如何打印Datagridview在VB中有一个表 | 如何打印Datagridview在VB中有一个表

本文介绍了如何打印Datagridview在VB中有一个表的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！

问题描述

我有一个Datagrid，其中包含从数据库检索的信息，我希望打印输出采用行和列的表格格式。我的实际方法很简单，但输出却非常混乱。有什么想法吗？

  Private Sub Imprimir_Click（发件人作为对象，作为EventArgs）处理Imprimir.Click 
 PrintPreviewDialog1.PrintPreviewControl.Zoom = 1.0 
 PrintPreviewDialog1.FindForm.WindowState = FormWindowState.Maximized 
 PrintPreviewDialog1.ShowDialog（）
 End Sub 
 
 Private Sub PrintDocument1_PrintPage（ByVal sender As System.Object，ByVal e作为
 System.Drawing.Printing.PrintPageEventArgs）处理PrintDocument1.PrintPage 
 Dim y As Integer = 70 
 PrintDocument1.DefaultPageSettings.Landscape = True 
 e.Graphics.DrawString（TransporGest -  Registo deOperações，
新字体（Verdana，10，FontStyle.Bold），Brushes.Black，30，30）
对于每个dr作为DataGridViewRow在dg.Rows 
 e .Graphics.DrawString（dr.Cells（0）.Value&|& dr.Cells（2）.Value& 
|& dr.Cells（3）.Value& |& dr.Cells（4）.Value&|& 
 dr.Cells（6）.Value& |& dr.Cells（7）.Value& |& 
 dr.Cells（9）.Value& |& dr.Cells（11）.Value& |& 
 dr.Cells（12）.Value，New Font（Verdana，10），Brushes.Black，30，y）
y + = 20 
下一个
 End Sub 
结束类

解决方案

添加到表单（设计） Button1 ， PrintDocument1 ， PrintPreviewDialog1 ，您的 - > DataGridView1

并粘贴代码：

  Dim mRow As Integer = 0 
 Dim newpage As Boolean = True 
 Private Sub PrintDocument1_PrintPage（sender As System.Object，e As System.Drawing.Printing.PrintPageEventArgs）处理PrintDocument1.PrintPage 
使用DataGridView1 
 Dim fmt As StringFormat = New StringFormat（StringFormatFlags.LineLimit）
 fmt.LineAlignment = StringAlignment.Center 
 fmt.Trimming = StringTrimming.EllipsisCharacter 
 Dim y As Single = e.MarginBounds.Top 
 Do While mRow< .RowCount 
 Dim row As DataGridViewRow = .Rows（mRow）
 Dim x As Single = e.MarginBounds.Left 
 Dim h As Single = 0 
对于每个单元格作为DataGridViewCell In row.Cells 
 Dim rc As RectangleF = New RectangleF（x，y，cell.Size.Width，cell.Size.Height）
 e.Graphics.DrawRectangle（Pens.Black，rc.Left，rc然后
 e.Graphics.DrawString（DataGridView1.Columns（cell.ColumnIndex）.HeaderText，.Font，Brushes.Black，rc， fmt）
 Else 
 e.Graphics.DrawString（DataGridView1.Rows（cell.RowIndex）.Cells（cell.ColumnIndex）.FormattedValue.ToString（），.Font，Brushes.Black，rc，fmt） 
 End If 
x + = rc.Width 
h = Math.Max（h，rc.Height）
下一个
 newpage = False 
y + = h 
 mRow + = 1 
如果y + h> e.MarginBounds.Bottom然后
 e.HasMorePages = True 
 mRow  -  = 1 
 newpage = True 
退出Sub 
结束如果
循环
 mRow = 0 
结束
 End Sub 
 
私有子按钮1_Click（发件人as System.Object，e As System.EventArgs）处理Button3.Click 
 PrintPreviewDialog1。 Document = PrintDocument1 
 PrintPreviewDialog1.ShowDialog（）
 End Sub

I have a Datagrid with information retrieved from a database and i would like the print output to be in table format with lines and columns. My actual methode is simple but the output is very confusing. Any thoughts?

  Private Sub Imprimir_Click(sender As Object, e As EventArgs) Handles Imprimir.Click
    PrintPreviewDialog1.PrintPreviewControl.Zoom = 1.0
    PrintPreviewDialog1.FindForm.WindowState = FormWindowState.Maximized
    PrintPreviewDialog1.ShowDialog()
  End Sub

  Private Sub PrintDocument1_PrintPage(ByVal sender As System.Object, ByVal e As
      System.Drawing.Printing.PrintPageEventArgs) Handles PrintDocument1.PrintPage
      Dim y As Integer = 70
      PrintDocument1.DefaultPageSettings.Landscape = True
      e.Graphics.DrawString("TransporGest - Registo de Operações",
          New Font("Verdana", 10, FontStyle.Bold), Brushes.Black, 30, 30)
      For Each dr As DataGridViewRow In dg.Rows
        e.Graphics.DrawString(dr.Cells(0).Value & " | " & dr.Cells(2).Value &
             " | " & dr.Cells(3).Value & " | " & dr.Cells(4).Value & " | " &
             dr.Cells(6).Value & " | " & dr.Cells(7).Value & " | " &
             dr.Cells(9).Value & " | " & dr.Cells(11).Value & " | " &
             dr.Cells(12).Value, New Font("Verdana", 10), Brushes.Black, 30, y)
        y += 20
    Next
  End Sub
End Class

解决方案

Add to Form(Design) Button1, PrintDocument1 ,PrintPreviewDialog1 , your -> DataGridView1

and paste the code:

Dim mRow As Integer = 0
Dim newpage As Boolean = True
Private Sub PrintDocument1_PrintPage(sender As System.Object, e As System.Drawing.Printing.PrintPageEventArgs) Handles PrintDocument1.PrintPage
    With DataGridView1
        Dim fmt As StringFormat = New StringFormat(StringFormatFlags.LineLimit)
        fmt.LineAlignment = StringAlignment.Center
        fmt.Trimming = StringTrimming.EllipsisCharacter
        Dim y As Single = e.MarginBounds.Top
        Do While mRow < .RowCount
            Dim row As DataGridViewRow = .Rows(mRow)
            Dim x As Single = e.MarginBounds.Left
            Dim h As Single = 0
            For Each cell As DataGridViewCell In row.Cells
                Dim rc As RectangleF = New RectangleF(x, y, cell.Size.Width, cell.Size.Height)
                e.Graphics.DrawRectangle(Pens.Black, rc.Left, rc.Top, rc.Width, rc.Height)
                If (newpage) Then
                    e.Graphics.DrawString(DataGridView1.Columns(cell.ColumnIndex).HeaderText, .Font, Brushes.Black, rc, fmt)
                Else
                    e.Graphics.DrawString(DataGridView1.Rows(cell.RowIndex).Cells(cell.ColumnIndex).FormattedValue.ToString(), .Font, Brushes.Black, rc, fmt)
                End If
                x += rc.Width
                h = Math.Max(h, rc.Height)
            Next
            newpage = False
            y += h
            mRow += 1
            If y + h > e.MarginBounds.Bottom Then
                e.HasMorePages = True
                mRow -= 1
                newpage = True
                Exit Sub
            End If
        Loop
        mRow = 0
    End With
End Sub

Private Sub Button1_Click(sender As System.Object, e As System.EventArgs) Handles Button3.Click
    PrintPreviewDialog1.Document = PrintDocument1
    PrintPreviewDialog1.ShowDialog()
End Sub

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