服務器標記格式不正確-RegularExpressionValidator

Question

我正在嘗試編寫一個RegularExpressionValidator，以檢查以確保進入文本框的條目是Integer（不包含“。”或“，”，僅包含“ 500”之類的整數值）

但是我遇到了這個：

Description: An error occurred during the parsing of a resource required to service this request. Please review the following specific parse error details and modify your source file appropriately.

Parser Error Message: The server tag is not well formed.

代碼如下：

<asp:TextBox ID="Paymenttb" runat="server"></asp:TextBox>
<asp:RegularExpressionValidator ID ="PaymentValidator" runat="server" ControlToValidate="Paymenttb" 
ErrorMessage="Payment must be of type Int (No "." or "," for example)." ValidationExpression="^\d+$">*</asp:RegularExpressionValidator>

這是什么問題？ 我四處搜尋，找不到任何無法正常形成的原因。

Answer 1

ErrorMessage="Payment must be of type Int (No "." or "," for example)." 

這部分。 您帶引號的參數中有引號。

您可以通過使外部引號成為單引號來解決此問題：

ErrorMessage='Payment must be of type Int (No "." or "," for example).'

另一個解決方案：轉義html樣式的引用：

ErrorMessage="Payment must be of type Int (No "." or "," for example)." 

“

Answer 2

您的ErrorMessage屬性格式不正確：

ErrorMessage="Payment must be of type Int (No "." or "," for example)."

你需要躲避" ，在屬性值-做他們加倍：

ErrorMessage="Payment must be of type Int (No ""."" or "","" for example)."

或者，使用單引號分隔屬性值：

ErrorMessage='Payment must be of type Int (No "." or "," for example).'

Answer 3

嘗試這個

<asp:TextBox ID="Paymenttb" runat="server"></asp:TextBox>


<asp:RegularExpressionValidator ID ="RegularExpressionValidator1" runat="server" ControlToValidate="Paymenttb"  ToolTip="Payment must be of type Int (No '.' or ',' for example)." ValidationExpression="^\d+$">*</asp:RegularExpressionValidator> 

要么

<asp:RegularExpressionValidator ID ="PaymentValidator" runat="server" ControlToValidate="Paymenttb"  ErrorMessage="Payment must be of type Int (No '.' or ',' for example)." ValidationExpression="[0-9]"></asp:RegularExpressionValidator>