Creating Table in word using interop dll

Question

Hi,

 

I need to create table with default Header template

 

When i coding ima facing one error

 

"Additional information: Cannot access individual rows in this collection because the table has vertically merged cells"

 

following code

 

object oMissing = System.Reflection.Missing.Value;

object oEndOfDoc = "\\endofdoc";

Microsoft.Office.Interop.Word._Application objWord;

Microsoft.Office.Interop.Word._Document objDoc;

objWord = new Microsoft.Office.Interop.Word.Application();

objWord.Visible = true;

objDoc = objWord.Documents.Add(ref oMissing, ref oMissing,

ref oMissing, ref oMissing);

int i = 0;

int j = 0;

Microsoft.Office.Interop.Word.Table objTable;

Microsoft.Office.Interop.Word.Range wrdRng = objDoc.Bookmarks.get_Item(ref oEndOfDoc).Range;

objTable = objDoc.Tables.Add(wrdRng, 5, 5, ref oMissing, ref oMissing);

objTable.Range.ParagraphFormat.SpaceAfter = 7;

string strText;

strText = "Failure Mechanisms";

objTable.Rows[1].Range.Text = strText;

objTable.Rows[1].Range.Font.Bold = 1;

objTable.Rows[1].Range.Font.Size = 12;

objTable.Rows[1].Range.Font.Position = 1;

objTable.Rows[1].Range.Font.Name = "Times New Roman";

objTable.Rows[1].Cells[1].Merge(objTable.Rows[3].Cells[1]);//fine

objTable.Rows[1].Cells[2].Merge(objTable.Rows[1].Cells[3]);// error line

//objTable.Rows[1].Cells[1].Merge(objTable.Rows[3].Cells[1]);

objTable.Cell(1, 1).Range.ParagraphFormat.Alignment = Word.WdParagraphAlignment.wdAlignParagraphCenter;

 

When i trying to merge Row 1 to Row 3 of Cell 1 it working fine

when i trying to merge next row or next column i am facing this error

Kindly help with good solution fro this

And also help with how to split cell

Thanks in advance