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How to retrieve the selected value from the Select tag in WinForms HTMLUIControl?
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Select tag in HTMLUI
We can retrieve the selected value from the Select tag by retrieving the SelectedItem property of the SELECTElementImpl''s embedded CustomControl.
C#
private void button1_Click(object sender, EventArgs e) { SELECTElementImpl htmlElement = (SELECTElementImpl)this.htmluiControl1.Document.GetElementByUserId("Select1"); ListBox list = htmlElement.UserControl.CustomControl as ListBox; this.textBox1.Text = (string)list.SelectedItem; }
VB
Private Sub button1_Click(ByVal sender As Object, ByVal e As EventArgs) Handles button1.Click Dim htmlElement As SELECTElementImpl = CType(Me.htmluiControl1.Document.GetElementByUserId("Select1"), SELECTElementImpl) Dim list As ListBox = TryCast(htmlElement.UserControl.CustomControl, ListBox) Me.textBox1.Text = CStr(list.SelectedItem) End Sub
Reference link: https://help.syncfusion.com/windowsforms/html-viewer/html-tags#select---select-tag