How to bind value from database to Dropdown List in MVC 4

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This is My Model

C#

public class InsertOrder
    {
        public int CustomerId { get; set; }
        public string CustomerName { get; set; }     
       } 
        public List<insertorder> getcustomerid()
        {
            List<insertorder> customerlist = new List<insertorder>();
            SqlConnection connection = new SqlConnection(ConfigurationManager.ConnectionStrings["MyConnection"].ConnectionString);
            SqlDataReader Datareader;
            {
                using (SqlCommand command = new SqlCommand("SELECT CustomerID,FirstName FROM customers", connection))
                {
                    connection.Open();
                    Datareader = command.ExecuteReader();
                    while (Datareader.Read())
                    {
                        InsertOrder ID = new InsertOrder();
                        ID.CustomerId = Convert.ToInt32(Datareader["CustomerID"]);
                        ID.CustomerName = Datareader["FirstName"].ToString();

                        customerlist.Add(ID);
                    }
                    Datareader.Close();
                    return customerlist;
                }
            }
        }
    }
}

how to give in the view page
I want to bind it to a dropdownlist

Posted 13-Nov-14 1:14am

Member 11166907

Updated 13-Nov-14 6:13am

Suraj Sahoo | Coding Passion

v3

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Nathan Minier · Answer 1 · 2014-11-13T01:49:00

You can do it like so:

This is the InsertOrder class:

C#

public class InsertOrder
{
    public int CustomerId { get; set; }
    public string CustomerName { get; set; }

    public List<SelectListItem> SelectSource { get; set; }

    public InsertOrder()
    {
        SelectSource = new List<SelectListItem>();

        using (
            var connection =
                new SqlConnection(ConfigurationManager.ConnectionStrings["MyConnection"].ConnectionString))
        {
            using (var command = new SqlCommand("SELECT CustomerID,FirstName FROM customers", connection))
            {
                connection.Open();
                using (var dataReader = command.ExecuteReader())
                {
                    while (dataReader.Read())
                    {
                        var ID = new SelectListItem
                        {
                            Value = dataReader["CustomerID"].ToString(),
                            Text = dataReader["FirstName"].ToString()
                        };

                        SelectSource.Add(ID);
                    }
                }

            }
        }
    }
}

C#

@Html.DropDownFor(model => model.CustomerId, Model.SelectSource)

Now since you have a customer Id, you're better off NOT having the customer name field in this model, but if you just can't part with it, you can pull the name out via jQuery:

JavaScript

<script type="text/javascript">
$('#CustomerId').select(function(){ 
    $('#CustomerName').val($('#CustomerId option:selected').text());
});
</script>

Santhakumar Munuswamy @ Chennai · Answer 2 · 2015-05-02T20:28:00

Solution 2

Hi,

Try
Dynamic DropDownList Binding in ASP.NET MVC With Database[^]

Posted 2-May-15 20:28pm

Santhakumar Munuswamy @ Chennai