我有几个需要字段验证的文本框。在同一页面中，有一个后退按钮和下一个按钮。当我单击后退按钮时，验证正在工作，当我单击下一个按钮时，验证不起作用（意味着表单正在移动到下一页）
请帮我纠正
<%@ Page Language="vb" AutoEventWireup="false" CodeBehind="RequestorForm.aspx.vb"
Inherits="WebApplication1.RequestorForm" %>
<!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 id="Head1" runat="server">
<title>Requestor Form</title>
<link rel="stylesheet" type="text/css" href="homepage2005.css">
<script language="javascript" type="text/javascript">
//Call Server Event on User id onblur()
function CallClientEvent() {
__doPostBack("txt_view1_userID_TextChanged", "");
}
function CheckValidation() {
Page_ClientValidate();
if (Page_IsValid) {
if (CheckRoleValidation()) {
if ('<%=strRoleType%>' == 'chkBx_Store_wu') {
return CheckTeamViewerDep();
}
}
else {
return false;
}
}
}
function CheckTeamViewerDep() {
var ctl = document.getElementById('chkbx_teamLeadStockRoom');
if (ctl.disabled) {
return true;
}
var tDiv = document.getElementById('chkDepGroup');
var chkitm = tDiv.getElementsByTagName("input");
for (var i = 0; i < chkitm.length; i++) {
if (chkitm[i].checked) {
return true;
}
}
var ctlvalidate = document.getElementById('span_chkDepGroup');
ctlvalidate.innerHTML = 'Please select Dep';
return false;
}
function CheckRoleValidation() {
//var cblItm = '<%=gvRoleDep%>';
var tDiv = document.getElementById('gvRoleDep');
var chkitm = tDiv.getElementsByTagName("input");
var flag = false;
var chkItemCount = 0;
for (var i = 0; i < chkitm.length; i++) {
if (chkitm[i].checked) {
chkItemCount++;
flag = true;
}
}
var ctlvalidate = document.getElementById('lbl_chkBx_store_wu');
if (!flag) {
ctlvalidate.innerHTML = 'Please select Role(s)';
return false;
}
if (chkItemCount > 5) {
ctlvalidate.innerHTML = 'Maximum of 5 Role(s) only can be checked';
return false;
}
}
function ValidateDropDown() {
Page_ClientValidate();
flag = 1;
objTOR = document.getElementById('ddl_view0_typeOfRequest');
objWUL = document.getElementById('ddl_view0_wuLevel');
if (Page_IsValid) {
//alert(objTOR.selectedIndex);
TOR = document.getElementById('span_ddl_view0_typeOfRequest');
WUL = document.getElementById('span_ddl_view0_wuLevel');
if (objTOR.selectedIndex == 0) {
//alert('Select a value:');
TOR.innerHTML = "*Please select a Type of Request";
flag = 0;
}
else
TOR.innerHTML = " ";
// if (objWUL.selectedIndex == 0) {
// WUL.innerHTML = "*Please select a W A";
// flag = 0;
// }
// else
// WUL.innerHTML = " ";
if (flag == 0)
return false;
return true;
}
}
</script>
</head>
<body>
<form id="form1" runat="server">
<div style="margin-left: 10px">
<asp:MultiView runat="server" ID="mvRequestorForm" ActiveViewIndex="0">
<asp:View runat="server" ID="view_0">
<h1 class="blue">
<asp:Label ID="lbl_viewTitle0" runat="server" Text="Label"></asp:Label>
</h1>
<table border="0" cellpadding="0" cellspacing="0" width="100%">
<tr>
<td class="tabRow" width="150">
<asp:Label ID="lbl_view0_firstName" runat="server" Text="Firstname "></asp:Label>
</td>
<td width="200">
<asp:TextBox ID="txt_firstName" runat="server" AutoCompleteType="FirstName"
CssClass="text_box_3" TabIndex="1"></asp:TextBox>
<asp:Label ID="Label5" runat="server" ForeColor="Red" Text="*"></asp:Label>
</td>
<td>
<asp:RequiredFieldValidator ID="Validator_FirstName" runat="server"
ControlToValidate="txt_firstName" ErrorMessage="* Required field"
ValidationGroup="Form1"></asp:RequiredFieldValidator>
</td>
</tr>
<tr>
<td class="tabRow">
<asp:Label ID="lbl_view0_surname" runat="server" Text="Surname"></asp:Label>
</td>
<td>
<asp:TextBox ID="txtSurName" runat="server" AutoCompleteType="LastName"
CssClass="text_box_3" TabIndex="3"></asp:TextBox>
<asp:Label ID="Label6" runat="server" ForeColor="Red" Text="*"></asp:Label>
</td>
<td>
