电话号码 <asp:RegularExpressionValidator id="Regex_Tel" runat="server" ControlToValidate="TEL" ValidationExpression="(\d\d{1,4}-|\(\d\d{1,4}\) ?)?\d{1,4}-\d{4}" ErrorMessage="Tel「XXX-XXX-XXXX」或者「XXX-XXXX-XXXX」" Display="Static">*</asp:RegularExpressionValidator> 日期 <a...
其中一个非常有效的验证器是RegularExpressionValidator,如您所料,它允许您提供必须匹配输入的正则表达式来验证输入。设置控件的ValidationExpression属性可指定正则表达式的模式。下面显示了验证邮政代码字段的验证程序: <asp:RegularExpressionValidator runat="server" id="ZipCodeValidator" ControlToValidate="ZipCodeTextBox" ...
Validator.RegEx(pattern [, error message]) Validator.Required([error message]) Validator.StringLength(length) Validator.Url([error message]) 提交页面后,检查检查 Validation.IsValid是否已通过验证: C# 复制 if(IsPost && Validation.IsValid()){ // Process form submit } 如果...
其中一個更強大的驗證程式是RegularExpressionValidator,因為您可能會猜到,它可讓您提供必須符合輸入的正則運算式來驗證輸入。 正則運算式模式是藉由設定 控制項的ValidationExpression屬性來指定。 郵遞區號欄位的範例驗證程式如下所示: <asp:RegularExpressionValidator runat="server" id="ZipCodeValidator" ControlToValidate...
我想只接受前100个字符,然后删除其他字符,然后向用户发送错误消息,其中包含我尝试使用RegularExpressionValidator的文本的接受部分,如下所示:<asp:RegularExpressionValidatorForeColor="Red" ValidationExpression="^.{1,100}$" 浏览2提问于2016-05-14得票数 0...
Validator.RegEx(pattern[, error message]) Validator.Required([error message]) Validator.StringLength(length) Validator.Url([error message])(v2) 메서드를 사용할 때 유효성 검사 테스트를 지정합니다 Validation.Add .JavaScript...
For Web form applications that obtain input through server controls, use the ASP.NET validator controls to constrain the input. For other sources of input data, such as query strings, cookies, and HTTP headers, constrain input by using the Regex class from the System.Text.RegularExpressions name...
An example validator for a ZIP code field is shown below:<asp:RegularExpressionValidator runat="server" id="ZipCodeValidator" ControlToValidate="ZipCodeTextBox" ErrorMessage="Invalid ZIP code format; format should be either 12345 or 12345-6789." ValidationExpression="(\d{5}(-\d{4})?" /> A...
The following example shows a RegularExpressionValidator control that has been used to validate a name field. code Copy <asp:TextBox id="txtName" ></asp:TextBox> <asp:RegularExpressionValidator id="nameRegex" ControlToValidate="txtName" ValidationExpression="^[a-zA-Z'.\s]{1,40}$" Erro...
An example validator for a ZIP code field is shown below:<asp:RegularExpressionValidator runat="server" id="ZipCodeValidator" ControlToValidate="ZipCodeTextBox" ErrorMessage="Invalid ZIP code format; format should be either 12345 or 12345-6789." ValidationExpression="(\d{5}(-\d{4})?" /> A...