Vb net form validating
Now have a look in the Properties tab of Visual Studio. The Validation Expression attribute has a button next to it, and if you click it, you will gain access to some default expressions, delivered by the ASP. You can use the Regular Expression Validator for almost everything, for instance validating an e-mail or an URL.Try switching to Design view and select the Regular Expression Validator on your page.DATABASE CHAMBERStep 4 In Server Explorer, under your database (Database.mdf) do something to table then select Add New Table. Stored Procedure – sp_insert: Figure 2 Stored Procedure DESIGN CHAMBERStep 6 Now get back to your page, where we will design our application.The Regular Expression Validator is a bit more difficult to write about, because it requires knowledge of Regular Expressions to really use it.Here also I am binding the radio button list at runtime.When we run the preceding code it will show: Here the error message is misplaced since we can see it clearly.
Since Regular Expressions are beyond the scope of this tutorial, I won't try to explain it, other than it simply tells the validator that a value of 4 digitgs is acceptable, and nothing else.
For validating a web form using the j Query validation library we need to include the following scripting file in our master page or webpage.