private static void DoMailMerge(WordOpenXmlDocument document, DataTable data, IEnumerable <MailMergeMapping> mappings)
{
var bodyElements = document.Body.ChildElements;
var tempBody = new Body(document.Body.OuterXml);
//Remove original elements:
while (bodyElements.Count() > 0)
{
bodyElements.ElementAt(0).Remove();
}
bool firstIteration = true;
foreach (DataRow row in data.Rows)
{
var newBody = new Body(tempBody.OuterXml);
var mapValues = new Dictionary <string, string>();
mappings.ForEach(kv =>
{
if (!mapValues.ContainsKey(kv.MailMergeFieldName))
{
mapValues.Add(kv.MailMergeFieldName, row.Field <string>(kv.DataColumnFieldName));
}
});
MailMergeHelper.ProcessBody(document, newBody, null, mapValues);
if (firstIteration)
{
firstIteration = false;
}
else
{
document.InsertPageBreak();
}
newBody.ChildElements.ForEach(e => document.Body.AppendChild(e.CloneNode(true)));
}
document.Save();
}
public static WordOpenXmlDocument Create(string filePath)
{
var word = new WordOpenXmlDocument();
word.Document = WordprocessingDocument.Create(filePath, WordprocessingDocumentType.Document);
var mainDocumentPart = word.Document.AddMainDocumentPart();
const string docXml =
@"<?xml version=""1.0"" encoding=""UTF-8"" standalone=""yes""?>
<w:document xmlns:w=""http://schemas.openxmlformats.org/wordprocessingml/2006/main"">
<w:body>
</w:body>
</w:document>";
using (var stream = mainDocumentPart.GetStream())
{
byte[] buffer = (new UTF8Encoding()).GetBytes(docXml);
stream.Write(buffer, 0, buffer.Length);
}
return(word);
}
public static void ProcessHeadersAndFooters(WordOpenXmlDocument document, IDictionary <string, string> values)
{
// process header(s)
foreach (var headerPart in document.Document.MainDocumentPart.HeaderParts)
{
// 2010/08/01: addition
ConvertComplexFieldsToSimpleFields(headerPart.Header);
FillWordFieldsInElement(values, headerPart.Header);
headerPart.Header.Save(); // save header back in package
}
// process footer(s)
foreach (var footerPart in document.Document.MainDocumentPart.FooterParts)
{
// 2010/08/01: addition
ConvertComplexFieldsToSimpleFields(footerPart.Footer);
FillWordFieldsInElement(values, footerPart.Footer);
footerPart.Footer.Save(); // save footer back in package
}
document.Save();
}
/// <summary>
/// Fills in the body element with the provided data.
/// </summary>
/// <param name="dataSet">Dataset with the datatables to use to fill the document tables with. Table names in the dataset should match the table names in the document.</param>
/// <param name="values">Values to fill the document. Keys should match the MERGEFIELD names.</param>
/// <returns>The filled-in document.</returns>
public static void ProcessBody(WordOpenXmlDocument document, Body body, DataSet dataSet, IDictionary <string, string> values)
{
ConvertComplexFieldsToSimpleFields(body);
#region Process All Tables
string[] switches = null;
foreach (var field in body.Descendants <SimpleField>())
{
string fieldName = GetFieldName(field, out switches);
if (!string.IsNullOrEmpty(fieldName) && fieldName.StartsWith("TBL_"))
{
var tableRow = GetFirstParent <TableRow>(field);
if (tableRow == null)
{
// can happen because table contains multiple fields, and after 1 pass, the initial row is already deleted
continue;
}
var table = GetFirstParent <Table>(tableRow);
if (table == null)
{
// can happen because table contains multiple fields, and after 1 pass, the initial row is already deleted
continue;
}
string tableName = GetTableNameFromFieldName(fieldName);
if (dataSet == null || !dataSet.Tables.Contains(tableName) || dataSet.Tables[tableName].Rows.Count == 0)
{
// don't remove table here: will be done in next pass
continue;
}
var dataTable = dataSet.Tables[tableName];
var cellPropertiesList = new List <TableCellProperties>();
var cellColumnNamesList = new List <string>();
var paragraphPropertiesList = new List <string>();
var cellFieldsList = new List <SimpleField>();
foreach (var tableCell in tableRow.Descendants <TableCell>())
{
cellPropertiesList.Add(tableCell.GetFirstChild <TableCellProperties>());
var paragraph = tableCell.GetFirstChild <Paragraph>();
if (paragraph != null)
{
var pp = paragraph.GetFirstChild <ParagraphProperties>();
if (pp != null)
{
paragraphPropertiesList.Add(pp.OuterXml);
}
else
{
paragraphPropertiesList.Add(null);
}
}
else
{
paragraphPropertiesList.Add(null);
}
string columnName = string.Empty;
SimpleField columnField = null;
foreach (var cellField in tableCell.Descendants <SimpleField>())
{
columnField = cellField;
columnName = GetColumnNameFromFieldName(GetFieldName(cellField, out switches));
break; // supports only 1 cellfield per table
}
cellColumnNamesList.Add(columnName);
cellFieldsList.Add(columnField);
}
// keep reference to row properties
var rowProperties = tableRow.GetFirstChild <TableRowProperties>();
foreach (DataRow dataRow in dataTable.Rows)
{
var row = new TableRow();
if (rowProperties != null)
{
row.Append(new TableRowProperties(rowProperties.OuterXml));
}
for (int i = 0; i < cellPropertiesList.Count; i++)
{
var cellProperties = new TableCellProperties(cellPropertiesList[i].OuterXml);
var cell = new TableCell();
cell.Append(cellProperties);
var p = new Paragraph(new ParagraphProperties(paragraphPropertiesList[i]));
cell.Append(p); // cell must contain at minimum a paragraph !
if (!string.IsNullOrEmpty(cellColumnNamesList[i]))
{
if (!dataTable.Columns.Contains(cellColumnNamesList[i]))
{
throw new Exception(string.Format("Unable to complete template: column name '{0}' is unknown in parameter tables !", cellColumnNamesList[i]));
}
if (!dataRow.IsNull(cellColumnNamesList[i]))
{
string val = dataRow[cellColumnNamesList[i]].ToString();
p.Append(GetRunElementForText(val, cellFieldsList[i]));
}
}
row.Append(cell);
}
table.Append(row);
}
// finally : delete template-row (and thus also the mergefields in the table)
tableRow.Remove();
}
}
#endregion Process All Tables
#region Clean Empty Tables
foreach (var field in body.Descendants <SimpleField>())
{
string fieldName = GetFieldName(field, out switches);
if (!string.IsNullOrEmpty(fieldName) && fieldName.StartsWith("TBL_"))
{
var tableRow = GetFirstParent <TableRow>(field);
if (tableRow == null)
{
continue; // can happen: is because table contains multiple fields, and after 1 pass, the initial row is already deleted
}
var table = GetFirstParent <Table>(tableRow);
if (table == null)
{
continue; // can happen: is because table contains multiple fields, and after 1 pass, the initial row is already deleted
}
string tableName = GetTableNameFromFieldName(fieldName);
if (dataSet == null || !dataSet.Tables.Contains(tableName) || dataSet.Tables[tableName].Rows.Count == 0)
{
// if there's a 'dt' switch: delete Word-table
if (switches.Contains("dt"))
{
table.Remove();
}
}
}
}
#endregion Clean Empty Tables
#region Process Remaining Fields In Main Document & Save
FillWordFieldsInElement(values, body);
document.Save(); // save main document back in package
#endregion Process Remaining Fields In Main Document & Save
}
