Steps to Implement inputbox on Button Click in C#.Net

1>Drag a Button on Form

2>Right click on project in Solution Explorer and Click on Add Reference

3>Select Microsoft.VisualBasic

4>Click Ok

Then come to code and write the below code:
using Microsoft.VisualBasic;
private void button1_Click(object sender, EventArgs e)
{
//string myValue = Interaction.InputBox("Enter Name","Input Box","Name Here", 100, 100);
//MessageBox.Show(myValue);

//or
string message, title, defaultValue;
string myValue;
// Set prompt.
message = "Enter a value between 1 and 3";
// Set title.
title = "InputBox Demo";
// Set default value.
defaultValue = "1";//Display message, title, and default value.
myValue =Interaction.InputBox(message, title, defaultValue,100,100);// If user has clicked Cancel, set myValue to defaultValue
if (myValue == "")
{
myValue = defaultValue;

MessageBox.Show(myValue);



}
else
{
//MessageBox.Show(myValue);

}
}