Populating name of files from SharePoint Document library in a drop down list using C#

Objective

This article will show how to iterate through SharePoint document library and list out all the file names and bind the list to a drop down list.

Working Screen

When user will click on button name of the files will get loaded from document library to drop down list.
 

Step 1

Create a window application. Drag and drop one Button and DropDown list.

Step 2

Add reference of Windows SharePoint Services 

Step 3

On click event of button write the below code

using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Shapes; 
namespace ElementBindingDemo
{public partial class MainPage : UserControl
    {public MainPage()
        {
            InitializeComponent();
            topSlider.ValueChanged += new RoutedPropertyChangedEventHandler<double>(topSlider_ValueChanged);
        }void topSlider_ValueChanged(object sender, RoutedPropertyChangedEventArgs<double> e)
        {//throw new NotImplementedException();'topTextBlock.Text = topSlider.Value.ToString(); 
        }
    }
}

Explanation

1. Returning SharePoint site using SPSite.
2. Returning current web using SPWeb.
3. My Documents is name of the document library.
4. We are iterating through the document library and fetching all the file names and adding them to a string list.

Complete Code

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using Microsoft.SharePoint;
namespace WindowsFormsApplication2
{public partial class Form1 : Form
    {
        List<string> listName = null;public Form1()
        {
            InitializeComponent();
        }private void button1_Click(object sender, EventArgs e)
        {
            listName = new List<string>();using (SPSite site = new SPSite("http://adfsaccount:2222/"))
            {using (SPWeb web = site.OpenWeb())
                {
                    SPList list = web.Lists["My Documents"];
                    SPListItemCollection items = list.Items;foreach (SPListItem item in items)
                    {
                         listName.Add(item.Name);
                    }
                }
            } 
            comboBox1.DataSource = listName;
        }
    }
}

Result Of Above Code

Conclusion

I have shown in this article, How to iterate through the Document Library. Thanks for reading.