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ASP/VB.NET Sub Routine running twice

Posted on 2009-04-01
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Last Modified: 2012-05-06
Can anyone tell me why my sub routine would all of a sudden start running 2 times?

Protected Sub Submitbtn_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles Submitbtn.Click
        Dim con As New System.Data.OleDb.OleDbConnection
        Dim myPath As String
        Dim Today
        Dim TodayDate
 
        Today = Now()
        TodayDate = FormatDateTime(Today, 2)
 
        myPath = Server.MapPath("App_Data/Visions_DB.mdb")
        con.ConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0; Data source=" & myPath & ";"
 
        Dim insCmd As New System.Data.OleDb.OleDbCommand
 
        insCmd.CommandText = "insert into Data (MDY,Employee,Department,Vision_Type,Critical_Success,Present_Method,Proposed_Method,Ats_Number,Drawing_Number,MO_Number,Status,Add_Emp1,Add_Emp2,Add_Emp3,Add_Emp4,Add_Emp5,Add_Emp6,Add_Emp7,Add_Emp8) values('" & _
        TodayDate & "','" & Replace(txtName.SelectedValue, "'", "''") & "','" & Replace(txtdept.Text, "'", "''") & "','" & ddtype.SelectedValue & "','" & ddfactor.SelectedValue & "','" & _
        Replace(txtapres.Text, "'", "''") & "','" & Replace(txtapros.Text, "'", "''") & "','" & Replace(txtats.Text, "'", "''") & "', '" & Replace(txtdrawing.Text, "'", "''") & "','" & _
        Replace(txtmo.Text, "'", "''") & "','" & Replace(txtstatus.Text, "'", "''") & "','" & Replace(emp1.SelectedValue, "'", "''") & "','" & Replace(emp2.SelectedValue, "'", "''") & "','" & Replace(emp3.SelectedValue, "'", "''") & "','" _
        & Replace(emp4.SelectedValue, "'", "''") & "','" & Replace(emp5.SelectedValue, "'", "''") & "','" & Replace(emp6.SelectedValue, "'", "''") & "','" & Replace(emp7.SelectedValue, "'", "''") & "','" & Replace(emp8.SelectedValue, "'", "''") & "')"
 
        insCmd.Connection = con
 
        Dim idCmd As New System.Data.OleDb.OleDbCommand
        'Captures Vision Number
        idCmd.CommandText = "select @@IDENTITY"
 
        idCmd.Connection = con
        con.Open()
        insCmd.ExecuteNonQuery()
        Dim newid As Integer = idCmd.ExecuteScalar()
        con.Close()
 
        Response.Write("<div id=""hideprint"">")
        Response.Write("<h1><font color = Red>Your Vision form has been successfully submitted!!</font></h1>")
        Response.Write("<h2><font color = Red>Your Vision number is " & (newid.ToString) & " </font></h2>")
        Response.Write("<h2><font color = Red>Please print this page for your records.</font></h2>")
        Response.Write("</div>")
 
        'sets Vision # value after clicking submit
        lblvisnum.Text = newid.ToString
 
        'Makes print and close button visible after clicking submit
        btnprint.Visible = True
        btnclose.Visible = True
    End Sub

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Question by:ITHelper80
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6 Comments
 
LVL 15

Expert Comment

by:oobayly
ID: 24039365
The event handler's running twice? Have you manually hooked the event handler as well as using the designer?

ie. does your code contain this:
AddHandler Submitbtn.Click, AddressOf Submitbtn_Click
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LVL 8

Expert Comment

by:JRockFL
ID: 24039386
You can add a break point at Protected Sub to verify that it is actually be hit twice.
Then you can step through the code and see why. You can also check the call stack to what called that method.

Also,
idCmd.CommandText = "select @@IDENTITY"
@@IDENTITY is a SQL Server variable.
In access, you would need to use MAX() or TOP() ?
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LVL 6

Author Comment

by:ITHelper80
ID: 24039391
No it doesnt...Ive stepped through the code and once it hits the end sub command it starts over and I dont see anything that is causing it.
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LVL 8

Accepted Solution

by:
JRockFL earned 500 total points
ID: 24039454
Another option would be to copy all that code to notepage. Delete the button.
Add a new button, double click on it and paste back the code.
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LVL 6

Author Comment

by:ITHelper80
ID: 24039516
Thanks JRockFL that did it.

I wonder why it did that....very frustrating.
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LVL 8

Expert Comment

by:JRockFL
ID: 24039550
No problem. I had to do that when converted a 1.1 web site to 2.0
None of the button click events were hooked up.

I found that recreating it solved the problem.
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