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Get value from another form in already opened form1

Get value from another form in already opened form1

Goran Bibic

8y751Learn iOS Programming

My code work...problem is ...

Form 1 button click open Form2 and find value, when return value open new form not existing? Some help

I think it is problem line 11..12...

//form1:
public partial class Form1 : Form
{
Form2 f2;
public Form1()
{
InitializeComponent();
}
private void button1_Click(object sender, EventArgs e)
{
if (f2 == null)
f2 = new Form2();
f2.ValueFromForm1(textBox1.Text);
f2.Show();
}
}
//form2:
public partial class Form2 : Form
{
public Form2()
{
InitializeComponent();
}
public void ValueFromForm1(string value)
{
textBox1.Text = value;
}
}

3 Replies

Know the answer? Post it — somebody with the same question will find it here.

Goran Bibic8y ago
Source code is up...
//form1:
public partial class Form1 : Form
    {
        Form2 f2;
        public Form1()
        {
            InitializeComponent();
        }
        private void button1_Click(object sender, EventArgs e)
        {
            if (f2 == null)
                f2 = new Form2();
            f2.ValueFromForm1(textBox1.Text);
            f2.Show();
        }
    }
//form2:
public partial class Form2 : Form
    {
        public Form2()
        {
            InitializeComponent();
        }
        public void ValueFromForm1(string value)
        {
            textBox1.Text = value;
        }
    }
Goran Bibic8y ago
Not solved again new Form1, i change Show Dialog
Pravin Ghadge8y ago
Hi Goran,

In place f2.Show();

use

f2.ShowDialog();