Windows Form Dynamic Generation

M L

Hello All,

I am creating a windows form that has a keypad on it, and three text input boxes. I need to be able to input numbers using the keypad and upon hitting enter, have it fill in in each of three box categories "a" "b" "c". The categories never change, but I need the scrollbox that they are kept in to dynamically generate new boxes with the same heading. I.e. I need the user to be able to enter these three values an unlimited amount of times. How do I make the input boxes appear when the user has filled all of the one's currently available?

3 Replies

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Roei Bar17y ago
you go to ToolBox and add a Panel,

split the Panel into 3 TextBox

outside the Panel you have a Button

on the Button Click Event you do the following:

bool isEmptyTextBox = false;

foreach(Control item in Panel.Controls)
{
if(item.Text == string.Empty)//Means it doesnt have text in it
{
isEmptyTextBox = true;
break;
}
}
return isEmptyTextBox;

now if you get "true" you do nothing
if you get "false" then you will need todo the following

give the TextBox all needed identifiers and location and then
TextBox newTextBox = new TextBox();
Panel.Controls.Add(newTextBox );
M L17y ago
I hate to ask this, but I'm a bit of a n00b when it comes to visual C#, I am a software designer but have only had experience with C++. Can you explain this to me in a little more detail, as the only way I found the form to begin with was by trying each one out.
Roei Bar17y ago
well, i am still wondering why dont you use a grid for that and when the user types on the last line he will receive a new line, but what i can recomend is the following,

create a Panel holding those 3 TextBox then you can run on the

Panel.Controls and check if there is non with Text equals string.empty then add 3 new TextBox

and for the scrollbars just put the ScrollBar to Automatic on the Panel and it will be available once needed