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Showing posts with label textbox validation in asp.net. Show all posts
Showing posts with label textbox validation in asp.net. Show all posts

Tuesday, 23 July 2013

How to allow only Numeric values into a textbox

How to allow only Numeric values into a textbox
Introduction :-

In my previous article i have explained how i can use validation control in asp.net.In this article I am explain how i can allow online integer values for text box using regular expression in asp.net.

Description : -
In my Previous article i have explained how to validated form using jquery in asp.net.And i have Provided Full Description with example for  each and every  control in asp.net. Name of Controls are

RequiredFieldValidation,RangeValidator,RegularExpressionValidator,CompareValidator,CustomValidator,
CustomValidator

In this article i have explain how to validate textbox using regular expression allow only integer values

Process :-
1 : - Create a new project in asp.net and add new from and drag and drop a text box and provide the id to the textbox.In this article the id of text box is txt_priority  .
2 : - Drag and drop the Regular Expression validator on the form and set the property as show below
ID =RegularExpressionValidator1
ControtoValidate= txt_priority   [this is textbox id]
ErrorMessage=Please enter numbers only
ForColor=Red
ValidationExpression=\d+

complete example as show below


<asp:RegularExpressionValidator id="RegularExpressionValidator1"
                   ControlToValidate="txt_priority"
                   ValidationExpression="\d+"
                   Display="Static"
                   EnableClientScript="true"
                   ErrorMessage="Please enter numbers only"
                   runat="server" ForeColor="Red"/>


 

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