C# textbox appointment

Question

Random r = new Random();
int sayi = r.Next(1, 49);

textBox1.Text = sayi.ToString();

This code shows the first random number in textbox1, but I also need to get the output for the other textboxes as well:

(first click)--->Textbox1: 3
(second click)--->textbox2: 24
(third click)---> textbox3: 32

Answer 1

If you just have text boxes on your form (so that they are effectively fields in your Form class), you can add an int counter field to your class, initialize it to 0, and have (note: untested code):

Random r = new Random();
int sayi = r.Next(1, 49);
string textBoxName = "textBox"+counter;

FieldInfo fi = GetType().GetField(textBoxName);
TextBox currentTextBox = (TextBox)fi.GetValue();
currentTextBox.Text = sayi.ToString();
couter++;

plese note that this approach is rather ugly. It would be nicer to have these text boxes in a list or array and find them using the index instead of using the name of the field.

Answer 2

// Declare Click Counter Global

private int clickCounter = 0;

// On Button Click Event
Random r = new Random();

if(clickCounter == 0)
{
textBox1.Text = Convert.ToInt32(r.Next(1,49));
clickCounter++;
}

if(clickCounter == 1)
{
textBox2.Text = Convert.ToInt32(r.Next(1,49));
clickCounter++;
}

if(clickCounter == 2)
{
textBox3.Text = Convert.ToInt32(r.Next(1,49));
clickCounter++;
}

This code block gives you what you want.