动态禁用asp.net控件的验证
本文关键字:控件 验证 net asp 动态 | 更新日期: 2024-09-23 12:11:02
根据用户填写表单时的响应,可能需要控件,也可能不需要控件。所有这些控件都附有验证。例如,如果用户至少有2年没有住在他们的地址,我需要验证以前的地址信息;如果没有,我需要跳过验证。
我尝试过用jQuery禁用验证器控件,尽管当验证文本"灰显"时,它仍然会导致验证。
<script src="../../Scripts/jquery-1.6.1.min.js" type="text/javascript"></script>
<script type="text/javascript">
$(document).ready(function () {
$('#ddlSpouseData').change(
function () {
var selection = $('#<%= ddlAddressData.ClientID%>').get(0).selectedIndex;
if (selection == 1) {
alert(selection);
$('#rfvAddressType').attr('disabled', 'disabled');
$('#rfvBAddress').attr('disabled', 'disabled');
}
});
});
</script>
<table id="MyTable" class="tableModule">
<tr>
<td class="tableDataBorder">
Data is not available and<br /> will be provided later.
</td>
<td class="tableDataBorder">
<asp:DropDownList ID="ddlAddressData" runat="server">
<asp:ListItem>Please Select</asp:ListItem>
<asp:ListItem>Yes</asp:ListItem>
<asp:ListItem>No</asp:ListItem>
</asp:DropDownList>
</td>
</tr>
<tr class="hideRow">
<td class="tableDataBorder">
Identifying Document
</td>
<td class="tableDataBorder">
<asp:DropDownList ID="ddlAddressType" runat="server">
<asp:ListItem>Please Select</asp:ListItem>
<asp:ListItem>Home</asp:ListItem>
<asp:ListItem>Office</asp:ListItem>
<asp:ListItem>Other</asp:ListItem>
</asp:DropDownList>
<br />
<asp:RequiredFieldValidator ID="rfvAddressType" CssClass="regexError" ControlToValidate="ddlAddressType"
runat="server" ErrorMessage="Please select address type" Display="Dynamic"
InitialValue="Please Select"></asp:RequiredFieldValidator>
</td>
</tr>
<tr class="hideRow">
<td class="tableDataBorder">
Address
</td>
<td>
<asp:TextBox ID="txtAddress" MaxLength="50" runat="server" CssClass="StdTxtBox"></asp:TextBox><br />
<asp:RequiredFieldValidator ID="rfvBAddress" CssClass="regexError" ControlToValidate="txtAddress"
runat="server" ErrorMessage="Please enter your address" Display="Dynamic"></asp:RequiredFieldValidator>
</td>
</tr>
</table>
使用CustomValidator而不是RequiredFieldValidator。
例如,您可以更改'rvAddressType'所需的字段验证器,如下所示:
<asp:CustomValidator runat="server"
id="valAddressType"
controltovalidate="ddlAddressType"
onservervalidate="cusCustom_ServerValidate"
errormessage="Please select address type" />
然后在服务器上的代码:
protected void cusCustom_ServerValidate(object sender, ServerValidateEventArgs e)
{
if (ddlAddressType.SelectedItem.Value == "1")
e.IsValid = false; // or do any additional validation checks here!
else
e.IsValid = true;
}
更多详细信息请点击此处:
- http://asp.net-tutorials.com/validation/custom-validator/
- https://web.archive.org/web/20211020145934/https://www.4guysfromrolla.com/articles/073102-1.aspx
尝试在运行中禁用或启用验证器以实现所需的功能。你可以试试这个代码。我还没有测试过。
//Syntax:
ValidatorEnable(ValidatorContronName,Boolean);
//Explanation:ValidatorContronName - This is ClientID of the Validation control.
Boolean - true(Enable) / false(Disable)
//Example:
ValidatorEnable(document.getElementById('<%=rfvAddressType.ClientID%>'), false);