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How to set the RadioButton to Checked State in C#?

How to set the RadioButton to Checked State in C#?

Last Updated : 30 Jun, 2019

In Windows Forms, RadioButton control is used to select a single option among the group of the options. For example, select your gender from the given list, so you will choose only one option among three options like Male or Female or Transgender. In Windows Forms, you are allowed to set a value which represents the RadioButton control is checked using the

Checked Property

of the RadioButton. If the value of this property is set to true, then RadioButton is checked and if the value of this property is set to false, then RadioButton is not checked. The default value of this property is false. You can set this property in two different ways:

1. Design-Time:

It is the easiest way to set a value which represents the RadioButton is checked as shown in the following steps:

2. Run-Time:

It is a little bit trickier than the above method. In this method, you can set a value which represents the RadioButton control is checked programmatically with the help of given syntax:

public bool Checked { get; set; }

The value of this property is of

System.Boolean

type. The following steps show how to set the Checked property of the RadioButton dynamically:



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