Add Repeating Column In PDF Document

In this tutorial, we are going to learn how to add a repeating column in PDF document using Aspose.PDF for .NET. We will explain the source code in C# step by step. At the end of this tutorial, you will know how to create a table with a repeating column in a PDF document. Let’s start!

Step 1: Setting up the environment

First, make sure you’ve set up your C# development environment with Aspose.PDF for .NET. Add the reference to the library and import the necessary namespaces.

Step 2: Creating the PDF document

In this step, we create a new PDF document.

Document doc = new Document();
Page page = doc.Pages.Add();

We have created an empty PDF document where we can add content.

Step 3: Creating the tables

In this step we create a main table (outerTable) and a nested table (mytable) which will be repeated in the column.

Table outerTable = new Table();
outerTable.ColumnWidths = "100%";
outerTable.HorizontalAlignment = HorizontalAlignment.Left;

Table mytable = new Table();
mytable.Broken = TableBroken.VerticalInSamePage;
mytable.ColumnAdjustment = ColumnAdjustment.AutoFitToContent;

We specified table properties such as column width and nested table break mode.

Step 4: Adding the tables to the document

Now we add the created tables to the PDF document.

page.Paragraphs.Add(outerTable);
var bodyRow = outerTable.Rows.Add();
var bodyCell = bodyRow.Cells.Add();
bodyCell.Paragraphs.Add(mytable);
mytable.RepeatingColumnsCount = 5;
page.Paragraphs.Add(mytable);

We first add the main table (outerTable) to the PDF document. Next, we add the nested table (mytable) as a paragraph in a cell in the main table. We also specify the number of repeated columns for mytable (in this example, 5 columns).

Step 5: Adding headers and lines

Now we add the headers and rows to the table.

Row headerRow = mytable.Rows.Add();
headerRow.Cells.Add("header 1");
headerRow.Cells.Add("header 2");
headerRow.Cells.Add("header 3");
// ...
// Add other headers here

for (int RowCounter = 0; RowCounter <= 5; RowCounter++)
{
     Row row1 = mytable.Rows.Add();
     row1.Cells.Add("col " + RowCounter.ToString() + ", 1");
     row1.Cells.Add("col " + RowCounter.ToString() + ", 2");
     row1.Cells.Add("col " + RowCounter.ToString() + ", 3");
     // ...
     // Add the other columns here
}

We first add the headers to the first row of the table (headerRow). Then we add the rows of data from a loop. In this example, we add 6 rows of data.

Step 6: Saving the PDF document

Finally, we save the PDF document to the specified file.

string outFile = dataDir + "AddRepeatingColumn_out.pdf";
doc.Save(outFile);

Make sure to specify the correct directory and filename to save the output PDF file.

Example source code for add repeating column using Aspose.PDF for .NET

// The path to the documents directory.
string dataDir = "YOUR DOCUMENT DIRECTORY";

string outFile = dataDir + "AddRepeatingColumn_out.pdf";
// Create a new document
Document doc = new Document();
Aspose.Pdf.Page page = doc.Pages.Add();

// Instantiate an outer table that takes up the entire page
Aspose.Pdf.Table outerTable = new Aspose.Pdf.Table();
outerTable.ColumnWidths = "100%";
outerTable.HorizontalAlignment = HorizontalAlignment.Left;

// Instantiate a table object that will be nested inside outerTable that will break inside the same page
Aspose.Pdf.Table mytable = new Aspose.Pdf.Table();
mytable.Broken = TableBroken.VerticalInSamePage;
mytable.ColumnAdjustment = ColumnAdjustment.AutoFitToContent;

// Add the outerTable to the page paragraphs
// Add mytable to outerTable
page.Paragraphs.Add(outerTable);
var bodyRow = outerTable.Rows.Add();
var bodyCell = bodyRow.Cells.Add();
bodyCell.Paragraphs.Add(mytable);
mytable.RepeatingColumnsCount = 5;
page.Paragraphs.Add(mytable);

// Add header Row
Aspose.Pdf.Row row = mytable.Rows.Add();
row.Cells.Add("header 1");
row.Cells.Add("header 2");
row.Cells.Add("header 3");
row.Cells.Add("header 4");
row.Cells.Add("header 5");
row.Cells.Add("header 6");
row.Cells.Add("header 7");
row.Cells.Add("header 11");
row.Cells.Add("header 12");
row.Cells.Add("header 13");
row.Cells.Add("header 14");
row.Cells.Add("header 15");
row.Cells.Add("header 16");
row.Cells.Add("header 17");

for (int RowCounter = 0; RowCounter <= 5; RowCounter++)

{
	// Create rows in the table and then cells in the rows 
	Aspose.Pdf.Row row1 = mytable.Rows.Add();
	row1.Cells.Add("col " + RowCounter.ToString() + ", 1");
	row1.Cells.Add("col " + RowCounter.ToString() + ", 2");
	row1.Cells.Add("col " + RowCounter.ToString() + ", 3");
	row1.Cells.Add("col " + RowCounter.ToString() + ", 4");
	row1.Cells.Add("col " + RowCounter.ToString() + ", 5");
	row1.Cells.Add("col " + RowCounter.ToString() + ", 6");
	row1.Cells.Add("col " + RowCounter.ToString() + ", 7");
	row1.Cells.Add("col " + RowCounter.ToString() + ", 11");
	row1.Cells.Add("col " + RowCounter.ToString() + ", 12");
	row1.Cells.Add("col " + RowCounter.ToString() + ", 13");
	row1.Cells.Add("col " + RowCounter.ToString() + ", 14");
	row1.Cells.Add("col " + RowCounter.ToString() + ", 15");
	row1.Cells.Add("col " + RowCounter.ToString() + ", 16");
	row1.Cells.Add("col " + RowCounter.ToString() + ", 17");
}
doc.Save(outFile);

Conclusion

In this tutorial, we learned how to add a repeating column in a PDF document using Aspose.PDF for .NET. You can use this step-by-step guide to create tables with repeating columns in your own C# projects.

FAQ’s for add repeating column in PDF document

Q: Can I customize the number of repeated columns in the nested table?

A: Yes, you can customize the number of repeated columns in the nested table. In the provided example, we set mytable.RepeatingColumnsCount = 5;, which means there will be 5 repeated columns. You can change this value to any desired number.

Q: Is it possible to add more rows to the nested table dynamically?

A: Yes, you can dynamically add more rows to the nested table in the same way as shown in the tutorial. You can use loops or any other logic to add rows based on your data.

Q: Can I apply styles and formatting to the table and its cells?

A: Yes, you can apply styles and formatting to the table and its cells using Aspose.PDF for .NET. The library provides various properties and methods to customize the appearance of the table and its contents.

Q: Is Aspose.PDF for .NET compatible with .NET Core?

A: Yes, Aspose.PDF for .NET is compatible with .NET Core. You can use it in both .NET Framework and .NET Core applications.

Q: Can I use this approach to add repeating columns in an existing PDF document?

A: Yes, you can use this approach to add repeating columns in an existing PDF document. Simply load the existing document using Aspose.PDF for .NET and follow the same steps to create and add the repeating column.

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