如何根据具体情况从数据表中选择特定列 [英] how to select particular columns from the data table based on specific condition
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问题描述
先生，
贝娄是我生成pdf报告的代码。在我的ff_fillAddress（）;包括办公地址和住址。我想根据Add_Type =office等条件在我的pdf报告中单独显示这些地址。如果有人知道答案，请帮我找到解决方案
sir,
bellow is my code for generating pdf report.here in my ff_fillAddress(); includes office address and residence address.i want to display these address separately in my pdf report based on condition like Add_Type="office".if any one knows the answer please help me to find the solution
public PdfPTable PdfPTable_Employeeaddressdetails(Document document, PdfWriter writer,string letter)
{
DataTable dt = ff_fillAddress();
////string O = dt.Rows[0]["Add_Type"].ToString();
System.Data.DataView view = new System.Data.DataView(dt);
System.Data.DataTable selected = view.ToTable("Selected", false, dt.Columns[10].ColumnName.ToString(), dt.Columns[3].ColumnName.ToString(), dt.Columns[4].ColumnName.ToString(), dt.Columns[5].ColumnName.ToString(), dt.Columns[6].ColumnName.ToString(), dt.Columns[7].ColumnName.ToString(), dt.Columns[8].ColumnName.ToString(), dt.Columns[9].ColumnName.ToString());
iTextSharp.text.pdf.PdfPTable PdfTableN = new iTextSharp.text.pdf.PdfPTable(selected.Columns.Count);
PdfTableN.WidthPercentage = 90f;
iTextSharp.text.pdf.PdfPCell pcel1 = new PdfPCell(new Phrase(new Chunk("Address Type", textfont)));
pcel1.BackgroundColor = iTextSharp.text.Color.LIGHT_GRAY;
pcel1.HorizontalAlignment = 1;
pcel1.Border = 0;
PdfTableN.AddCell(pcel1);
pcel1 = new PdfPCell(new Phrase(new Chunk("Address1", textfont)));
pcel1.BackgroundColor = iTextSharp.text.Color.LIGHT_GRAY;
pcel1.HorizontalAlignment = 1;
pcel1.Border = 0;
PdfTableN.AddCell(pcel1);
pcel1 = new PdfPCell(new Phrase(new Chunk("Address2", textfont)));
pcel1.BackgroundColor = iTextSharp.text.Color.LIGHT_GRAY;
pcel1.HorizontalAlignment = 1;
pcel1.Border = 0;
PdfTableN.AddCell(pcel1);
pcel1 = new PdfPCell(new Phrase(new Chunk("Address3", textfont)));
pcel1.BackgroundColor = iTextSharp.text.Color.LIGHT_GRAY;
pcel1.HorizontalAlignment = 1;
pcel1.Border = 0;
PdfTableN.AddCell(pcel1);
pcel1 = new PdfPCell(new Phrase(new Chunk("PO Box", textfont)));
pcel1.BackgroundColor = iTextSharp.text.Color.LIGHT_GRAY;
pcel1.HorizontalAlignment = 1;
pcel1.Border = 0;
PdfTableN.AddCell(pcel1);
pcel1 = new PdfPCell(new Phrase(new Chunk("Phone", textfont)));
pcel1.BackgroundColor = iTextSharp.text.Color.LIGHT_GRAY;
pcel1.HorizontalAlignment = 1;
pcel1.Border = 0;
PdfTableN.AddCell(pcel1);
pcel1 = new PdfPCell(new Phrase(new Chunk("Mobile", textfont)));
pcel1.BackgroundColor = iTextSharp.text.Color.LIGHT_GRAY;
pcel1.HorizontalAlignment = 1;
pcel1.Border = 0;
PdfTableN.AddCell(pcel1);
pcel1 = new PdfPCell(new Phrase(new Chunk("Email", textfont)));
pcel1.BackgroundColor = iTextSharp.text.Color.LIGHT_GRAY;
pcel1.HorizontalAlignment = 1;
pcel1.Border = 0;
PdfTableN.AddCell(pcel1);
