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Multiple pate PrintDocument with a DataTable

Posted on 2009-04-08
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Last Modified: 2012-05-06
I have a VERY simple report to develop and thought that developing it would be very simple.  Unfortunately just the opposite has turned out to be true because I am unfamiliar with the PrintDocument object.

I retrieve a DataReader from the database and Loop through the records.  Each record I want to add a line to the report.  With each line I add a specific about of space which actually prints well.  The problem is that the code prints on one page,each page on top of the other.  

BTW, I am always open to a BETTER way if the PrintDocument is not how I should be doing simple reports.

Thanks in advance,

db
Private Sub pdReport_PrintPage(ByVal sender As System.Object, ByVal e As System.Drawing.Printing.PrintPageEventArgs) Handles pdReport.PrintPage
 
        'Get the data
        Dim cn As New OleDbConnection(ConfigurationManager.ConnectionStrings("TheConnection").ConnectionString)
        cn.Open()
        Dim cm As New OleDbCommand("Select Name,City,State from Suppliers", cn)
        cm.CommandType = CommandType.StoredProcedure
        Dim rdr As OleDbDataReader = cm.ExecuteReader
        'Set the starting vertical location for printing
        Dim y As Integer = 55
        'Loop through the records
        Do While rdr.Read
            'Print each column at the specific location
            e.Graphics.DrawString(rdr.Item("Name").ToString, printFont, Brushes.Black, 100, y + 15)
            e.Graphics.DrawString(rdr.Item("City").ToString, printFont, Brushes.Black, 250, y + 15)
            e.Graphics.DrawString(rdr.Item("State").ToString, printFont, Brushes.Black, 425, y + 15)
            'Increment y so the next line will print after the current line
            y += 15
            'Evaluate y to see if a new page is needed
            If y >= 1000 Then
                e.HasMorePages = True
                'Reset where y starts 
                y = 55
            End If
        Loop
        'No more records end the document
        e.HasMorePages = False
End Sub

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Question by:dbote
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5 Comments
 
LVL 96

Accepted Solution

by:
Bob Learned earned 250 total points
ID: 24103090
The PrintPage event is called for each page of the PrintDocument.  You can't have local instances of counter variables, data readers, etc.  They need to be defined outside, at the module-level.
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Expert Comment

by:CodeCruiser
ID: 24105294
>BTW, I am always open to a BETTER way if the PrintDocument is not how I should be doing simple reports.

If reports is what you are doing then why not use the Crystal Reports which come built in with the .NET?
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Author Comment

by:dbote
ID: 24106287
I'm guessing that you are suggesting the ReportViewer control?
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Assisted Solution

by:CodeCruiser
CodeCruiser earned 250 total points
ID: 24106357
The ReportViewer control displays reports but first you would need to design them.
Some links

http://www.codeproject.com/KB/cs/Crystal_Report.aspx
http://www.vbdotnetheaven.com/Articles/ArticleListing.aspx?SectionID=2&SubSectionID=105
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Author Closing Comment

by:dbote
ID: 31567950
I appreciate the help, thank you.
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