Error sum. How I can fix it?

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1.00/5 (1 vote)

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http://i67.tinypic.com/5kfyo0.jpg

How can i fix that sum. 1+2 = 12 not 3. This my code vb.net

Private Sub btnHitung_Click(sender As Object, e As EventArgs) Handles btnHitung.Click
    txtJumlahB.Text = (txtStokSisa.Text + txtBarangM.Text)
End Sub

thanks before

What I have tried:

i try sum from google search. but i can't find the same wrong with this.

Posted 19-Apr-18 17:09pm

Deny00

Updated 19-Apr-18 17:22pm

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Dave Kreskowiak · Answer 1 · 2018-04-19T17:23:00

Solution 1

TextBox's always return strings, never integers. A string, "1", is not the same as an integer, 1.

You're concatenating two strings together, "1" + "2" = "12".

You have to convert the string to integers in order to add them together. Look into Integer.TryParse()[^] to accomplish that.

Posted 19-Apr-18 17:23pm

Dave Kreskowiak