How to update the fields in word using VSTO

public void CleanTandFcaptionFileds(int TandFoption)

{

Microsoft.Office.Interop.Word.Application app = Globals.ThisAddIn.Application;

Microsoft.Office.Interop.Word.Document doc1 = app.ActiveDocument;

Selection wordSelection = Globals.ThisAddIn.Application.Selection;

int fld_count;

int f;

bool Check;

fld_count = 0;

fld_count = doc1.Fields.Count;

if ((fld_count != 0))

{

if (((TandFoption == 1) || (TandFoption == 2)))

{

Check = true;

f = 0;

// TODO: On Error GoTo Warning!!!: The statement is not translatable

//for (; ((Check = false) == false);)

//{

while ((f < fld_count))

{

f = (f + 1);

if ((((doc1.Fields[f].Type.GetHashCode() == 64) && (doc1.Fields[f].Code.Text.Trim().Substring(0, 23) == "DOCVARIABLE TablePrefix"))

|| (doc1.Fields[f].Code.Text.Trim().Substring(0, 23) == "DOCVARIABLE FigurePrefi")))

{

doc1.Fields[f].Select();

if ((doc1.Fields[f].Next.Type.GetHashCode() == 10))

{

doc1.Fields[f].Next.Delete();

fld_count = (fld_count - 1);

wordSelection.MoveRight(WdUnits.wdCharacter, 1, WdMovementType.wdMove);

if (((wordSelection.Words.First.ToString() == "-") || ((wordSelection.Words.First.ToString() == ".-") || ((wordSelection.Words.First.ToString() == ".--") || (wordSelection.Words.First.ToString() == "--")))))

{

wordSelection.Delete(WdUnits.wdCharacter, 1);

}

}

if ((doc1.Fields[f].Next.Type.GetHashCode() == 12))

{

wordSelection.MoveRight(WdUnits.wdCharacter, 1, WdMovementType.wdMove);

if (((wordSelection.Words.First.ToString() == "-") || ((wordSelection.Words.First.ToString() == ".-") || ((wordSelection.Words.First.ToString() == ".--") || (wordSelection.Words.First.ToString() == "--")))))

{

wordSelection.Delete(WdUnits.wdCharacter, 1);

}

if ((doc1.Fields[f].Code.Text.Trim().Substring(12, 5) == "Table"))

{

if ((doc1.Fields[f].Next.Code.Text.Trim() != "SEQ Table \\* MERGEFORMAT"))

{

doc1.Fields[f].Next.Code.Text = "SEQ Table \\* MERGEFORMAT";

}

}

if ((doc1.Fields[f].Code.Text.Trim().Substring(12, 6) == "Figure"))

{

if ((doc1.Fields[f].Next.Code.Text.Trim() != "SEQ Figure \\* MERGEFORMAT"))

{

doc1.Fields[f].Next.Code.Text = "SEQ Figure \\* MERGEFORMAT";

}

}

}

}

fld_count = doc1.Fields.Count;

if ((f == fld_count))

{

Check = false;

break;

}

}

//}

}

if ((TandFoption == 3))

{

Check = true;

f = 0;

// TODO: On Error GoTo Warning!!!: The statement is not translatable

//for (; ((Check == false) == false);)

//{

while ((f < fld_count))

{

f = (f + 1);

if ((((doc1.Fields[f].Type.GetHashCode() == 64) && (doc1.Fields[f].Code.Text.Trim().Substring(0, 23) == "DOCVARIABLE TablePrefix"))

|| (doc1.Fields[f].Code.Text.Trim().Substring(0, 23) == "DOCVARIABLE FigurePrefix")))

{

doc1.Fields[f].Select();

while (((doc1.Fields[f].Next.Type.GetHashCode() == 10)

|| (doc1.Fields[f].Next.Type == (WdFieldType)12)))

{

doc1.Fields[f].Select();

doc1.Fields[f].Next.Delete();

if ((f + 1 > doc1.Fields.Count))

{

break;

}

}

wordSelection.MoveRight(WdUnits.wdCharacter, 1, WdMovementType.wdMove);

if (((wordSelection.Words.First.ToString() == "-") || ((wordSelection.Words.First.ToString() == ".-") || ((wordSelection.Words.First.ToString() == ".--")

|| (wordSelection.Words.First.ToString() == "--")))))

{

wordSelection.Delete(WdUnits.wdCharacter, 1);

}

if ((doc1.Fields[f].Code.Text.Trim().Substring(12, 5) == "Table"))

{

UpdateTandFcaptionFields("Table", false, true, true);

}

if ((doc1.Fields[f].Code.Text.Trim().Substring(12, 6) == "Figure"))

{

UpdateTandFcaptionFields("Figure", false, true, true);

}

}

fld_count = doc1.Fields.Count;

if ((f == fld_count))

{

Check = false;

break; //Warning!!! Review that break works as 'Exit Do' as it could be in a nested instruction like switch

}

}

//MessageBox.Show("Some Table/Figure captions may not have been updated!" + ("\r\n" + ("Please make sure to verify the all Table/Figure captions." + ("\r\n" + "(especially the last few Tables and Figures)."))), "S-Cubed Templates", MessageBoxButtons.OK, MessageBoxIcon.Information);

//}

}

}

}

 

Please anyone Help me.It is urgent.