How to generate TextBox and Label on runtime in Windows Application using C# .Net

Note: In this concept we will discuss how to generate Textbox and Label in runtime and

How to get generate Textbox value in Message Box

First Step: we will take a Windows Application and select Windows Form which name is From2

Code for Form2.......................................

using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.Linq;

using System.Text;

using System.Threading.Tasks;

// using this namespace....

using System.Windows.Forms;

namespace WindowsFormsApplication3

{

public partial class Form2 : Form

{

public Form2()

{

InitializeComponent();

}

private void Form2_Load(object sender, EventArgs e)

{

}

int txtleft,lblleft,no;

int txtcount,lblcount = 1;

private void btnGenetrateText_Click(object sender, EventArgs e)

{

ClearText();

txtleft = 5;

lblleft = 5;

no = Convert.ToInt32(txtno.Text);

for (int i = 1; i <= no; i++)

{

AddNewTextBox();

AddNewLabel();

}

}

//Generate Label on Run time

public Label AddNewLabel()

{

Label l1 = new Label();

this.Controls.Add(l1);

l1.Top = lblleft * 25;

l1.Left = 25;

lblleft = lblleft + 1;

l1.Name = "Label" + lblcount;

l1.Text = "Subject" + lblcount;

lblcount++;

return l1;

}

//code for Generate TextBox on Run time

public TextBox AddNewTextBox()

{

TextBox txt = new TextBox();

this.Controls.Add(txt);

txt.Top = txtleft * 25;

txt.Left = 100;

txtleft = txtleft + 1;

txt.Name = "txtTextBox" + txtcount;

return txt;

}

//code for remove Generated Label and TextBox

public void ClearText()

{

txtcount = 1;

lblcount = 1;

foreach (Control c in this.Controls)

{

if (c is TextBox)

{

if (c.Name != "txtno")

c.Visible = false;

}

if (c.GetType()==typeof(Label))

{

if (c.Name != "lblno")

c.Visible = false;

}

}

}

//code for remove Generated Label and TextBox

string result;

private void btnGetTextBoxValue_Click(object sender, EventArgs e)

{

result = "";

foreach (Control c in this.Controls)

{

if (c.GetType()==typeof(TextBox))

{

if (c.Name != "txtno")

{

result += c.Text + ",";

}

}

}

MessageBox.Show(result.Remove(result.Length - 1));

}

//code for clear Generated TextBox value

private void btnClearTextBox_Click(object sender, EventArgs e)

{

foreach (Control c in this.Controls)

{

if (c.GetType() == typeof(TextBox))

{

if (c.Name != "txtno")

c.Text = "";

}

}

}

}

}