Populating Multiple Text Boxes From A Single Combo Box And Two Buttons

Easy Recipe

1. Create a winform application
2. add two text boxes
3. add one combo box
4. add two buttons

Step One: Give the combo box a few values (ex: Car, Truck and Motorcycle)

Step Two: Code The button1 click event. Double click on button1 to create the button1 click event. You should see the following

private void button1_Click(object sender, EventArgs e)
        {

        }

Now code the button1 event with

private void button1_Click(object sender, EventArgs e)
        {
          //  Note Target = Source
            // textbox1 is your target and combobox1 is your source
            textBox1.Text = comboBox1.Text;
        }

Step Three: Code the button2 click event. Double click on button2 to create the button2 click event. You should see the following

private void button2_Click(object sender, EventArgs e)
       {

       }

Now code the button 2 event with

private void button2_Click(object sender, EventArgs e)
      {
          //  Note Target = Source
          // textbox2 is your target and combobox1 is your source
          textBox2.Text = comboBox1.Text;
      }

Now take her for a spin. Click on your combo box and select a value. Once your value has been selected, click on button 1 to populate the textbox1. Click on your combo box and choose another value. Once your value has been selected, click on button 2 to populate texbox2.

This technique makes it easy for users to fill in multiple text boxes from a single combo box stuffed with preset values.