how to get value in a text box to a label in another form

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C#

.NET

how to get value in a text box to a label in another form?

Posted 7-May-13 20:26pm

geo thomas

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3 solutions

Solution 1

This is the popular question about form collaboration. The most robust solution is implementation of an appropriate interface in form class and passing the interface reference instead of reference to a "whole instance" of a Form. Please see my past solution for more detail: How to copy all the items between listboxes in two forms[^].

Please also see other solutions in this discussion. If the application is simple enough, the solution could be as simple as declaring of some internal property in one form and passing a reference to the instance of one form to the instance of another form. For more complex projects, such violation of strictly encapsulated style and loose coupling could add up the the accidental complexity of the code and invite mistakes, so the well-encapsulated solution would be preferable.

Please see also:
http://en.wikipedia.org/wiki/Accidental_complexity[^],
http://en.wikipedia.org/wiki/Loose_coupling[^].

—SA

Posted 7-May-13 20:27pm

Sergey Alexandrovich Kryukov

Solution 2

C#

formname f=new formname();
label.text=f.textbox.text;

Posted 7-May-13 20:31pm

Athi Varathan

Comments

geo thomas 8-May-13 2:35am

srry..is not working?am getting error
Error 5 'Employee_Login.Form1.txt_EId' is inaccessible due to its protection level

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KM Perumal · Accepted Answer · 2013-05-07T20:48:00

Solution 3

C#

private void Button_Click(object sender, EventArgs e)
        {
 
           Form2 qu = new Form2 (textbox1.text);
            qu.ShowDialog();
}

C#

public Form2(string l)
       {
           InitializeComponent();
 label1.text=l.toString();
       }

Posted 7-May-13 20:48pm

KM Perumal

Comments

geo thomas 8-May-13 2:59am

thank u very much..
its work...thanks again..:-)

KM Perumal 8-May-13 3:00am

welcome Accept answer its useful for another

geo thomas 8-May-13 3:06am

k.

achalake 21-Jul-20 5:28am

i recently started coding and i encountered the same problem. cud this solution be explained a bit more?