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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