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Requested member of the collection does not exist

Posted on 2004-03-25
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Last Modified: 2007-12-19
My app is raising the following exception:

BOOKMARK LOOP EXCEPTION:  Message:  The requested member of the collection does not exist.--Stack Trace:     at Word.Tables.Item(Int32 Index)
   at BuyersFund.FaxCOM.FaxCOM.LoopThroughGiftLetterBookmarks(_Document oDoc, DataRow myDataRow) in n:\clientdevelopment\neo\buyersfund\faxcom\faxcom.cs:line 746
   at BuyersFund.FaxCOM.FaxCOM.CreateDocument() in n:\clientdevelopment\neo\buyersfund\faxcom\faxcom.cs:line 602
END, timestamp:  3/25/2004 4:27:30 PM


Here is line 746

rng.Tables.Item(0).Rows.AllowBreakAcrossPages = 1;



I am assuming the problem is with AllowBreakAcrossPages  (something wrong with my syntax?)

What I don't understand is why does AllowBreakAcrossPages (and other available properties and methods) show up when I invoke the code completion on rng.Tables.Item(0).Rows.  ?
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Question by:knowlton
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LVL 10

Expert Comment

by:eternal_21
ID: 10682896
Are you sure that rng.Tables.Item(0) is returning anything?  Maybe there are no tables coming up?  What is the value of rng.Tables.Count at that point?
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Author Comment

by:knowlton
ID: 10682957
What is the value of rng.Tables.Count at that point?

1


According to this:


http://www.knowltonfamily.com/tables_count.gif

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Author Comment

by:knowlton
ID: 10682960
Is Item(int Index)    0 based    or 1 based?
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LVL 10

Expert Comment

by:eternal_21
ID: 10683015
I don't know, but I would assume that it is 0 based.

Try this:

  Word.Table table;
  table = rng.Tables.Item(0);
  table.Rows.AllowBreakAcrossPages = 1;

Break on the third row, and see if table is null, or if it is assigned.
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LVL 10

Expert Comment

by:eternal_21
ID: 10683026
If it comes up null go ahead and try,
  table = rng.Tables.Item(1);
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Author Comment

by:knowlton
ID: 10683041
It's not getting to the third line.

The second line is throwing an exception:


BOOKMARK LOOP EXCEPTION:  Message:  The requested member of the collection does not exist.--Stack Trace:     at Word.Tables.Item(Int32 Index)
   at BuyersFund.FaxCOM.FaxCOM.LoopThroughGiftLetterBookmarks(_Document oDoc, DataRow myDataRow) in n:\clientdevelopment\neo\buyersfund\faxcom\faxcom.cs:line 747
   at BuyersFund.FaxCOM.FaxCOM.CreateDocument() in n:\clientdevelopment\neo\buyersfund\faxcom\faxcom.cs:line 602
END, timestamp:  3/25/2004 5:05:42 PM




So the problem is HERE:

 table = rng.Tables.Item(0);
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LVL 5

Author Comment

by:knowlton
ID: 10683068
UPDATE:

I changed

table = rng.Tables.Item(0);

to

table = rng.Tables.Item(1);


