打印DATAgridview所见即所得

Public Class dayreport1

Inherits System.Windows.Forms.Form

Private TableFont As New Font("宋体", 9) '当前要打印文本的字体及字号

Private HeadFont As New Font("黑体", 12, FontStyle.Underline) '表头字体

Private SubHeadFont As New Font("楷体_GB2312", 10, FontStyle.Regular) '副表头字体

Private HeadText As String '表头文字

Private SubHeadLeftText As String '副表头左文字

Private SubHeadRightText As String '副表头右文字

Private HeadHeight As Integer = 40 '表头高度

Private SubHeadHeight As Integer = 30 '副表头高度

Private FootFont As New Font("黑体", 12, FontStyle.Underline) '表脚字体

Private SubFootFont As New Font("楷体_GB2312", 10, FontStyle.Regular) '副表脚字体

Private FootText As String '表脚文字

Private SubFootLeftText As String '副表脚左文字

Private SubfootRightText As String

Private FootHeight As Integer = 40 '表脚高度

Private SubFootHeight As Integer = 30 '副表脚高度

Dim X_unit As Integer '表的基本单位

Dim Y_unit As Integer = TableFont.Height * 2.5

'以下为模块内部使用

Private ev As Printing.PrintPageEventArgs

Private DataGridColumn As DataColumn

Private DataGridRow As DataRow

Private DataTable1 As DataTable

Private Cols As Integer '当前要打印的列

Private Rows As Integer = 0 '当前要打印的行

Private ColsCount As Integer '当前DATAGRID共有多少列

Private PrintingLineNumber As Integer = 0 '当前正要打印的行号

Private PageRecordNumber As Integer '当前要所要打印的记录行数,由计算得到.

Private PrintingPageNumber As Integer = 0 '正要打印的页号

Private PageNumber As Integer '共需要打印的页数

Private PrintRecordLeave As Integer '当前还有多少页没有打印

Private PrintRecordComplete As Integer = 0 '已经打印完的记录数

Private Pleft As Integer

Private Ptop As Integer

Private Pright As Integer

Private Pbottom As Integer

Private Pwidth As Integer

Private Pheigh As Integer

Private DrawBrush As New SolidBrush(System.Drawing.Color.Black) '当前画笔颜色

Private PrintRecordNumber As Integer '每页打印的记录条数

Private Totalpage As Integer '总共应该打印的页数

'用户自定义字体及字号

Public WriteOnly Property SetTableFont() As System.Drawing.Font

Set(ByVal Value As System.Drawing.Font)

TableFont = Value

End Set

End Property

Public WriteOnly Property SetHeadFont() As System.Drawing.Font

Set(ByVal Value As System.Drawing.Font)

HeadFont = Value

End Set

End Property

Public WriteOnly Property SetSubHeadFont() As System.Drawing.Font

Set(ByVal Value As System.Drawing.Font)

SubHeadFont = Value

End Set

End Property

Public WriteOnly Property SetFootFont() As System.Drawing.Font

Set(ByVal Value As System.Drawing.Font)

FootFont = Value

End Set

End Property

Public WriteOnly Property SetSubFootFont() As System.Drawing.Font

Set(ByVal Value As System.Drawing.Font)

SubFootFont = Value

End Set

End Property

Public WriteOnly Property SetHeadText() As String

Set(ByVal Value As String)

HeadText = Value

End Set

End Property

Public WriteOnly Property SetSubHeadLeftText() As String

Set(ByVal Value As String)

SubHeadLeftText = Value

End Set

End Property

Public WriteOnly Property SetSubHeadRightText() As String

Set(ByVal Value As String)

SubHeadRightText = Value

End Set

End Property

Public WriteOnly Property SetFootText() As String

Set(ByVal Value As String)

FootText = Value

End Set

End Property

Public WriteOnly Property SetSubFootLeftText() As String

Set(ByVal Value As String)

SubFootLeftText = Value

End Set

End Property

Public WriteOnly Property SetSubFootRightText() As String

Set(ByVal Value As String)

SubfootRightText = Value

End Set

End Property

Public WriteOnly Property SetHeadHeight() As Integer

Set(ByVal Value As Integer)

HeadHeight = Value

End Set

End Property

Public WriteOnly Property SetSubHeadHeight() As Integer

Set(ByVal Value As Integer)

SubHeadHeight = Value

End Set

End Property

Public WriteOnly Property SetFootHeight() As Integer

Set(ByVal Value As Integer)

FootHeight = Value

End Set

End Property

Public WriteOnly Property SetSubFootHeight() As Integer

Set(ByVal Value As Integer)

SubFootHeight = Value

End Set

End Property

Public WriteOnly Property SetCellHeight() As Integer

Set(ByVal Value As Integer)

Y_unit = Value

End Set

End Property

Public Sub Print()

