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                # ASP.NET Web Forms - Validation 服務器控件 Validation 服務器控件是用來驗證用戶輸入的。 ## Validation 服務器控件 Validation 服務器控件用于驗證輸入控件的數據。如果數據未通過驗證,則向用戶顯示錯誤消息。 創建 Validation 服務器控件的語法是: ``` <asp:control_name id="some_id" runat="server" /> ``` | Validation 服務器控件 | 描述 | | --- | --- | | [CompareValidator](control-comparevalidator.html) | 把一個輸入控件的值與另一個輸入控件的值或一個固定的值進行對比 | | [CustomValidator](control-customvalidator.html) | 允許您編寫一個方法,來處理輸入值的驗證 | | [RangeValidator](control-rangevalidator.html) | 檢查用戶輸入值是否介于兩個值之間 | | [RegularExpressionValidator](control-regularexpvalidator.html) | 確保輸入控件的值匹配指定的模式 | | [RequiredFieldValidator](control-reqfieldvalidator.html) | 使輸入控件成為必需(必填)的字段 | | [ValidationSummary](control-validationsummary.html) | 顯示網頁中所有驗證錯誤的報告 |
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