CODEWITHSUNDEEP
c#asp.net
vivid
vivid

Reputation: 1135

How to set datasource of listbox from generic list of class

How can I bind List to the datasource of a Listbox? I want to to set the visible property Name.

Here is my class and list:

 public class Users
 {
    public string Name { get; set; }
    public DateTime Data { get; set; }
    public int Id { get; set; }
    public Users()
    {
        Name = null;
        Data = DateTime.Now;
        Id = 0;
    }
    public Users(string N,DateTime dateTime, int id)
    {
        Name = N;
        Data = dateTime;
        Id = id;
    }
}

Here is how I try to bound the datasource:

        ListBox1.DataSource = ((List<Users>) Application["Users_On"]);
        ListBox1.DataBind();

Upvotes: 0

Views: 7119

Answers (2)

foo-baar
foo-baar

Reputation: 1104

Alex, not really sure how you are trying to generate and bound the values, I'll try to simplify, lets say I have a class called GenericLists, where I'll declare all the reusable generic data, let's assume products for example so I can do like this :

private Dictionary<int, string> relatedProducts { set; get;}
public Dictionary<int, string> relatedProductsList { 
        get {return relatedProducts; } 
    }

public GenericLists()
{
        relatedProducts = new Dictionary<int, string>
            {
                    {0, "CTRL + Click to select multiples"},
                    {1, "A"},
                    {2, "B"},
                    {3, "C"},
                    {4, "D"},
             };
}

And now I want to bind it to a listbox in any form :

  GenericLists gList = new GenericLists();

            products.DataSource = gList.relatedProductsList;
            products.DataValueField = "Key";
            products.DataTextField = "Value";
            products.DataBind();

I hope this would give you an idea.

Good Luck

Upvotes: 0

Phaedrus
Phaedrus

Reputation: 8421

  ListBox1.DataSource = ((List<Users>) Application["Users_On"]);
  ListBox1.DataTextField = "Name";
  ListBox1.DataBind();

You can use the DataTextField property of the ListBox class to display the Name propperty of your object.

Upvotes: 3

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