在Asp.net页面上的onbeforeunloadevent如何实现 [英] onbeforeunloadevent in Asp.net page how to implement
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问题描述
Hi I have asp.net page which has only Gridveiw I want to include a function for Onbbeforeunloadevent, So I need to include some tags in body title of my html page. I am pasting my code below plz help me how or where to place this piece of code
<body onload="initForm();" önbeforeunload="beforeUnloadForm();">
function beforeUnloadForm()
{
if (window.hasChangesPending)
{
window.event.returnValue = "Pending changes have not been saved.";
}
}
Below is my aps.net page
%@ Page Title="" Language="C#" MasterPageFile="~/Master/Menu.master" AutoEventWireup="true"
CodeFile="TestScriptComponentPages.aspx.cs" Inherits="TestScriptComponentPages" %>
<%@ MasterType VirtualPath="~/Master/Menu.master" %>
<asp:Content ID="Content1" ContentPlaceHolderID="head" runat="Server">
<script src="JQueryScripts/jquery.js" type="text/javascript"></script>
<script src="JQueryScripts/colResizable-1.3.min.js" type="text/javascript"></script>
<script src="JQueryScripts/jquery.cookie.js" type="text/javascript"></script>
<script type="text/javascript" language="javascript">
function beforeUnloadForm() {
if (window.hasChangesPending) {
window.event.returnValue = "Pending changes have not been saved.";
}
}
$(document).ready(function () {
if ($.cookie('colWidth') != null) {
var columns = $.cookie('colWidth').split(',');
var i = 0;
$('.GridViewStyle th').each(function () {
$(this).width(columns[i++]);
});
}
$(".GridViewStyle").colResizable({
liveDrag: true,
gripInnerHtml: "<div class='grip'></div>",
draggingClass: "dragging",
onResize: onSampleResized
});
});
var onSampleResized = function (e) {
var columns = $(e.currentTarget).find("th");
var msg = "";
columns.each(function () { msg += $(this).width() + ","; })
$.cookie("colWidth", msg);
};
</script>
</asp:Content>
<asp:Content ID="Content2" ContentPlaceHolderID="ContentPlaceHolder1" runat="Server">
<div style="overflow: scroll; height: 573px; width: 1030px">
<table>
<tr>
<td>
<asp:ImageButton ID="btnAdd" runat="server" ImageUrl="images/add.ico" CausesValidation="false"
OnClick="btnAdd_Click" />
</td>
<td>
</td>
<td>
</td>
</tr>
</table>
<asp:GridView ID="gvTestScriptComponent" runat="Server" CssClass="GridViewStyle" AutoGenerateColumns="False"
CellPadding="4" ForeColor="Black" DataKeyNames="ComponentID"
ShowFooter="true" Height="110px" Style="margin-right: 0px" Width="990px" BackColor="White"
OnRowDataBound="gvTestScriptComponent_RowDataBound" AutoGenerateEditButton="True"
OnRowEditing="gvTestScriptComponent_RowEditing" OnRowCancelingEdit="gvTestScriptComponent_RowCancelingEdit"
OnRowUpdating="gvTestScriptComponent_RowUpdating" OnRowDeleted="gvTestScriptComponent_RowDeleted"
BorderColor="#CCCCCC" BorderStyle="None" BorderWidth="1px"
OnRowCommand="gvTestScriptComponent_RowCommand">
<Columns>
<asp:TemplateField HeaderText="ComponentID" ItemStyle-HorizontalAlign="Center">
<ItemTemplate>
<asp:Label ID="lblComponentID" runat="server" Height="20px" Text='<%#Eval("ComponentID")%>'> </asp:Label>
</ItemTemplate>
<ItemStyle HorizontalAlign="Center"></ItemStyle>
</asp:TemplateField>
<asp:TemplateField HeaderText="Options" ItemStyle-HorizontalAlign="Center">
