Why can't you use a checkbox if it is easier? Since it's a "touch screen", I assume the "public" will be using it. The "public" is generally familiar with widgets such as "checkboxes", "radio buttons", "movers", "selected color", etc. and how they work when it comes to "selecting" or "showing" selections. You're not doing anyone any favors if you think you have found a "new" way to show selected items. Anyway, even if you use a checkbox, you can still "hide" it.

Excellent post! :thumbsup: You have just been Sharapova'd.

naouf10 wrote: how this EPOS can find the address from the postcode although there is no internet access nor address database in the PC? Simple then - it cannot. The data must come from somewhere.

Build some business logic, i.e. class(es) for storing the text entered form3 and pass it/them to form1 in buttonAddRow_Click or make something like this public struct EnteredText { public string t1, t2, t3; }; public partial class Form3 : Form { public delegate void ButtonClick(EnteredText data); public event ButtonClick OnClick; ... private void buttonAddRow _Click(object sender, EventArgs e) { EnteredText args; args.t1 = textbox1.Text; args.t2 = ... if (OnClick != null) OnClick(args); } } Means you copy the text from the boxes into the struct and fire the event OnClick. Somewhere in Form2 you should do something like this: Form3 f3 = new Form3(); f3.OnClick += f3_OnClick; f3.Show(); } private void f3_OnClick(EnteredText txt) { // do something with the text or refire a new event. }

Assuming this is Windows Forms, and there's no physical keyboard: private void NumberButtons_Click(object sender, EventArgs e) { textBox1.AppendText((sender as Button).Text); } The assumption here is that you have a set of Buttons whose Text values are from #1~9 and #0, and they all use the same Click EventHandler. Of course, we don't know here exactly what you mean by "numbers:" are you allowing decimal-point, commas, negative numbers, culture-specific numeric encoding, etc. ? Will also have a back-space button ? If you wish the user to have some way to move the insertion point around in the TextBox, that'll take a bit more work (using virtual arrow-key buttons ?). «I want to stay as close to the edge as I can without going over. Out on the edge you see all kinds of things you can't see from the center» Kurt Vonnegut.

Well, it can be easy: all you need to do to keep the Focus on the TextBox Control when a Button is clicked is to set the TextBox 'Capture to 'true in the Click EventHandler. «I want to stay as close to the edge as I can without going over. Out on the edge you see all kinds of things you can't see from the center» Kurt Vonnegut.

You can't. DataGridView are very arrogant and won't accept anything coming from someone else. Do not escape reality : improve reality !