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CheckBoxList Control

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Join Date: Aug 2007

Posts: 10

Reputation: C#Novice is an unknown quantity at this point

Solved Threads: 0

C#Novice

Offline

Newbie Poster

CheckBoxList Control

Jul 22nd, 2008

[I have an application where , i have a radiobuttonlist having 2 radio buttons radiobuttons RB1 & RB2
and there are 6 checkBoxes CB1 thru CB6
If RB1 is selected then CB6 shld be disable /invisible and if RB2 is selected then all the CBs shld be enabled. How do i do this?

 Help with Code Tags 
 C# Syntax (Toggle Plain Text) 
protected void rb_OnIndexChanged(object sender, System.EventArgs e)
	{				
if (rb.SelectedValue=="A")
	{
	cb6.Enabled=true;
	}
	}
protected void rb_OnIndexChanged(object sender, System.EventArgs e)
	{				
if (rb.SelectedValue=="A")
	{
	cb6.Enabled=true;
	}
	}

i get an error Object reference not set to an instance of an object
plz help.
thank you

Last edited by Tekmaven; Jul 22nd, 2008 at 7:37 pm. Reason: Code tags

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Join Date: Nov 2007

Posts: 2,641

Reputation: Jx_Man is a glorious beacon of light

Solved Threads: 245

Jx_Man

Offline

Posting Maven

Re: CheckBoxList Control

Jul 22nd, 2008

try this :

 Help with Code Tags 
 C# Syntax (Toggle Plain Text) 
private void RB1_CheckedChanged(object sender, System.EventArgs e)
{
	if (RB1.Checked == true)
	{
		C1.Enabled = true;
		C2.Enabled = true;
		C3.Enabled = true;
		C4.Enabled = true;
		C5.Enabled = true;
		C6.Enabled = false;
	}
}
 
private void RB2_CheckedChanged(object sender, System.EventArgs e)
{
	if (RB2.Checked == true)
	{
		C1.Enabled = false;
		C2.Enabled = false;
		C3.Enabled = false;
		C4.Enabled = false;
		C5.Enabled = false;
		C6.Enabled = false;
	}
}
private void RB1_CheckedChanged(object sender, System.EventArgs e)
{
	if (RB1.Checked == true)
	{
		C1.Enabled = true;
		C2.Enabled = true;
		C3.Enabled = true;
		C4.Enabled = true;
		C5.Enabled = true;
		C6.Enabled = false;
	}
}

private void RB2_CheckedChanged(object sender, System.EventArgs e)
{
	if (RB2.Checked == true)
	{
		C1.Enabled = false;
		C2.Enabled = false;
		C3.Enabled = false;
		C4.Enabled = false;
		C5.Enabled = false;
		C6.Enabled = false;
	}
}