RadioButton control is designed to allow users to choose atleast one option from a list of available options.
Checkbox is designed to allow users to choose from zero to all options.
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RadioButton control is designed to allow users to choose atleast one option from a list of available options.
Checkbox is designed to allow users to choose from zero to all options.
Set same Groupname for the radiobutton controls
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RadioButtonList1.Items(0).Selected = true
C#
RadioButtonList1.Items[0].Selected = true;
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