<ItemTemplate>
<asp:ImageButton ID="btnDelete" runat="server" ImageUrl="images/delete.ico" CausesValidation="false"
CommandName="DeleteRow" OnClick="btnDelete_Click" />
</ItemTemplate>
<FooterTemplate>
<asp:ImageButton ID="btnSave" runat="server" ImageUrl="images/save.ico" CausesValidation="false"
CommandName="SaveRow" OnClick="btnSave_Click" />
</FooterTemplate>
<ItemStyle HorizontalAlign="Center"></ItemStyle>
</asp:TemplateField>
<asp:TemplateField HeaderText="TestWindow/Frame Name" ItemStyle-HorizontalAlign="Center">
<ItemTemplate>
<asp:Label ID="lblTestWindow" runat="server" Height="20px" Text='<%#Eval("BrowserPage")%>'> </asp:Label>
</ItemTemplate>
<ItemStyle HorizontalAlign="Left"></ItemStyle>
<EditItemTemplate>
<asp:DropDownList ID="ddlTestWindow" runat="server" Visible="true" AutoPostBack="True"
OnSelectedIndexChanged="ddlTestWindow_SelectedIndexChanged">
</asp:DropDownList>
</EditItemTemplate>
<FooterTemplate>
<asp:DropDownList ID="ddlFooterTestWindow" runat="server" Visible="true" AutoPostBack="True"
OnSelectedIndexChanged="ddlFooterTestWindow_SelectedIndexChanged">
</asp:DropDownList>
</FooterTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Test Object" ItemStyle-HorizontalAlign="Center">
<ItemTemplate>
<asp:Label ID="lblTestObject" runat="server" Height="20px" Text='<%#Eval("ObjectName")%>'> </asp:Label>
</ItemTemplate>
<ItemStyle HorizontalAlign="Left"></ItemStyle>
<EditItemTemplate>
<asp:DropDownList ID="ddlTestObject" runat="server" Visible="true" AutoPostBack="True"
OnSelectedIndexChanged="ddlTestObject_SelectedIndexChanged" >
</asp:DropDownList>
</EditItemTemplate>
<FooterTemplate>
<asp:DropDownList ID="ddlFooterTestObject" runat="server" Visible="true" AutoPostBack="True"
OnSelectedIndexChanged="ddlFooterTestObject_SelectedIndexChanged">
</asp:DropDownList>
</FooterTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Test Operation" ItemStyle-HorizontalAlign="Center">
<ItemTemplate>
<asp:Label ID="lblTestOperation" runat="server" Height="20px" Text='<%#Eval("Action")%>'></asp:Label>
</ItemTemplate>
<ItemStyle HorizontalAlign="Left"></ItemStyle>
<EditItemTemplate>
<asp:DropDownList ID="ddlTestOperation" runat="server" Visible="true">
</asp:DropDownList>
</EditItemTemplate>
<FooterTemplate>
<asp:DropDownList ID="ddlFooterTestOperation" runat="server" Visible="true">
</asp:DropDownList>
</FooterTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Test Data" ItemStyle-HorizontalAlign="Center">
<ItemTemplate>
<asp:Label ID="lblTestData" runat="server" Height="20px" Text='<%#Eval("TestData")%>'></asp:Label>
</ItemTemplate>
<ItemStyle HorizontalAlign="Left"></ItemStyle>
<EditItemTemplate>
<asp:TextBox ID="txtTestData" runat="server" Text='<%# Bind("TestData") %>' Visible="true">
</asp:TextBox>
</EditItemTemplate>
<FooterTemplate>
<asp:TextBox ID="txtFooterTestData" runat="server" Visible="true"></asp:TextBox>
</FooterTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="ReUseableOutputData" ItemStyle-HorizontalAlign="Center">
<ItemTemplate>
<asp:Label ID="lblReUseableOutputData" runat="server" Height="20px" Text='<%#Eval("ReUsableOutputData")%>'></asp:Label>
</ItemTemplate>
<ItemStyle HorizontalAlign="Left"></ItemStyle>
<EditItemTemplate>
