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Editorial Team
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Asked: 2026-06-04T03:51:06+00:00

I have code to append value from dropdownlist to the textbox. But I am

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I have code to append value from dropdownlist to the textbox. But I am not certain why this does not display text of any kind in the textbox. 

Try
    ' Add the selected text to the end of the text already in txtExpression textbox
    txtExpression.AppendText(cboOpenParen.SelectedText)
Catch ex As Exception

Finally

End Try
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1 Answer

  1. Editorial Team

    You should not use .SelectedText Property…

    Use the .Text Property….

    Code:

    Try
    ' Add the selected text to the end of the text already in txtExpression textbox
    txtExpression.AppendText(cboOpenParen.Text)
Catch ex As Exception

Finally

End Try
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