Create custom list view in windows form with c#

Question

I am facing issues in creating a custom list view in windows forms with c#. In the listview I want one cell as text box and 3 cell as drop down box or combo box and another one cell as image button. Actually I tried to make gridview and taking cell as combobox but i am not able to bind data to the specific combobox from database. I tried creating cell from the coding like making false to auto generate column but still i was not able to bind data to combobox in grid view.

My Code:

private void Form1_Load(object sender, EventArgs e)
{
    SqlConnection db = new    
         SqlConnection(ConfigurationManager.ConnectionStrings["ram"].ConnectionString);
    db.Open();
    // String query = @"Select ItemCode from Item";
    SqlCommand command = new SqlCommand("Select ItemCode from Item", db);
    SqlDataAdapter adapter = new SqlDataAdapter(command);
    DataTable dt = new DataTable();
    adapter.Fill(dt);
    DataGridViewComboBoxColumn cmb = new DataGridViewComboBoxColumn();
    //cmb.HeaderText = "";
    cmb.Name = "ItemCode";
    //cmb.MaxDropDownItems = 4;
    cmb.Items.Add("");
    //cmb.Items.Add("False");
    dataGridView1.Columns.Add(cmb);
 }

How can I achieve this?

Answer 1

DataGridViewComboBoxColumn that you are adding does not have any items in it. Try binding some value that presents in the combobox items.