and line 2 is okay now.


~~~~~~~~~~~~~~~~~~~~~~~~~

But an exception is thrown on the next line:

table.Rows.AllowBreakAcrossPages = 1;


BOOKMARK LOOP EXCEPTION:  Message:  The parameter is incorrect.--Stack Trace:     at Word.Rows.set_AllowBreakAcrossPages(Int32 prop)
   at BuyersFund.FaxCOM.FaxCOM.LoopThroughGiftLetterBookmarks(_Document oDoc, DataRow myDataRow) in n:\clientdevelopment\neo\buyersfund\faxcom\faxcom.cs:line 748
   at BuyersFund.FaxCOM.FaxCOM.CreateDocument() in n:\clientdevelopment\neo\buyersfund\faxcom\faxcom.cs:line 602


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LVL 5

Author Comment

by:knowlton
ID: 10683081


table.Rows.AllowBreakAcrossPages = -1;


instead of


table.Rows.AllowBreakAcrossPages = 1;



?????


Seems to have corrected the problem....
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LVL 10

Accepted Solution

by:
eternal_21 earned 500 total points
ID: 10684566
I have done some testing here, and to answer your earlier question the Item indexes are definately 1-based (not 0-based).

In VBA (well, these objects specifically) true is represented by -1, and false as 0.  That is why AllowBreakAcrossPages = -1 works!
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LVL 20

Expert Comment

by:TheAvenger
ID: 10685059
Can you post some more code. Is this code in a loop?
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LVL 5

Author Comment

by:knowlton
ID: 10688318
TheAvenger:

FYI:  I think this problem is solved now.  The code below does not
generate an exception.

Yes, the code is in a loop.  I probably don't need to post it, since I think it is working now, but maybe something else will stand-out:


private void LoopThroughGiftLetterBookmarks(Word._Document oDoc,DataRow myDataRow)
            {                  

                  string strFullBookmarkName="";
                  string strInstanceValue="";
                  string Field_Name="";
                  bool useExceptionBlock = false;
                  string tempScalarSQL = "";
                  int c = 0;            
                  long numGrants = 0;
                  


                  for(c = 0;c<intBookmarkCount;c++)
                  {
                        Field_Name = bookmarkFuncs.ExtractFieldNameFromBookmark(bookMarkArray[c]);                                    
                                   
                        // This works just as well as iterating through all the rows, if it doesn't exist it gracefully continues to the next bookmark
                        try
                        {
                              if(myDataRow[Field_Name.ToUpper()] != null)
                              {
                                    useExceptionBlock = false;
                                    object oBookmarkName = bookMarkArray[c];
                                    strFullBookmarkName = bookMarkArray[c];
                                    strInstanceValue = myDataRow[Field_Name].ToString();;

                                    switch(Field_Name)
                                    {
                                          case("City"):
                                                strInstanceValue += ",";
                                                break;
                                          case ("TCD"):
                                                strInstanceValue = DateTime.Parse(strInstanceValue).ToShortDateString();
                                                break;
                                          case("TitleFax"):
                                          case("workNumber"):
                                          case("FaxNumber"):
                                                strInstanceValue = formatLIB.FormatAsPhoneNumber(strInstanceValue);
                                                break;
                                          case("GrantAmount"):
                                          case("SSFAmount"):
                                          case("MPMonthlyAmount"):
                                                strInstanceValue = "$" + formatLIB.FormatAsCurrency(strInstanceValue).ToString();
                                                if(strInstanceValue == "$0")
                                                {
                                                      strInstanceValue = "";
                                                }
                                                break;
                                          case("MPSSN"):
                                                strInstanceValue = formatLIB.FormatAsSSN(strInstanceValue);
                                                if(strInstanceValue.Length > 0)
                                                {
                                                      strInstanceValue = "Entered";
                                                }
                                                break;                                          
                                          case("MPDOB"):
                                                if(strInstanceValue.Length > 0)
                                                {
                                                      strInstanceValue = "Entered";
                                                }
                                                break;                                          
                                          default:
                                                break;
                                    }                                                                        
                              }

                              if(strInstanceValue != "")
                              {
                                    System.Diagnostics.Debug.WriteLine("SHOULD NOT BE BLANK:  " + strInstanceValue);
                                    System.Diagnostics.Debug.WriteLine("SHOULD NOT BE BLANK:  " + Field_Name);
                                    ReplaceBookmarkWithValue(oDoc, strFullBookmarkName, strInstanceValue);                              
                              }
                        }
                        catch(Exception e)
                        {
                              switch(Field_Name)
                              {                  
                                    case("deals"):
                                          strInstanceValue = this.GetDealListForLO(myDataRow["LenderPhone"].ToString(),myDataRow["LO"].ToString(),this.FAXCOM_SPECIALONE,this.FAXCOM_SPECIALTWO);
                                          object oBookmarkName = Field_Name;
                                          Word.Range rng = oDoc.Bookmarks.Item(ref oBookmarkName).Range;
                                          rng.InsertBefore(strInstanceValue);
                                          object oApplyBorders = true;
                                          object oAutoFit = false;
                                          object oDelimiter = "=";
                                          object oColCount = 4;
                                          rng.ConvertToTable(ref oDelimiter,ref oMissing, ref oColCount,ref oMissing,ref oMissing, ref oApplyBorders, ref oMissing,ref oMissing,ref oMissing,ref oMissing,ref oMissing,ref oMissing,ref oMissing, ref oAutoFit, ref oMissing, ref oMissing);
                                          Word.Table table;
                                          table = rng.Tables.Item(1);
                                          table.Rows.AllowBreakAcrossPages = -1;

                                    
                                          rng.Tables.Item(1).Rows.Item(1).Select();
                                          rng.Font.Bold = 1;
                                          rng.Tables.Item(1).Columns.Item(1).Width = 45;
                                          rng.Tables.Item(1).Columns.Item(2).Width = 135;
                                          rng.Tables.Item(1).Columns.Item(3).Width = 140;
                                          rng.Tables.Item(1).Columns.Item(4).Width = 70;

                                          break;
                                    case("message1"):
                                          if(this.FAXCOM_LETTERID == "LDL")
                                          {
                                                if(FAXCOM_LANGID==BuyersFund.GeneralFunctions.GeneralFunctions.LangTypeEnglish)                        
                                                {
                                                      tempScalarSQL = "SELECT IsNull(LetterBody,'') from tblLOLetter where (datepart(mm,IsNull([MonthToSend],0))=" + Int32.Parse(this.FAXCOM_SPECIALONE) +  ") AND (datepart(yy,IsNull([MonthToSend],0))=" + Int32.Parse(this.FAXCOM_SPECIALTWO) +  ")";