'Try

PrintDocument1 = New Printing.PrintDocument

AddHandler PrintDocument1.PrintPage, AddressOf Me.PrintDocument1_PrintPage

Dim PageSetup As PageSetupDialog

PageSetup = New PageSetupDialog

PageSetup.Document = PrintDocument1

PrintDocument1.DefaultPageSettings = PageSetup.PageSettings

If PageSetup.ShowDialog() = Windows.Forms.DialogResult.Cancel Then

Exit Sub

End If

Pleft = PrintDocument1.DefaultPageSettings.Margins.Left

Ptop = PrintDocument1.DefaultPageSettings.Margins.Top

Pright = PrintDocument1.DefaultPageSettings.Margins.Right

Pbottom = PrintDocument1.DefaultPageSettings.Margins.Bottom

Pwidth = PrintDocument1.DefaultPageSettings.Bounds.Width

Pheigh = PrintDocument1.DefaultPageSettings.Bounds.Height

'将当前页分成基本的单元

X_unit = (Pwidth - Pleft - Pright) / DataTable1.Columns.Count - 1

PrintRecordNumber = (Pheigh - Ptop - Pbottom - HeadHeight - SubHeadHeight - FootHeight - SubFootHeight - Y_unit) \ Y_unit

If DataTable1.Rows.Count > PrintRecordNumber Then

If DataTable1.Rows.Count Mod PrintRecordNumber = 0 Then

Totalpage = DataTable1.Rows.Count \ PrintRecordNumber

Else

Totalpage = DataTable1.Rows.Count \ PrintRecordNumber + 1

End If

Else

Totalpage = 1

End If

PrintDocument1.DocumentName = Totalpage.ToString

Dim PrintPriview As PrintPreviewDialog

PrintPriview = New PrintPreviewDialog

PrintPriview.Document = PrintDocument1

PrintPriview.WindowState = FormWindowState.Maximized

PrintPriview.ShowDialog()

'Catch ex As Exception

' MsgBox("打印错误，请检查打印设置！", 16, "错误")

'End Try

End Sub

Private Sub PrintDocument1_PrintPage(ByVal sender As Object, ByVal ev As System.Drawing.Printing.PrintPageEventArgs)

'Dim row_count As Integer '当前要打印的行

PrintRecordLeave = DataTable1.Rows.Count - PrintRecordComplete '还有多少条记录没有打印

If PrintRecordLeave > 0 Then

If PrintRecordLeave Mod PrintRecordNumber = 0 Then

PageNumber = PrintRecordLeave \ PrintRecordNumber

Else

PageNumber = PrintRecordLeave \ PrintRecordNumber + 1

End If

Else

PageNumber = 0

End If

'正在打印的页数

PrintingPageNumber = 0 '因为每打印一个新页都要计算还有多少页没有打印所以以打印的页数初始为0

'计算,余下的记录条数是否还可以在一页打印,不满一页时为假

If DataTable1.Rows.Count - PrintingPageNumber * PrintRecordNumber >= PrintRecordNumber Then

PageRecordNumber = PrintRecordNumber

Else

PageRecordNumber = (DataTable1.Rows.Count - PrintingPageNumber * PrintRecordNumber) Mod PrintRecordNumber

End If

Dim fmt As New StringFormat

fmt.LineAlignment = StringAlignment.Center '上下对齐

fmt.FormatFlags = StringFormatFlags.LineLimit '自动换行

Dim Rect As New Rectangle '打印区域

Dim Pen As New Pen(Brushes.Black, 1) '打印表格线格式

While PrintingPageNumber <= PageNumber

fmt.Alignment = StringAlignment.Center '表头中间对齐

Rect.Width = Pwidth - Pleft - Pright '表头和副表头宽度等于设置区域宽度

Rect.Height = HeadHeight

Rect.X = Pleft

Rect.Y = Ptop

ev.Graphics.DrawString(HeadText, HeadFont, Brushes.Black, RectangleF.op_Implicit(Rect), fmt) '打印表头

fmt.Alignment = StringAlignment.Near '副表头左对齐

Rect.Width = (Pwidth - Pleft - Pright) / 2 - 1

Rect.Height = SubHeadHeight

Rect.Y = Ptop + HeadHeight

ev.Graphics.DrawString(SubHeadLeftText, SubHeadFont, Brushes.Black, RectangleF.op_Implicit(Rect), fmt) '打印副表头左

fmt.FormatFlags = StringFormatFlags.DirectionRightToLeft '右副表头文字从右往左排列

fmt.Alignment = StringAlignment.Near '右副表头右对齐

Rect.X = Pleft + (Pwidth - Pleft - Pright) / 2

ev.Graphics.DrawString(SubHeadRightText, SubHeadFont, Brushes.Black, RectangleF.op_Implicit(Rect), fmt) '打印副表头右

fmt.Alignment = StringAlignment.Center

Rect.X = Pleft

Rect.Y = Ptop + HeadHeight + SubHeadHeight + (PrintRecordNumber + 1) * (Y_unit) + SubFootHeight

