How do I select a ComboBox item in C#?

The following code snippet finds a string in a ComboBox and selects it if found.

1. private void FindButton_Click(object sender, EventArgs e)
2. {
3. int index = comboBox1.FindString(textBox1.Text);
4. if (index < 0)
5. {
6. MessageBox.Show(“Item not found.” );
7. textBox1.Text = String.Empty;
8. }

How do I select the first item in a ComboBox in VB net?

Much simpler solution, Select the Combo-box, and in the option of Selected item, select the item index (0 for the first item) and set it to be the default value in the combo box.

How do I select items in ComboBox?

Daniil

1. ComboBox1. SelectedItem. Text = “Item2”; it sets ComboBox value to “item2”, not just its text. You should select an item by its index or value, i.e:
2. this. ComboBox1. SelectedIndex = 1; or.
3. this. ComboBox1. SelectedItem. Value = “2”; Example.

How do you set the selected item in a ComboBox?

When you set the SelectedItem property to an object, the ComboBox attempts to make that object the currently selected one in the list. If the object is found in the list, it is displayed in the edit portion of the ComboBox and the SelectedIndex property is set to the corresponding index.

What is used to set the selected item in ComboBox widget?

Using an enum to fill a combo box allows for easy use of the SelectedItem method to programmatically select items in the combobox as well as loading and reading from the combobox.

How do I get the selected item Index in a combobox?

You can get your item index by the .Items.IndexOf () method. Try this: You don’t need to iterate. You can find more information in Stack Overflow question How do I set the selected item in a comboBox to match my string using C#?. Show activity on this post. The following is working for me perfectly.

How to set one item as default item in combobox?

I have few items on my ComboBox items collection, and i’d like to select one item from this list and set it as default item – when app starts – this item is already on comboBox. In mylist are 3 items, Printer1, Printer2, Printer3. All are added in ComboBox Properties -> Items -> Collection

How do I select the last item in a combobox?

If you have two items in your list, and you want to select the last item, use SelectedIndex = 1. This means that your selectedindex is out of the range of the array of items in the combobox. The array of items in your combo box is zero-based, so if you have 2 items, it’s item 0 and item 1.

What is combobox in Windows Forms?

C# ComboBox is a combination of a TextBox and a ListBox control. Only one list item is displayed at one time in a ComboBox and other available items are loaded in a drop down list. In this article, you’ll learn how to implement and use a ComboBox in C# and Windows Forms.