Converting string to integer
I have a textbox which the user will enter a number into. I then have a label control which will perform a maths operation and write out the resulting answer; atleast this is whant I want anyway however this is not happening.
The code I have so far is
1 Protected Sub btnWork_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles btnWork.Click
2
3 Dim Work As Integer
4 Work = txtWorkSet
5 lblS.Text = ("Work * 0.4" & " kg").ToString
6
7 End SubI get an error under the txtWorkSet saying that it cannot be converted to integer.
I have also tried:
1 Protected Sub btnWork_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles btnWork.Click
2
3 Dim Work As Integer
4
5 Work = Convert.ToInt32(txtWorkSet)
6 lblS.Text = ("Work * 0.4" & " kg").ToString
7
8 End SubBut this doesn't work either, what am I doing wrong/pointer in the right direction would be appreciated.
Thanks
MCAD
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Mailliw
1/22/2009 11:43:48 AM
asp.net.visual-basic.net
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1 Protected Sub btnWork_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles btnWork.Click
2
3 Dim Work As Integer
4
5 Work = Convert.ToInt32(txtWorkSet) * 0.4
6 lblS.Text = Work.ToString() & " kg"
7
8 End Sub
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rtpHarry
1/22/2009 1:10:33 PM
Thanks I managed to figure it out myself aswell in the time it took for the post to appear but my way is different to what you have written:
1 Protected Sub btnS_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles btnS.Click 2 Dim WorkS As Integer 3 WorkS = txtS.Text 4 lblS.Text = (WorkS * 0.4 & " kg").ToString 5 lblS1.Text = (WorkS * 0.6 & " kg").ToString 6 lblS2.Text = (WorkS * 0.8 & " kg").ToString 7 lblSW.Text = (WorkS & " kg").ToString 8 End SubAre they both as good as each other? Or does one have advantages over the other?
MCAD
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Mailliw
1/22/2009 1:13:47 PM
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