How to select a button on form load

Question

1.00/5 (2 votes)

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I need to select login button on form load after inserting username and password.

What I have tried:

I tried this.focus(); on form load, but have no response.

Posted 1-Nov-23 2:52am

Member 14833898

Updated 1-Nov-23 9:03am

Deeksha Shenoy

v2

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Dave Kreskowiak 1-Nov-23 9:15am

EDIT: Are you trying to click the button or just give the button the input focus?

Also, how are you interacting with the web page? Using which library?

Member 14833898 2-Nov-23 0:06am

I am using windows form

Dave Kreskowiak 2-Nov-23 0:26am

And that didn't answer my questions at all. I was referring to the code you've written and the library you're using to get at the web page.

Member 14833898 6-Nov-23 1:22am

I tried this code but i put pwd immediately select login button and does not allow to complete your password
here is my code
private void TxtPass_TextChanged(object sender, EventArgs e)
{
if (comboBox1.Text != "" && TxtPass.Text != "")
{
button1.BackColor = Color.Green;
this.ActiveControl = button1;
}
}

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Dave Kreskowiak · Answer 1 · 2023-11-06T02:54:00

So you're saying you want the user to be able to hit ENTER when the username and password fields are filled in and that performs the login?

Make Login button the default button by setting the Form.AcceptButton property to the button and just diable the button until both the username and password textboxes are filled in:

C#

// You don't need the 'this' reference
AcceptButton = loginButton;
loginButton.Enabled = false;

...

private void TxtPass_TextChanged(object sender, EventArgs e)
{
    if (comboBox1.Text != "" && TxtPass.Text != "")
    {
        loginButton.Enabled = true;        
    }
}

M Imran Ansari · Answer 2 · 2023-11-01T21:06:00

In Windows form to set the focus on the login button (as per your scenario), to set focus to a specific button on form load, you can use the ActiveControl property.

C#

private void Form1_Load(object sender, EventArgs e)
{
	// Set focus to the login button
	this.ActiveControl = loginButton;
}

The second option is, under form properties the 'AcceptButton' property can be set to the loginButton in the designer.

How to select a button on form load

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