Asp.net RegularExpressionValidator显示以下字段不能为空的异常
我有一个文本框txtemailid,它有两个validatorAsp.net RegularExpressionValidator显示以下字段不能为空的异常,asp.net,visual-studio-2010,validation,Asp.net,Visual Studio 2010,Validation,我有一个文本框txtemailid,它有两个validatorRequiredFieldValidator和RegularExpressionValidator作为: <asp:TextBox ID="txtEMailId" CssClass="Text1" runat="server"></asp:TextBox> <asp:RequiredFieldValidator ID="RFVtxtEMailId" runat="server" Error
RequiredFieldValidator
和RegularExpressionValidator
作为:
<asp:TextBox ID="txtEMailId" CssClass="Text1" runat="server"></asp:TextBox>
<asp:RequiredFieldValidator ID="RFVtxtEMailId"
runat="server"
ErrorMessage="*"
Display="Dynamic"
ForeColor="Red"
ControlToValidate="txtEMailId"></asp:RequiredFieldValidator>
<asp:RegularExpressionValidator ID="REVtxtEMailId"
runat="server"
ValidationExpression="\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*"
Display="Dynamic"
ErrorMessage="Invalid Email Format"
ForeColor="Red"></asp:RegularExpressionValidator>
您尚未指定应验证的控件。请尝试此操作
<asp:RegularExpressionValidator ID="REVtxtEMailId"
runat="server"
ValidationExpression="\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*"
Display="Dynamic"
ErrorMessage="Invalid Email Format"
ForeColor="Red" ControlToValidate="txtEMailId"></asp:RegularExpressionValidator>
您尚未提供用于在正则表达式验证器中验证属性的控件。请在REVtxtEMailId中添加此属性谢谢。我错过了这片土地。
<asp:RegularExpressionValidator ID="REVtxtEMailId"
runat="server"
ValidationExpression="\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*"
Display="Dynamic"
ErrorMessage="Invalid Email Format"
ForeColor="Red" ControlToValidate="txtEMailId"></asp:RegularExpressionValidator>