[英]How to print and print preview dialog box display?
我为大学创建了一个Web应用程序。 我想在学生的打印结果中添加打印和打印预览按钮。 哪些类用于打印表格?
我的打印和打印预览按钮编码如下:
protected void btnprint_Click(object sender, EventArgs e)
{
if (this.gridcontrol != null)
{
GridPrintDocument gpd = new GridPrintDocument(this.gridcontrol, true);
PrintDialog pritdlg = new PrintDialog();
pritdlg.Document = gpd;
if (pritdlg.ShowDialog() == DialogResult.OK)
gpd.Print();
}
else
{
lblstatus.Text="An error occurred attempting to print the grid ";
}
}
protected void btnprntprew_Click(object sender, EventArgs e)
{
if (this.gridcontrol != null)
{
//Uses the default printer.
GridPrintDocument gpd = new GridPrintDocument(this.gridcontrol, true);
PrintPreviewDialog pripredlg = new PrintPreviewDialog();
pripredlg.Document = gpd;
pripredlg.ShowDialog();
}
else
{
lblstatus.Text = "An error occurred attempting to preview the grid ";
}
}
当您将问题标记为C#时,在C#中,printDialog和printPreviewDialog是执行代码的选项。
private void printDocument1_PrintPage(object sender, System.Drawing.Printing.PrintPageEventArgs e)
{
e.Graphics.DrawString(richTextBox1.Text, richTextBox1.Font, Brushes.Black, 100, 20); //richtextbox1 contains what you want to print
e.Graphics.PageUnit = GraphicsUnit.Inch;
}
private void btnPrint_Click(object sender, EventArgs e)
{
//PrintDialog associate with PrintDocument;
printDialog1.Document = printDocument1;
if (printDialog1.ShowDialog()==DialogResult.OK)
{
printDocument1.Print();
}
}
private void btnPrintPreview_Click(object sender, EventArgs e)
{
//Associate PrintPreviewDialog with PrintDocument.
printPreviewDialog1.Document = printDocument1;
// Show PrintPreview Dialog
printPreviewDialog1.ShowDialog();
}
您是否可以在Asp.net上看到本教程
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