ASP.NET : RequiredFieldValidator

RequiredFieldValidator 
This control not allow user skip an entry.

Example
1. Create a ASP.NET website then add Standard TextBox and RequiredFieldValidator.
2. Select your RangeValidator and set require properties for validate (see Table 1).

Properties	Value
ControlToValidate	TextBox1
ErrorMassage	Please Input Name !!

Table 1: Require Properties for RequiredFieldValidator

3. Test your application you will see error message when you don't entry anything in TextBox1 (Figure 1).

Figure 1: Require Check  Example

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