How to select the item through index in WinForms SfComboBox?

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You can select the combobox item based on the index value of WinForms SfComboBox control by using SelectedIndex property. You can also select the item using SelectedItem property. Refer the below code for your reference.

List<State> list = GetData();
SfComboBox sfComboBox1 = new SfComboBox();
sfComboBox1.Size = new Size(150, 28);
sfComboBox1.Location = new Point(138, 56);
sfComboBox1.DataSource = list;
 
//Bind the Display member and Value member to the data source
sfComboBox1.DisplayMember = "DispValue";
sfComboBox1.ValueMember = "SfValue";
sfComboBox1.ComboBoxMode = Syncfusion.WinForms.ListView.Enums.ComboBoxMode.SingleSelection;
sfComboBox1.AutoCompleteMode = AutoCompleteMode.SuggestAppend;
sfComboBox1.AutoCompleteSuggestMode = Syncfusion.WinForms.ListView.Enums.AutoCompleteSuggestMode.Contains;
sfComboBox1.MaxDropDownItems = 10;
 
//Select the item based on index
sfComboBox1.SelectedIndex = list[1].SfValue;
 
//Select the item based on item
sfComboBox1.SelectedItem = list[1];
this.Controls.Add(sfComboBox1);

Dim list As List(Of State) = GetData()
Dim sfComboBox1 As New SfComboBox()
sfComboBox1.Size = New Size(150, 28)
sfComboBox1.Location = New Point(138, 56)
sfComboBox1.DataSource = list
 
'Bind the Display member and Value member to the data source
sfComboBox1.DisplayMember = "DispValue"
sfComboBox1.ValueMember = "SfValue"
sfComboBox1.ComboBoxMode = Syncfusion.WinForms.ListView.Enums.ComboBoxMode.SingleSelection
sfComboBox1.AutoCompleteMode = AutoCompleteMode.SuggestAppend
sfComboBox1.AutoCompleteSuggestMode = Syncfusion.WinForms.ListView.Enums.AutoCompleteSuggestMode.Contains
sfComboBox1.MaxDropDownItems = 10
 
'Select the item based on index
sfComboBox1.SelectedIndex = list(1).SfValue
 
'Select the item based on item
sfComboBox1.SelectedItem = list(1)
Me.Controls.Add(sfComboBox1)

Output:

Select the item based on the index in SfComboBox

Sample: View sample in GitHub.

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How to select the item through index in WinForms SfComboBox?

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