How to make these in C#

Plss can u help me about this how to make when I select the Capital City Madrid and City Spain to show me True or when I select Paris and France again True,,, and if I select Paris and Germany to show False ?

I have written these code but only for Madrid & Spain, how to make it works as well for others ( Paris with France, Berlin with Germany)?????

namespace example1
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
listBox1.Items.Add("Madrid"); listBox1.Items.Add("Paris"); listBox1.Items.Add("Berlin"); listBox2.Items.Add("France"); listBox2.Items.Add("Germany"); listBox2.Items.Add("Spain");
}
private void button1_Click(object sender, EventArgs e)
{
if ((string)listBox1.SelectedItem == "Madrid" && (string)listBox2.SelectedItem == "Spain") MessageBox.Show("True","",MessageBoxButtons.OK, MessageBoxIcon.Information);
else
MessageBox.Show("False", "",MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
}

using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Windows.Forms; namespace WindowsFormsApplication11 { public partial class Form1 : Form { public Form1() { InitializeComponent(); } private void Form1_Load(object sender, EventArgs e) { listBox1.Items.Add("Madrid"); listBox1.Items.Add("Paris"); listBox1.Items.Add("Berlin"); listBox2.Items.Add("France"); listBox2.Items.Add("Germany"); listBox2.Items.Add("Spain"); } private void button1_Click(object sender, EventArgs e) { if ((string)listBox1.SelectedItem == "Madrid" && (string)listBox2.SelectedItem == "Spain") MessageBox.Show("True", "", MessageBoxButtons.OK, MessageBoxIcon.Information); else if ((string)listBox1.SelectedItem == "Paris" && (string)listBox2.SelectedItem == "France") MessageBox.Show("True", "", MessageBoxButtons.OK, MessageBoxIcon.Information); else if ((string)listBox1.SelectedItem == "Berlin" && (string)listBox2.SelectedItem == "Germany") MessageBox.Show("True", "", MessageBoxButtons.OK, MessageBoxIcon.Information); else { MessageBox.Show("False", "", MessageBoxButtons.OK, MessageBoxIcon.Error); } } } }

1 Reply

Know the answer? Post it — somebody with the same question will find it here.

Satyapriya Nayak13y ago
using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Windows.Forms; namespace WindowsFormsApplication11 { public partial class Form1 : Form { public Form1() { InitializeComponent(); } private void Form1_Load(object sender, EventArgs e) { listBox1.Items.Add("Madrid"); listBox1.Items.Add("Paris"); listBox1.Items.Add("Berlin"); listBox2.Items.Add("France"); listBox2.Items.Add("Germany"); listBox2.Items.Add("Spain"); } private void button1_Click(object sender, EventArgs e) { if ((string)listBox1.SelectedItem == "Madrid" && (string)listBox2.SelectedItem == "Spain") MessageBox.Show("True", "", MessageBoxButtons.OK, MessageBoxIcon.Information); else if ((string)listBox1.SelectedItem == "Paris" && (string)listBox2.SelectedItem == "France") MessageBox.Show("True", "", MessageBoxButtons.OK, MessageBoxIcon.Information); else if ((string)listBox1.SelectedItem == "Berlin" && (string)listBox2.SelectedItem == "Germany") MessageBox.Show("True", "", MessageBoxButtons.OK, MessageBoxIcon.Information); else { MessageBox.Show("False", "", MessageBoxButtons.OK, MessageBoxIcon.Error); } } } }