindSelected_Click(ByVal sender As System.Object, ByVal e As System.EventArgs)_
Handles cmdFindSelected.Click
Dim oDataGridItem As DataGridItem
Dim chkExport As System.Web.UI.WebControls.CheckBox
Dim oExArgs As New System.Collections.ArrayList()
Dim sID As String
Label1.Text = ""
For Each oDataGridItem In dgMain.Items
chkExport = oDataGridItem.FindControl("chkExport")
If chkExport.Checked Then
Label1.Text = ""
sID = CType(oDataGridItem.FindControl("lblColumn"), Label).Text
oExArgs.Add(sID)
Dim i As Integer = 0
For i = 0 To oExArgs.Count - 1
Label1.Text += oExArgs(i) + ","
Next
End If
Next
End Sub

End Class

cchinasp 2003-07-04