<asp:RequiredFieldValidator ID="Validator_Surname" runat="server"
ControlToValidate="txtSurName" ErrorMessage="* Required field"
ValidationGroup="Form1"></asp:RequiredFieldValidator>
</td>
</tr>
<tr>
<td class="tabRow">
<asp:Label ID="lbl_view0_ContactNum" runat="server" Text="Contact number"></asp:Label>
</td>
<td>
<asp:TextBox ID="txt_contactNum" runat="server"
AutoCompleteType="BusinessPhone" CssClass="text_box_3" TabIndex="3"></asp:TextBox>
<asp:Label ID="Label7" runat="server" ForeColor="Red" Text="*"></asp:Label>
</td>
<td>
<asp:RequiredFieldValidator ID="Validator_ContactNumber" runat="server"
ControlToValidate="txt_contactNum" ErrorMessage="* Required field"
ValidationGroup="Form1"></asp:RequiredFieldValidator>
<asp:RangeValidator ID="RangeValidator1" runat="server"
ControlToValidate="txt_contactNum" ErrorMessage="Enter a numeric value"
MaximumValue="99999999999999" MinimumValue="0"></asp:RangeValidator>
</td>
</tr>
</table>
<hr class="blue" />
<table border="0" cellpadding="0" cellspacing="0" width="100%">
<tr>
<td class="tabRow" width="150">
<asp:Label ID="lbl_view0_typeOfRequest" runat="server" Text="Type of request"></asp:Label>
</td>
<td width="500">
<asp:DropDownList ID="ddl_view0_typeOfRequest" runat="server"
CssClass="drop_down_t" TabIndex="4">
<asp:ListItem Value="-1">Please select...</asp:ListItem>
<asp:ListItem>New</asp:ListItem>
<asp:ListItem>Update</asp:ListItem>
<asp:ListItem>Delete</asp:ListItem>
</asp:DropDownList>
<span ID="span_ddl_view0_typeOfRequest" class="errorText"></span>
</td>
<td>
</td>
</tr>
<tr>
<td class="tabRow">
<asp:Label ID="lbl_view0_wuLevel" runat="server" Text="W A"></asp:Label>
</td>
<td>
<asp:DropDownList ID="ddl_view0_wuLevel" runat="server"
CssClass="drop_down_t" TabIndex="5">
<asp:ListItem Selected="True" Value="3">Store</asp:ListItem>
</asp:DropDownList>
<span ID="span_ddl_view0_wuLevel" class="errorText">
</span>
</td>
<td>
</td>
</tr>
<tr> <td> </td> <td></td><td> </td></tr>
</table>
<asp:Label ID="lblCaption1" runat="server"
Text="* Represents fields that needs to be filled mandatory"
Font-Size="XX-Small" ForeColor="#FF3300"></asp:Label>
<br />
<hr />
<asp:Button ID="btn_View0_Next" runat="server"
OnClientClick="return ValidateDropDown();" Text="Next"
ValidationGroup="Form1" />
<br />
</asp:View>
<asp:View runat="server" ID="view_1">
<asp:ScriptManager ID="scrMgr" runat="server">
</asp:ScriptManager>
<table>
<tr>
<td><asp:Label ID="lblException" CssClass="errorText" runat="server"></asp:Label></td>
</tr>
</table>
<h1 class="blue">
<asp:Label ID="lbl_viewTitle1" runat="server" Text="Label"></asp:Label>
</h1>
<table border="0">
<tr>
<td>
<table border="1" style="border-color:Green; border-width:thin;" width="100%">
<tr>
<td valign="top">
<table border="0" cellpadding="0" cellspacing="0" width="100%">
<tr id="trUserDetail" runat="server">
<td class="tabRow">
<asp:Label ID="lbl_view1_userID" runat="server"
Text="User ID "></asp:Label>
</td>
<td>
<asp:TextBox ID="txt_view1_userID" runat="server" Text="" onblur="CallClientEvent()" AutoPostBack="true" >
</asp:TextBox>
<asp:Label ID="Label1" runat="server" ForeColor="Red" Text="*"></asp:Label>
<div class="smallText" nowrap> (This would be the ID you would normally log on with.)</div>
</td>
<td>
<asp:RequiredFieldValidator ID="RequiredFieldValidator4" runat="server"
ControlToValidate="txt_view1_userID" ErrorMessage="* Required field"
ValidationGroup="Form2"></asp:RequiredFieldValidator>
</td>
</tr>
<tr>
<td width="150" class="tabRow">
<asp:Label ID="lbl_panview3_label2" runat="server" Text="St Nu "></asp:Label>
</td>
<td width="200">
<asp:TextBox ID="txt_panview3_input2" runat="server" MaxLength="4">0000</asp:TextBox>
