how to set required field validation control to the radio button

Question

nallya · Answer

Read first line of post carefully To use the RequiredFieldValidator for radion button in ASP.NET you must use the RadioButtonList control. It is not possible to do it with the normal radion button.

Sukesh Marla · Answer

use IntialValue property of RequiredFiled Validator Check my article on Validation control http://www.c-sharpcorner.com/UploadFile/SukeshMarla/Asp-Net-validation-control/ let me know if have any confusion

Gopi Shankar · Answer

i am not asking for radio button list ..... only for radio button

nallya · Answer

To use the RequiredFieldValidator for radion button in ASP.NET you must use the RadioButtonList control. It is not possible to do it with the normal radion button. 1. First add the RadioButtonList control to your page. 2. Now add the RequireFieldValidator to your page. Make sure you set the ControlToValidate property to the ID of the RadioButtonList. 3. Set all the other proporties of the two control as required . EXAMPLES : tr > td > Would you like to continue? br /> td > td class =style1> asp : RadioButtonList ID =rdlYesNo runat = server  RepeatDirection =Horizontal> asp : ListItem Text =Yes Value =Yes> asp : ListItem > asp : ListItem Text =No Value =No> asp : ListItem > asp : RadioButtonList > asp : RequiredFieldValidator ID =rfvrdlYesNo runat =server ControlToValidate =rdlYesNo Display =Dynamic ErrorMessage =Would you like to continue? is required. ValidationGroup =InflightProfile> * asp : RequiredFieldValidator > td > tr > tr >