C#,Windows Form, WPF, LINQ, Entity Framework Examples and Codes

Print all Numbers Between Two Integers in C# Windows Form Application

5 years ago

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In this example, you will learn how to print all numbers between two numbers (entered by the user) in Listbox using C# Windows Form Application.

This problem is solved using for loop.

Form Design:

Source Code (button1_Click):


private void button1_Click(object sender, EventArgs e)
        {
            listBox1.Items.Clear();
            int n1, n2;
            n1 = Convert.ToInt32(txtNum1.Text);
            n2 = Convert.ToInt32(txtNum2.Text);

            for(int i=n1;i<=n2;i++)
            {
                listBox1.Items.Add(i);
            }
        }

private void button1_Click(object sender, EventArgs e)

{

listBox1.Items.Clear();

int n1, n2;

n1 = Convert.ToInt32(txtNum1.Text);

n2 = Convert.ToInt32(txtNum2.Text);

for(int i=n1;i<=n2;i++)

{

listBox1.Items.Add(i);

}

Output:

Print all Numbers Between Two Integers in C# Windows Form Application

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