<asp:TextBox ID="txtReUseableOutputData" runat="server" Text='<%# Bind("ReUsableOutputData") %>'
Visible="true">
</asp:TextBox>
</EditItemTemplate>
<FooterTemplate>
<asp:TextBox ID="txtFooterReUseableOutputData" runat="server" Visible="true"></asp:TextBox>
</FooterTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Step Description" ItemStyle-HorizontalAlign="Center">
<ItemTemplate>
<asp:Label ID="lblStepDescription" runat="server" Height="20px" Text='<%#Eval("Steps")%>'></asp:Label>
</ItemTemplate>
<ItemStyle HorizontalAlign="Left"></ItemStyle>
<EditItemTemplate>
<asp:TextBox ID="txtStepDescription" runat="server" Text='<%# Bind("Steps") %>' Visible="true">
</asp:TextBox>
</EditItemTemplate>
<FooterTemplate>
<asp:TextBox ID="txtFooterStepDescription" runat="server" Visible="true"></asp:TextBox>
</FooterTemplate>
</asp:TemplateField>
</Columns>
<FooterStyle BackColor="#CCCC99" ForeColor="Black" />
<PagerStyle BackColor="White" ForeColor="Black" HorizontalAlign="Right" />
<SelectedRowStyle BackColor="#CC3333" Font-Bold="True" ForeColor="White" />
<HeaderStyle BackColor="#333333" Font-Bold="True" ForeColor="White" HorizontalAlign="Justify"
VerticalAlign="Middle" />
<SortedAscendingCellStyle BackColor="#F7F7F7" />
<SortedAscendingHeaderStyle BackColor="#4B4B4B" />
<SortedDescendingCellStyle BackColor="#E5E5E5" />
<SortedDescendingHeaderStyle BackColor="#242121" />
<EmptyDataTemplate>
<table>
<tr style="background-color: #999999;">
<th>
Option
</th>
<th>
Test Window
</th>
<th>
Test Object
</th>
<th>
Test Operation
</th>
<th>
Test Data
</th>
<th>
ReUseableOutputData
</th>
<th>
StepDescription
</th>
</tr>
<tr>
<td headers="Option">
<asp:ImageButton ID="btnSave" runat="server" ImageUrl="images/save.ico" CausesValidation="false"
CommandName="FirstSaveRow" OnClick="btnSave_Click" />
</td>
<td headers="Test Window">
<asp:DropDownList ID="ddlFooterTestWindow" runat="server" Visible="true" AutoPostBack="True"
OnSelectedIndexChanged="ddlFooterTestWindow_SelectedIndexChanged">
</asp:DropDownList>
</td>
<td headers="Test Object">
<asp:DropDownList ID="ddlFooterTestObject" runat="server" Visible="true" AutoPostBack="True"
OnSelectedIndexChanged="ddlFooterTestObject_SelectedIndexChanged">
</asp:DropDownList>
</td>
<td headers="Test Operation">
<asp:DropDownList ID="ddlFooterTestOperation" runat="server" Visible="true">
</asp:DropDownList>
</td>
<td headers="Test Data">
<asp:TextBox ID="txtFooterTestData" runat="server" Visible="true"></asp:TextBox>
</td>
<td headers="ReUseableOutputData">
<asp:TextBox ID="txtFooterReUseableOutputData" runat="server" Visible="true"></asp:TextBox>
</td>
<td headers="StepDescription">
<asp:TextBox ID="txtFooterStepDescription" runat="server" Visible="true"></asp:TextBox>
</td>
</tr>
</table>
</EmptyDataTemplate>
</asp:GridView>
<table>
<tr>
<td>
<asp:ImageButton ID="btnAdd1" runat="server" ImageUrl="images/add.ico" CausesValidation="false"
OnClick="btnAdd_Click" />
</td>
</tr>
</table>
</div>
</asp:Content>推荐答案
(document).ready(function () {
if (
(document).ready(function () { if (
.cookie('colWidth') != null) {
var columns =
.cookie('colWidth') != null) { var columns =
.cookie('colWidth').split(',');
var i = 0;
.cookie('colWidth').split(','); var i = 0;
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