Rect.Height = FootHeight

Rect.Width = Pwidth - Pleft - Pright

ev.Graphics.DrawString(FootText, FootFont, Brushes.Black, RectangleF.op_Implicit(Rect), fmt) '打印表脚

fmt.Alignment = StringAlignment.Far '副表左左对齐

Rect.X = Pleft

Rect.Y = Ptop + HeadHeight + SubHeadHeight + (PrintRecordNumber + 1) * (Y_unit)

Rect.Height = SubFootHeight

Rect.Width = (Pwidth - Pleft - Pright) / 2 - 1

ev.Graphics.DrawString(SubFootLeftText, SubFootFont, Brushes.Black, RectangleF.op_Implicit(Rect), fmt) '打印左表脚

fmt.Alignment = StringAlignment.Near '副表头右对齐

Rect.X = Pleft + (Pwidth - Pleft - Pright) / 2

If DataTable1.Rows.Count = 0 Then

SubfootRightText = "第" & Totalpage & "页，共" & Totalpage & "页"

Else

SubfootRightText = "第" & Totalpage - PageNumber + 1 & "页，共" & Totalpage & "页"

End If

ev.Graphics.DrawString(SubfootRightText, SubFootFont, Brushes.Black, RectangleF.op_Implicit(Rect), fmt) '打印右表脚

'得到datatable的所有列名

fmt.Alignment = StringAlignment.Center

Dim ColumnText(DataTable1.Columns.Count) As String

'Dim Table As Integer

For Cols = 0 To DataTable1.Columns.Count - 1

ColumnText(Cols) = DataTable1.Columns(Cols).ToString '得到当前所有的列名

Rect.X = Pleft + X_unit * Cols

Rect.Y = Ptop + HeadHeight + SubHeadHeight

Rect.Width = X_unit

Rect.Height = Y_unit

ev.Graphics.DrawString(ColumnText(Cols), New Font(TableFont, FontStyle.Bold), DrawBrush, RectangleF.op_Implicit(Rect), fmt)

ev.Graphics.DrawRectangle(Pen, Rect)

Next

'结束---------------------得到datatable的所有列名

Dim PrintingLine As Integer = 0 '当前页面已经打印的记录行数

While PrintingLine < PageRecordNumber

DataGridRow = DataTable1.Rows(PrintRecordComplete) '确定要当前要打印的记录的行号

For Cols = 0 To DataTable1.Columns.Count - 1

Rect.X = Pleft + X_unit * Cols

Rect.Y = Ptop + HeadHeight + SubHeadHeight + (PrintingLine + 1) * (Y_unit)

Rect.Width = X_unit

Rect.Height = Y_unit

If DataGridRow(ColumnText(Cols)) Is System.DBNull.Value = False Then

ev.Graphics.DrawString(DataGridRow(ColumnText(Cols)), TableFont, DrawBrush, RectangleF.op_Implicit(Rect), fmt)

End If

ev.Graphics.DrawRectangle(Pen, Rect)

Next

PrintingLine += 1

PrintRecordComplete += 1

If PrintRecordComplete >= DataTable1.Rows.Count Then

ev.HasMorePages = False

PrintRecordComplete = 0

Exit Sub

End If

End While

PrintingPageNumber += 1

If PrintingPageNumber >= PageNumber Then

ev.HasMorePages = False

Else

ev.HasMorePages = True

Exit While

End If

End While

End Sub

''' <summary>

''' '''''''''''''''''''''以上为打印代码

''' </summary>

''' <remarks></remarks>

'''

Private sqlconn As String = "......." '''''''用的SQLServer自己写了

Private conn As New SqlClient.SqlConnection(sqlconn)

Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click

Dim s = queryqll()

End Sub

Public Function queryqll() As String

conn = New SqlClient.SqlConnection(sqlconn)

Dim CommandText = "select * from tablename " ''''查询一个表吧

Dim myCommand As New SqlClient.SqlDataAdapter(CommandText, conn)

Dim ds As New DataSet()

myCommand.Fill(ds, "T1")

DataGrid1.DataSource = ds.Tables("T1")

DataGrid1.ReadOnly = True ''''datagridview 让他只读



Return 1

End Function

Private Sub dayreport_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load

Dim s = queryqll()

End Sub

Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click

'''''这是触发的打印按钮

DataTable1 = DataGrid1.DataSource

HeadText = "表头不能只有身体啊！"

Call Print()

'''''别忘了 拉个 printdocument 下来

End Sub

End Class