<asp:Label ID="Label8" runat="server" ForeColor="Red" Text="*"></asp:Label>
</td>
<td>
<asp:RangeValidator ID="RangeValidator2" runat="server"
ControlToValidate="txt_panview3_input2"
ErrorMessage="Please enter a valid 4-digit St Nu " MaximumValue="999999"
MinimumValue="1" Type="Integer" ValidationGroup="Form2"></asp:RangeValidator>
</td>
</tr>
<tr>
<td colspan="3">
<asp:RequiredFieldValidator ID="RequiredFieldValidator6" runat="server"
ControlToValidate="txt_panview3_input2" ErrorMessage="* Required field"
ValidationGroup="Form2"></asp:RequiredFieldValidator>
</td>
</tr>
<tr>
<td class="tabRow">
<asp:Label ID="lblEmployeeNumber" runat="server"
Text="Employee Number "></asp:Label>
</td>
<td>
<asp:TextBox ID="txtEmployeeNumber" runat="server">
</asp:TextBox>
</td>
<td>
<asp:RequiredFieldValidator ID="RequiredFieldValidator3" runat="server"
ControlToValidate="txtEmployeeNumber" ErrorMessage="* Required field"
ValidationGroup="Form2"></asp:RequiredFieldValidator>
</td>
</tr>
<tr>
<td width="150" class="tabRow">
<asp:Label ID="lbl_view1_firstName" runat="server" Text="Firstname "></asp:Label>
</td>
<td width="200">
<asp:TextBox ID="txt_view1_firstname" runat="server"></asp:TextBox>
<asp:Label ID="Label9" runat="server" ForeColor="Red" Text="*"></asp:Label>
</td>
<td>
<asp:RequiredFieldValidator ID="RequiredFieldValidator1" runat="server"
ControlToValidate="txt_view1_firstname" ErrorMessage="* Required field"
ValidationGroup="Form2"></asp:RequiredFieldValidator>
</td>
</tr>
<tr>
<td class="tabRow">
<asp:Label ID="lbl_view1_surname" runat="server" Text="Surname "></asp:Label>
</td>
<td>
<asp:TextBox ID="txt_view1_surname" runat="server"></asp:TextBox>
<asp:Label ID="Label10" runat="server" ForeColor="Red" Text="*"></asp:Label>
</td>
<td>
<asp:RequiredFieldValidator ID="RequiredFieldValidator2" runat="server"
ControlToValidate="txt_view1_surname" ErrorMessage="* Required field"
ValidationGroup="Form2"></asp:RequiredFieldValidator>
</td>
</tr>
</table>
<asp:Label ID="lblCaption2" runat="server"
Text="* Represents fields that needs to be filled mandatory"
Font-Size="XX-Small" ForeColor="Red"></asp:Label>
<hr />
<table border="0" cellpadding="0" cellspacing="0" width="100%">
<tr>
<td>
<asp:Panel ID="panelHO" runat="server">
<table border="0" cellpadding="0" cellspacing="0" width="100%">
<tr>
<td align="left" width="200">
<asp:Label ID="lbl_HO_wu" runat="server" CssClass="boldLabel"
Text="Role" />
</td>
<td align="left" width="200">
<asp:Label ID="lbl_panview1_label1" runat="server" CssClass="boldLabel"
Text="Dep" />
</td>
<td>
</td>
</tr>
<tr>
<td colspan="3">
</td>
</tr>
<tr>
<td align="left" valign="top">
<asp:CheckBoxList ID="chkBx_HO_wu" runat="server" />
<span id="lbl_chkBx_HO_wu" class="errorText"></span>
</td>
<td align="left" valign="top">
<asp:DropDownList ID="ddl_panview1_ddinput1" runat="server">
<asp:ListItem>Avebury</asp:ListItem>
</asp:DropDownList>
</td>
<td>
</td>
</tr>
</table>
</asp:Panel>
<asp:Panel ID="panelRegion" runat="server">
<table border="0" cellpadding="0" cellspacing="0" width="100%">
<tr>
<td width="30%">
<asp:Label ID="lbl_Region_wu" runat="server" CssClass="boldLabel"
Text="Role" />
</td>
<td width="30%">
<asp:Label ID="lbl_panview2_label1" runat="server" CssClass="boldLabel"
Text="Region" />
</td>
<td>
</td>
</tr>
<tr>
<td colspan="3">
</td>
</tr>
<tr>
<td valign="top">
<asp:CheckBoxList ID="chkBx_Region_wu" runat="server" />
<span id="lbl_chkBx_Region_wu" class="errorText"></span>
</td>
<td valign="top">
<asp:DropDownList ID="ddl_panview2_ddinput1" runat="server">
<asp:ListItem>Northern (NORTHERN)</asp:ListItem>
<asp:ListItem>Central (CENTRAL)</asp:ListItem>
<asp:ListItem>Southern (SOUTHERN)</asp:ListItem>