Getting a value from Another Form using C# [duplicate]

Answer 1

Try to assign the Form1.TextBox1.Text into a Public Shared variable and access the variable into the Form2.TextBox1.Text

Answer 2

Form2

public String txtval { get; set; }

txtBox2.Text = txtval;

Form1

Form2 frm2 = new Form2();
frm2.txtval = txtBox1.Text;

Answer 3

Try the following.

Form1.cs

private Form2 secondForm;
private void GetSecondFormTextBox()
{
    textBox1.Text = secondForm.TextBox1.Text;
}

Form2.cs

public TextBox TextBox1
{
    get
    {
        return textBox1;
    }
}

Answer 4

Declare your Form1's txtbox1 Modifier as public . And in Form2 Declare the following:

System.Windows.Forms.Form f = System.Windows.Forms.Application.OpenForms["Form1"];

Then :

txtbox2.Text = ((Form1)f).txtbox1.Text;