for (int rowss = 0; rowss < selected.Rows.Count; rowss++)
{
for (int columnn = 0; columnn < selected.Columns.Count; columnn++)
{
iTextSharp.text.pdf.PdfPCell pcel2 = new PdfPCell();
//if (selected.Rows[rowss][columnn].ToString() == letter)
//{
//pcel2 = new PdfPCell(new Phrase(mode, textfont1));
//}
//else
//{
pcel2 = new PdfPCell(new Phrase(new Chunk(selected.Rows[rowss][columnn].ToString(), textfont1)));
//}
pcel2.HorizontalAlignment = 1;
pcel2.Border = 0;
PdfTableN.AddCell(pcel2);
}
}
if (selected.Rows.Count != 0)
{
document.Add(PdfTableN);
}
else
{
Paragraph err = new Paragraph("\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t NA");
document.Add(err);
}
return PdfTableN;
}<pre lang="c#">
推荐答案
hiiiii
i在创建pdf报告时使用此代码，你只需要填充数据表中的数据，就可以轻松复制数据表数据到pdf文件，这里我创建了表格，以及pdf文件中写的数据表中的所有数据，我希望这对你有帮助，回复我
hiiiii
i used this code while creating pdf report , u just need to fill data in datatable ,it is so easy to copy datatable data to pdf file ,here i created table , and all data from datatable written on pdf file , i hope this will helpful for u ,reply me
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Data.Odbc;
//using PdfFileWriter;
using iTextSharp.text;
using iTextSharp.text.pdf;
using iTextSharp;
using iTextSharp.xmp;
using System.Diagnostics;
using System.IO;
namespace ActivityDetails
{
public partial class ProjectwiseReport : Form
{
public ProjectwiseReport()
{
InitializeComponent();
}
OdbcConnection con = new OdbcConnection(Globaldata.ConnectionString);
OdbcCommand cmd = new OdbcCommand();
private void ProjectwiseReport_Load(object sender, EventArgs e)
{
con.Open();
}
private void CreatePdf_Click(object sender, EventArgs e)
{
try
{
Globaldata.SQLQuery = "Select * from ProjectMaster";
DataSet ds = new DataSet();
DataTable datatable = ds.Tables.Add("Table");
cmd.CommandText = Globaldata.SQLQuery;
OdbcDataAdapter da = new OdbcDataAdapter(Globaldata.SQLQuery, con);
da.Fill(ds);
dataGridView1.DataSource = ds.Tables[0];
Document document = new Document();
PdfWriter.GetInstance(document, new FileStream("e:\\abcd.pdf", FileMode.Create)); //???????????
document.Open();
PdfPTable table = new PdfPTable(datatable.Columns.Count);
for (int i = 0; i < datatable.Rows.Count; i++)
{
for (int j = 0; j < datatable.Columns.Count; j++)
{
table.AddCell(new Phrase(datatable.Rows[i][j].ToString()));
}
}
document.Add(table); //??table
document.Close();
MessageBox.Show("pdf created successfully..");
Process p = new Process();
p.StartInfo = new ProcessStartInfo("e:\\abcd.pdf");
p.Start();
}
catch (DocumentException ex)
{
MessageBox.Show("error...");
}
}
}
}
public PdfPTable PdfPTable_Employeeaddressdetails(Document document, PdfWriter writer,string mode,string letter)
{
DataTable dtresult = ff_fillAddress();
var result = from r in dtresult.AsEnumerable()
where r.Field<string>("Add_Type") == letter
select r;
DataTable dt = result.CopyToDataTable();
System.Data.DataView view = new System.Data.DataView(dt);
