How Do I Add A Datasource To A Combobox In C#

How to Add together Items in ComboBox in C#?

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In Windows forms, ComboBox provides 2 different features in a single control, it means ComboBox works equally both TextBox and ListBox. In ComboBox, only one item is displayed at a time and the rest of the items are present in the drop-downwards card. You are allowed to a list or drove of elements in your ComboBox by using Items Belongings. You can set this holding using two different methods:

1. Design-Time: Information technology is the easiest method to add together the items in the ComboBox command using the post-obit steps:

2. Run-Time: It is a piddling bit trickier than the above method. In this method, you tin add the list of elements in the ComboBox programmatically with the assistance of given syntax:

public System.Windows.Forms.ComboBox.ObjectCollection Items { get; }

Here, the ComboBox.ObjectCollection indicates the elements present in the ComboBox. Post-obit steps are used to add the elements in the ComboBox:

• Step 1: Create a combobox using the ComboBox() constructor is provided by the ComboBox class.

  // Creating ComboBox using ComboBox class ComboBox mybox = new ComboBox();              

• Step two: Afterwards creating ComboBox, add the elements in the ComboBox.

  // Adding elements in the combobox mybox.Items.Add together(230); mybox.Items.Add together(231); mybox.Items.Add(232); mybox.Items.Add(233); mybox.Items.Add(234);;              

• Stride 3: And last add this combobox control to form using Add together() method.

  // Add together this ComboBox to class this.Controls.Add(mybox);              

  Example:

  using System;

  using System.Collections.Generic;

  using System.ComponentModel;

  using System.Data;

  using System.Drawing;

  using Arrangement.Linq;

  using Arrangement.Text;

  using Organization.Threading.Tasks;

  using System.Windows.Forms;

  namespace WindowsFormsApp11 {

  public fractional class Form1 : Form {

  public Form1()

  {

  InitializeComponent();

  }

  private void Form1_Load( object sender, EventArgs eastward)

  {

  Label fifty = new Characterization();

  l.Location = new Point(222, fourscore);

  fifty.Size = new Size(99, xviii);

  l.Text = "Select Your id" ;

  this .Controls.Add(fifty);

  ComboBox mybox = new ComboBox();

  mybox.Location = new Point(327, 77);

  mybox.Size = new Size(216, 26);

  mybox.Name = "My_Cobo_Box" ;

  mybox.Items.Add(230);

  mybox.Items.Add(231);

  mybox.Items.Add(232);

  mybox.Items.Add(233);

  mybox.Items.Add(234);

  this .Controls.Add together(mybox);

  }

  }

  }

  Output:
  

How Do I Add A Datasource To A Combobox In C#,

Source: https://www.geeksforgeeks.org/how-to-add-items-in-combobox-in-c-sharp/

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