C# Populate Combobox From Datatable

How To Fill A Combobox Using A DataTable In C# 

Populate Combobox From Datatable In C#

In This C# Tutorial  We Will See How To Populate A ComboBox With DataTable Data In Form Load Using CSharp Programming Language And Visual Studio Editor.


Project Source Code:

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 System.Windows.Forms;

namespace WindowsFormsApplication1
{
    public partial class PopulateComboboxFromDatatable : Form
    {
        public PopulateComboboxFromDatatable()
        {
            InitializeComponent();
        }

        private void PopulateComboboxFromDatatable_Load(object sender, EventArgs e)
        {
            // create a datatable
            DataTable table = new DataTable();

            // add columns to datatable
            table.Columns.Add("id");
            table.Columns.Add("username");

            // add rows to datatable
            table.Rows.Add("1","PHP");
            table.Rows.Add("2", "C#");
            table.Rows.Add("3", "Java");
            table.Rows.Add("4", "Javascript");
            table.Rows.Add("5", "C++");

            comboBox1.DataSource = table;
            comboBox1.DisplayMember = "username";

        }
    }
}

      
///////////////OUTPUT:

c# data datatable to combobox







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