Posts Tagged AutoFit

Write DataTable to an MS Word Table Efficiently with C# using a Dynamic Type

This is a C# adaptation of the code I wrote to write a datatable to a Microsoft Word document table for vb.net . But that doesn’t really begin to tell the story here. In vb.net we have been accustomed to being allowed to leave parameters empty when automating the creation of a table in Microsoft Word. C# has not permitted me that luxury which to be honest is probably a better code practice. So prepare to meet the Type.Missing object! In addition the default item that we learned to love/hate in Visual Basic for Applications (VBA) code years ago also is not used in C#. Finally in declaring the range object for the table it became an opportunity to use the new dynamic reference type keyword, which was designed for such situations. Check out this video on the subject which is quite excellent.

http://channel9.msdn.com/Shows/Going+Deep/Inside-C-40-dynamic-type-optional-parameters-more-COM-friendly/player?w=512&h=288

For these reasons you will see key differences between the two sets of code. Don’t forget to import Microsoft Word as a COM reference and do your import statements. As always feel free to comment or email. Have a great day!

using Office = Microsoft.Office.Core;
using Word = Microsoft.Office.Interop.Word;

public void CreateWordTableWithDataTable(DataTable dt)
        {
            int RowCount = dt.Rows.Count; int ColumnCount = dt.Columns.Count;
            Object[,] DataArray = new object[RowCount + 1, ColumnCount + 1];
            //int RowCount = 0; int ColumnCount = 0;
            int r = 0;
            for (int c = 0; c <= ColumnCount – 1; c++)
            {
                DataArray[r, c] = dt.Columns[c].ColumnName;
                for (r = 0; r <= RowCount – 1; r++)
                {
                    DataArray[r, c] = dt.Rows[r][c];
                } //end row loop
            } //end column loop

            Word.Document oDoc = new Word.Document();
            oDoc.Application.Visible = true;
            oDoc.PageSetup.Orientation = Word.WdOrientation.wdOrientLandscape;
           
            dynamic oRange = oDoc.Content.Application.Selection.Range;
            String oTemp = “”;
            for (r = 0; r <= RowCount – 1; r++)
            {
                for (int c = 0; c <= ColumnCount – 1; c++)
                {
                    oTemp = oTemp + DataArray[r, c] + “\t”;
                  
                }
            }

oRange.Text = oTemp;
           
object Separator = Word.WdTableFieldSeparator.wdSeparateByTabs;
object Format = Word.WdTableFormat.wdTableFormatWeb1;
object ApplyBorders = true;
object AutoFit = true;

object AutoFitBehavior = Word.WdAutoFitBehavior.wdAutoFitContent;
            oRange.ConvertToTable(ref Separator,
        ref RowCount, ref ColumnCount, Type.Missing, ref Format,
        ref ApplyBorders, Type.Missing, Type.Missing, Type.Missing,
         Type.Missing, Type.Missing, Type.Missing,
         Type.Missing, ref AutoFit, ref AutoFitBehavior,
         Type.Missing);
           
            oRange.Select();
            oDoc.Application.Selection.Tables[1].Select();
            oDoc.Application.Selection.Tables[1].Rows.AllowBreakAcrossPages = 0;
            oDoc.Application.Selection.Tables[1].Rows.Alignment = 0;
            oDoc.Application.Selection.Tables[1].Rows[1].Select();
            oDoc.Application.Selection.InsertRowsAbove(1);
            oDoc.Application.Selection.Tables[1].Rows[1].Select();

            //gotta do the header row manually
            for (int c = 0; c <= ColumnCount – 1; c++)
            {
               oDoc.Application.Selection.Tables[1].Cell(1, c + 1).Range.Text = dt.Columns[c].ColumnName;
            }

            oDoc.Application.Selection.Tables[1].Rows[1].Select();
            oDoc.Application.Selection.Cells.VerticalAlignment = Word.WdCellVerticalAlignment.wdCellAlignVerticalCenter;
                      
                    }

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