How to Populate Multiple Columns in a C# ListView Control?

Populating Columns in ListView Control

In C# Windows Forms, the ListView control allows you to display data in a tabular format. By default, items are added to the first column (Column1). This article explores how to populate data into columns beyond the first one.

Method 1: Using SubItems Property

To add items to columns 2, 3, 4, and so on, you can use the SubItems property of the ListViewItem. Its syntax is:

ListViewItem item = new ListViewItem("Column1Text");
item.SubItems.AddRange(new string[] { "s2", "s3", "s4" });

Here, we create a new ListViewItem object with "Column1Text" as the text for the first column. Then, using the AddRange method, we add items to the subsequent columns as a string array.

Method 2: Using Individual SubItems

Another way is to add sub-items individually using the SubItems collection:

ListViewItem item = new ListViewItem("Something");
item.SubItems.Add("SubItem1a");
item.SubItems.Add("SubItem1b");
item.SubItems.Add("SubItem1c");

This method allows finer control over each sub-item.

Adding Multiple Items

You can add multiple items to the ListView at once using the AddRange method of the Items collection:

ListViewItem item1 = new ListViewItem("Something1");
item1.SubItems.AddRange(new string[] { "s1a", "s1b", "s1c" });

ListViewItem item2 = new ListViewItem("Something2");
item2.SubItems.AddRange(new string[] { "s2a", "s2b", "s2c" });

listView1.Items.AddRange(new ListViewItem[] { item1, item2 });

This approach allows you to populate multiple columns and rows efficiently.

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