Add Data from Database to PDF in C# .NET

readme.md

Read the complete article on how to add data from database to PDF in C#: https://blog.aspose.com/2022/05/20/add-data-from-database-to-pdf-in-csharp-net/

add-data-to-pdf-from-database-ef.cs

public static class PdfHelper
{
    public static void ImportEntityList<TSource>(this Pdf.Table table, IList<TSource> data)
    {
        var headRow = table.Rows.Add();

        var props = typeof(TSource).GetProperties(BindingFlags.Public | BindingFlags.Instance);
        foreach (var prop in props)
        {
            headRow.Cells.Add(prop.GetCustomAttribute(typeof(DisplayAttribute)) is DisplayAttribute dd ? dd.Name : prop.Name);
        }

        foreach (var item in data)
        {
            // Add row to table
            var row = table.Rows.Add();
            // Add table cells
            foreach (var t in props)
            {
                var dataItem = t.GetValue(item, null);
                if (t.GetCustomAttribute(typeof(DataTypeAttribute)) is DataTypeAttribute dataType)
                    switch (dataType.DataType)
                    {

                        case DataType.Currency:
                            row.Cells.Add(string.Format("{0:C}", dataItem));
                            break;
                        case DataType.Date:
                            var dateTime = (DateTime)dataItem;
                            if (t.GetCustomAttribute(typeof(DisplayFormatAttribute)) is DisplayFormatAttribute df)
                            {
                                row.Cells.Add(string.IsNullOrEmpty(df.DataFormatString)
                                    ? dateTime.ToShortDateString()
                                    : string.Format(df.DataFormatString, dateTime));
                            }
                            break;
                        default:
                            row.Cells.Add(dataItem.ToString());
                            break;
                    }
                else
                {
                    row.Cells.Add(dataItem.ToString());
                }
            }
        }
    }
    public static void ImportGroupedData<TKey,TValue>(this Pdf.Table table, IEnumerable<Models.GroupViewModel<TKey, TValue>> groupedData)
    {
        var headRow = table.Rows.Add();           
        var props = typeof(TValue).GetProperties(BindingFlags.Public | BindingFlags.Instance);
        foreach (var prop in props)
        {
           headRow.Cells.Add(prop.GetCustomAttribute(typeof(DisplayAttribute)) is DisplayAttribute dd ? dd.Name : prop.Name);               
        }

        foreach (var group in groupedData)
        {
            // Add group row to table
            var row = table.Rows.Add();
            var cell = row.Cells.Add(group.Key.ToString());
            cell.ColSpan = props.Length;
            cell.BackgroundColor = Pdf.Color.DarkGray;
            cell.DefaultCellTextState.ForegroundColor = Pdf.Color.White;

            foreach (var item in group.Values)
            {
                // Add data row to table
                var dataRow = table.Rows.Add();
                // Add cells
                foreach (var t in props)
                {
                    var dataItem = t.GetValue(item, null);

                    if (t.GetCustomAttribute(typeof(DataTypeAttribute)) is DataTypeAttribute dataType)
                        switch (dataType.DataType)
                        {
                            case DataType.Currency:
                                dataRow.Cells.Add(string.Format("{0:C}", dataItem));
                                break;
                            case DataType.Date:
                                var dateTime = (DateTime)dataItem;
                                if (t.GetCustomAttribute(typeof(DisplayFormatAttribute)) is DisplayFormatAttribute df)
                                {
                                    dataRow.Cells.Add(string.IsNullOrEmpty(df.DataFormatString)
                                        ? dateTime.ToShortDateString()
                                        : string.Format(df.DataFormatString, dateTime));
                                }
                                break;
                            default:
                                dataRow.Cells.Add(dataItem.ToString());
                                break;
                        }
                    else
                    {
                        dataRow.Cells.Add(dataItem.ToString());
                    }
                }
            }
        }
    }
}
public class GroupViewModel<K,T>
{
    public K Key;
    public IEnumerable<T> Values;
}

add-data-to-pdf-from-database.cs

// Get data from database to DataTable
DataTable dt = new DataTable("Employee");
dt.Columns.Add("Employee_ID", typeof(Int32));
dt.Columns.Add("Employee_Name", typeof(string));
dt.Columns.Add("Gender", typeof(string));

// Add 2 rows into the DataTable object programmatically
DataRow dr = dt.NewRow();
dr[0] = 1;
dr[1] = "John Smith";
dr[2] = "Male";
dt.Rows.Add(dr);
dr = dt.NewRow();
dr[0] = 2;
dr[1] = "Mary Miller";
dr[2] = "Female";
dt.Rows.Add(dr);

// Create Document instance
Document doc = new Document();
doc.Pages.Add();

// Initializes a new instance of the Table
Aspose.Pdf.Table table = new Aspose.Pdf.Table();

// Set column widths of the table
table.ColumnWidths = "40 100 100 100";

// Set the table border color as LightGray
table.Border = new Aspose.Pdf.BorderInfo(Aspose.Pdf.BorderSide.All, .5f, Aspose.Pdf.Color.FromRgb(System.Drawing.Color.LightGray));

// Set the border for table cells
table.DefaultCellBorder = new Aspose.Pdf.BorderInfo(Aspose.Pdf.BorderSide.All, .5f, Aspose.Pdf.Color.FromRgb(System.Drawing.Color.LightGray));

// Import data
table.ImportDataTable(dt, true, 0, 1, 3, 3);

// Add table object to first page of input document
doc.Pages[1].Paragraphs.Add(table);

// Save updated document containing table object
doc.Save("output.pdf");