What are some examples of validation controls in ASP.NET?
An example of an AI chatbot conversation about validation controls in ASP.NET.
What are some examples of validation controls in ASP.NET?
In ASP.NET, common validation controls include RequiredFieldValidator, RangeValidator, and RegularExpressionValidator. Would you like to know how to implement one?
Yes, can you show me how to use the RequiredFieldValidator?
Sure! To use RequiredFieldValidator, you need to set its ControlToValidate property to the ID of the input control. For example:
<asp:TextBox ID="txtName" runat="server"></asp:TextBox>
<asp:RequiredFieldValidator ID="rfvName" runat="server" ControlToValidate="txtName" ErrorMessage="Name is required!" ForeColor="Red"></asp:RequiredFieldValidator>
What happens if the validation fails?
If the validation fails, the error message specified in the ErrorMessage property will be displayed, and the form will not be submitted until the user corrects the input.
Can I customize the error message?
Yes, you can customize the error message by changing the ErrorMessage property of the validator control to whatever message you want.
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