                                                }
                                                else
                                                {
                                                      tempScalarSQL = "SELECT IsNull(spanishLetterBody,'') from tblLOLetter where (datepart(mm,IsNull([MonthToSend],0))=" + Int32.Parse(this.FAXCOM_SPECIALONE) +  ") AND (datepart(yy,IsNull([MonthToSend],0))=" + Int32.Parse(this.FAXCOM_SPECIALTWO) +  ")";
                                                }                                          
                                                strInstanceValue = genFuncs.ExecScalar(tempScalarSQL,this.strPipelineDBConnection);                                          
                                                if(strInstanceValue == "")
                                                {
                                                      strInstanceValue = FAXCOM_LENDER_LETTER_DEFAULT_MESSAGE;
                                                }                                          
                                                useExceptionBlock = true;                                                                                                                                    
                                          }
                                          break;
                                    case ("PD"):
                                          tempScalarSQL = "SELECT fullname from tblDirector where directorID = " + myDataRow["PDID"];
                                          strInstanceValue = genFuncs.ExecScalar(tempScalarSQL,this.strPipelineDBConnection);                                          
                                          useExceptionBlock = true;                                                                                          
                                          break;
                                    case("zionsp"):
                                          if(myDataRow["bankName"].ToString().Length>0)
                                          {
                                                if(myDataRow["bankName"].ToString().Substring(0,4) == "Irwi")
                                                {
                                                      strInstanceValue = "";
                                                      useExceptionBlock = true;                                                
                                                }
                                          }
                                          break;
                                    case ("CityStateZip"):
                                          strInstanceValue = myDataRow["SellerCity"].ToString() + ", " + myDataRow["SellerState"].ToString() + "  " + myDataRow["SellerZip"].ToString();
                                          useExceptionBlock = true;                                                                                          
                                          break;
                                    case ("LenderInfo"):
                                          if(FAXCOM_LANGID==BuyersFund.GeneralFunctions.GeneralFunctions.LangTypeEnglish)                        
                                          {
                                                strInstanceValue = ResizeInfoToFit(myDataRow["LO"].ToString(),myDataRow["Lender"].ToString(),myDataRow["LenderPhone"].ToString(),32,44);
                                          }
                                          else
                                          {
                                                strInstanceValue = ResizeInfoToFit(myDataRow["LO"].ToString(),myDataRow["Lender"].ToString(),myDataRow["LenderPhone"].ToString(),32,41);
                                          }
                                          useExceptionBlock = true;                                                                                          
                                          break;
                                    case ("ListingRealtorInfo"):
                                          strInstanceValue = ResizeInfoToFit(myDataRow["lrRealtor"].ToString(),myDataRow["lrCompany"].ToString(),myDataRow["lrPhone"].ToString(),32,44);
                                          useExceptionBlock = true;                                                                                          
                                          break;
                                    case ("SellingRealtorInfo"):
                                          strInstanceValue = ResizeInfoToFit(myDataRow["srRealtor"].ToString(),myDataRow["srCompany"].ToString(),myDataRow["srPhone"].ToString(),32,44);
                                          useExceptionBlock = true;                                                                                          
                                          break;                                    
                                    case("suppresswelcomeletter"):
                                          tempScalarSQL = "SELECT Count(entryLenderView.EntryID) AS CountOfEntryID, entryLenderView.loName FROM entryLenderView GROUP BY entryLenderView.loName HAVING entryLenderView.loname = '" + myDataRow["loname"] + "' ORDER BY Count(entryLenderView.EntryID) DESC";
                                          numGrants = Int64.Parse(genFuncs.ExecScalar(tempScalarSQL,this.strPipelineDBConnection));
                                          if(numGrants > 1)
                                          {
                                                strInstanceValue = "";
                                                useExceptionBlock = true;                                                
                                          }
                                          break;                  
                                    case("removeifmppinfocomplete"):
                                          if(this.FAXCOM_MPPINFOCOMPLETE)
                                          {
                                                strInstanceValue = "";
                                                useExceptionBlock = true;
                                          }                                          
                                          break;                  
                                    case("completecheckbox"):
                                          object completecheckboxname = "completecheckbox";
                                          oDoc.FormFields.Item(ref completecheckboxname).CheckBox.Value = this.FAXCOM_MPPINFOCOMPLETE;                                          
                                          break;
                                    case("incompletecheckbox"):
                                          object incompletecheckboxname = "incompletecheckbox";
                                          oDoc.FormFields.Item(ref incompletecheckboxname).CheckBox.Value = !this.FAXCOM_MPPINFOCOMPLETE;                                          
                                          break;
                                    case("qualifiedcheckbox"):
                                          object qualifiedcheckboxname = "qualifiedcheckbox";
                                          oDoc.FormFields.Item(ref qualifiedcheckboxname).CheckBox.Value = this.FAXCOM_MPPVALID;
                                          break;
                                    case("notqualifiedcheckbox"):
                                          object notqualifiedcheckboxname = "notqualifiedcheckbox";
                                          oDoc.FormFields.Item(ref notqualifiedcheckboxname).CheckBox.Value = !this.FAXCOM_MPPVALID;
                                          break;
                                    default:
                                          break;
                              }
                              
                              if(useExceptionBlock)
                              {
                              
                                    ReplaceBookmarkWithValue(oDoc, Field_Name, strInstanceValue);                              
                        
                                    useExceptionBlock = false;
                              }

                              System.Diagnostics.Debug.WriteLine(e.Message);
                              System.Diagnostics.Debug.WriteLine(e.StackTrace);
                              continue;
                        }
                  }
            }
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