In this post we will discuss one example of RegularExpression validator. Also you can check out some articles on:
- Anonymous Types in C#.Net
- Sealed class and Sealed method in C#.Net
- Regular expression validator for image files in Asp.Net
Recently I came accross a situation where I need a validation like below. A field can contain only interger ot 5 or 8 digit. Means it should through validation message of user enters number of length 7 digit, 6 digit, 4 digit etc.
But If you want to validate only numeric values, then you can follow this article.
Below is the code:
<asp:TextBox runat="server" ID="txtNumber" />
<asp:RegularExpressionValidator runat="server" ID="rexNumber" ControlToValidate="txtNumber"
ValidationExpression="^[0-9]{5}$|^[0-9]{8}$" ErrorMessage="Please enter a 5 or 8 digit number!"
ForeColor="Red" />
It will appear like below:
- Anonymous Types in C#.Net
- Sealed class and Sealed method in C#.Net
- Regular expression validator for image files in Asp.Net
Recently I came accross a situation where I need a validation like below. A field can contain only interger ot 5 or 8 digit. Means it should through validation message of user enters number of length 7 digit, 6 digit, 4 digit etc.
But If you want to validate only numeric values, then you can follow this article.
Below is the code:
<asp:TextBox runat="server" ID="txtNumber" />
<asp:RegularExpressionValidator runat="server" ID="rexNumber" ControlToValidate="txtNumber"
ValidationExpression="^[0-9]{5}$|^[0-9]{8}$" ErrorMessage="Please enter a 5 or 8 digit number!"
ForeColor="Red" />
It will appear like below:
