Loading certain data in combobox based on textbox input

Based on gender, I want to load certain criteria. For example, if I type 0 in a textbox, I want to load Mr., Dr. , etc.. If I type 1, I want to 开发者_运维问答load Ms, Mrs, Miss, Dr. etc... How can I do so? Gender is typed in a textbox, and I want the combo box to load what I specified above. Thank you.

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This is just Sudo code there must be typo or Syntax error but you need to do something as below :

    List<string> strMale = new List<string>{"Mr.", "Dr. "};
    List<string> strFMale = new List<string>{"Mrs.", "Miss"};

//make use of Textbox Change Event
public void Text1_TextChanged(object sender, EventArgs e)

{

  Combo1.Items.Clear();

  //Bind the values using the text box input value 
  if(Text1.Text=="0")
   {
     Combo1.DataSource = strMale ;
   }
   else if(Text1.Text=="1")
   {
     Combo1.DataSource = strFMale ;
   }
  Combo1.SelectedIndex = 0;
}

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You have to handle event ValueChanged (the name of the event depends on platform you're working with) and depending on value typed change source of your combobox

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Try the following Code Use can use comboBox.Items.Insert or comboBox.Items.Add for inserting new items into a combobox.

private void textBox2_TextChanged(object sender, EventArgs e)
        {
            if (textBox2.Text == "0")
            {
                if (comboBox1.Items.Count > 0)
                      comboBox1.Items.Clear();
                comboBox1.Items.Insert(0,"Mr");
                comboBox1.Items.Insert(1, "Dr");
            }
            else if (textBox2.Text == "1")
            {
                if (comboBox1.Items.Count > 0)
                      comboBox1.Items.Clear();
                comboBox1.Items.Add("Ms");
                comboBox1.Items.Add("Mrs");
                comboBox1.Items.Add("Miss");
            }
        }