System.Data.DataTable selected = view.ToTable("Selected", false, dt.Columns[10].ColumnName.ToString(), dt.Columns[3].ColumnName.ToString(), dt.Columns[4].ColumnName.ToString(), dt.Columns[5].ColumnName.ToString(), dt.Columns[6].ColumnName.ToString(), dt.Columns[7].ColumnName.ToString(), dt.Columns[8].ColumnName.ToString(), dt.Columns[9].ColumnName.ToString());
iTextSharp.text.pdf.PdfPTable PdfTableN = new iTextSharp.text.pdf.PdfPTable(selected.Columns.Count);
PdfTableN.WidthPercentage = 90f;
iTextSharp.text.pdf.PdfPCell pcel1 = new PdfPCell(new Phrase(new Chunk("Address Type", textfont)));
pcel1.BackgroundColor = iTextSharp.text.Color.LIGHT_GRAY;
pcel1.HorizontalAlignment = 1;
pcel1.Border = 0;
PdfTableN.AddCell(pcel1);
pcel1 = new PdfPCell(new Phrase(new Chunk("Address1", textfont)));
pcel1.BackgroundColor = iTextSharp.text.Color.LIGHT_GRAY;
pcel1.HorizontalAlignment = 1;
pcel1.Border = 0;
PdfTableN.AddCell(pcel1);
pcel1 = new PdfPCell(new Phrase(new Chunk("Address2", textfont)));
pcel1.BackgroundColor = iTextSharp.text.Color.LIGHT_GRAY;
pcel1.HorizontalAlignment = 1;
pcel1.Border = 0;
PdfTableN.AddCell(pcel1);
pcel1 = new PdfPCell(new Phrase(new Chunk("Address3", textfont)));
pcel1.BackgroundColor = iTextSharp.text.Color.LIGHT_GRAY;
pcel1.HorizontalAlignment = 1;
pcel1.Border = 0;
PdfTableN.AddCell(pcel1);
pcel1 = new PdfPCell(new Phrase(new Chunk("PO Box", textfont)));
pcel1.BackgroundColor = iTextSharp.text.Color.LIGHT_GRAY;
pcel1.HorizontalAlignment = 1;
pcel1.Border = 0;
PdfTableN.AddCell(pcel1);
pcel1 = new PdfPCell(new Phrase(new Chunk("Phone", textfont)));
pcel1.BackgroundColor = iTextSharp.text.Color.LIGHT_GRAY;
pcel1.HorizontalAlignment = 1;
pcel1.Border = 0;
PdfTableN.AddCell(pcel1);
pcel1 = new PdfPCell(new Phrase(new Chunk("Mobile", textfont)));
pcel1.BackgroundColor = iTextSharp.text.Color.LIGHT_GRAY;
pcel1.HorizontalAlignment = 1;
pcel1.Border = 0;
PdfTableN.AddCell(pcel1);
pcel1 = new PdfPCell(new Phrase(new Chunk("Email", textfont)));
pcel1.BackgroundColor = iTextSharp.text.Color.LIGHT_GRAY;
pcel1.HorizontalAlignment = 1;
pcel1.Border = 0;
PdfTableN.AddCell(pcel1);
for (int rowss = 0; rowss < selected.Rows.Count; rowss++)
{
for (int columnn = 0; columnn < selected.Columns.Count; columnn++)
{
iTextSharp.text.pdf.PdfPCell pcel2 = new PdfPCell();
if (selected.Rows[rowss][columnn].ToString() == letter)
{
pcel2 = new PdfPCell(new Phrase(mode, textfont1));
}
else
{
pcel2 = new PdfPCell(new Phrase(new Chunk(selected.Rows[rowss][columnn].ToString(), textfont1)));
}
pcel2.HorizontalAlignment = 1;
pcel2.Border = 0;
PdfTableN.AddCell(pcel2);
}
}
if (selected.Rows.Count != 0)
{
document.Add(PdfTableN);
}
else
{
Paragraph err = new Paragraph("\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t NA");
document.Add(err);
}
return PdfTableN;
}
PdfPTable_Employeeaddressdetails(pdfDoc, writer,"Office","O");
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