Hi,
everything works apart from the last line :-((
rng.Value2.ToSt ring()
An exception is thrown : "Old format or invalid type library"
It gets compiled though (so he recognizes the property 'Value2').
So I suppose I'm using a incompatible type lib.
I'm using Excel 2002 : Excel 10.0 Object Library
Any ideas ? Maybe ... using another way to retrieve the value of a cell ?
thnx
Chris "Arne Janning" <sp************ *****@msn.com> wrote in message news:uH******** ******@TK2MSFTN GP09.phx.gbl... Chris wrote:
Thanks a lot for that !!!
Chris Hi Chris,
perhaps I should have been more precise when I wrote about "casting" the OLEFormat to an Excel.Applicati onClass. This is not as easy as one might think of. If you search for a solution, you won't find an answer.
http://groups.google.de/groups?q=OLE...bject%20dotnet
The cast is only possible if you activate the Ole-Object first. Below please find the full source code for reading an the Value out of cell "A1" in an Excel-Sheet that has been embedded inside a Word Document:
private void button1_Click(o bject sender, System.EventArg s e) { //C# cannnot handle optional params object miss = Type.Missing; //new Word.Applicatio n Microsoft.Offic e.Interop.Word. ApplicationClas s app = new Microsoft.Offic e.Interop.Word. ApplicationClas s(); //File we want to open //Has to be an object for C# object fileName = @"C:\\test.doc" ; //open the file, use VB.NET in the future DocumentClass doc = (DocumentClass) app.Documents.O pen(ref fileName, ref miss, ref miss, ref miss, ref miss, ref miss, ref miss, ref miss, ref miss, ref miss, ref miss, ref miss, ref miss, ref miss, ref miss, ref miss);
//make Word visible app.Visible = true;
//let's say our Excel-Sheet is the first Object in the document Microsoft.Offic e.Interop.Word. OLEFormat ole = doc.InlineShape s[1].OLEFormat; string progID = ole.ProgID; //it won't work without activating the Ole-Object first!!! ole.Activate(); //for Excel 2003; just for security reasons. One can leave this away if (progID == "Excel.Sheet.8" ) { //cast the Ole-Object to an Excel.Workkook-Object Workbook wbk = (Workbook) ole.Object; //get a reference to the first sheet Worksheet sht = (Worksheet) wbk.Worksheets[1]; //get Cell "A1" Microsoft.Offic e.Interop.Excel .Range rng = (Microsoft.Offi ce.Interop.Exce l.Range) sht.get_Range(" A1", "A1"); //show the value of "A1" MessageBox.Show (rng.Value2.ToS tring()); } }
You see that some of the Methods in C# look different from what we have been using in Excel-VBA. Instead of simply using sht.Range("A1") you have to use Microsoft.Offic e.Interop.Excel .Range rng = (Microsoft.Offi ce.Interop.Exce l.Range) sht.get_Range(" A1", "A1")
Some good articles to start Programming Excel with C#:
"HOWTO: Automate Microsoft Excel from Microsoft Visual C# .NET" http://support.microsoft.com/?id=302084
"HOW TO: Handle Events for Excel by Using Visual C# .NET" http://support.microsoft.com/?id=302815
"HOW TO: Transfer XML Data to Microsoft Excel 2002 by Using Visual C# .NET" http://support.microsoft.com/?id=307029
"HOWTO: Create an Excel Macro Using Automation from Visual C# .NET" http://support.microsoft.com/?id=303872
Cheers
Arne Janning 4 3402
Chris,
What version of Excel are you running this against?
--
- Nicholas Paldino [.NET/C# MVP]
- mv*@spam.guard. caspershouse.co m
"Chris" <ch********@pan dora.be> wrote in message
news:p3******** **************@ phobos.telenet-ops.be... Hi,
everything works apart from the last line :-(( rng.Value2.ToSt ring()
An exception is thrown : "Old format or invalid type library" It gets compiled though (so he recognizes the property 'Value2'). So I suppose I'm using a incompatible type lib.
I'm using Excel 2002 : Excel 10.0 Object Library
Any ideas ? Maybe ... using another way to retrieve the value of a cell ?
thnx
Chris
"Arne Janning" <sp************ *****@msn.com> wrote in message news:uH******** ******@TK2MSFTN GP09.phx.gbl... Chris wrote:
> Thanks a lot for that !!! > > Chris > Hi Chris,
perhaps I should have been more precise when I wrote about "casting"
the OLEFormat to an Excel.Applicati onClass. This is not as easy as one might think of. If you search for a solution, you won't find an
answer. http://groups.google.de/groups?q=OLE...bject%20dotnet
The cast is only possible if you activate the Ole-Object first. Below please find the full source code for reading an the Value out of cell "A1" in an Excel-Sheet that has been embedded inside a Word Document:
private void button1_Click(o bject sender, System.EventArg s e) { //C# cannnot handle optional params object miss = Type.Missing; //new Word.Applicatio n Microsoft.Offic e.Interop.Word. ApplicationClas s app = new Microsoft.Offic e.Interop.Word. ApplicationClas s(); //File we want to open //Has to be an object for C# object fileName = @"C:\\test.doc" ; //open the file, use VB.NET in the future DocumentClass doc = (DocumentClass) app.Documents.O pen(ref
fileName, ref miss, ref miss, ref miss, ref miss, ref miss, ref miss, ref miss, ref miss, ref miss, ref miss, ref miss, ref miss, ref miss, ref miss, ref miss);
//make Word visible app.Visible = true;
//let's say our Excel-Sheet is the first Object in the document Microsoft.Offic e.Interop.Word. OLEFormat ole = doc.InlineShape s[1].OLEFormat; string progID = ole.ProgID; //it won't work without activating the Ole-Object first!!! ole.Activate(); //for Excel 2003; just for security reasons. One can leave this
away if (progID == "Excel.Sheet.8" ) { //cast the Ole-Object to an Excel.Workkook-Object Workbook wbk = (Workbook) ole.Object; //get a reference to the first sheet Worksheet sht = (Worksheet) wbk.Worksheets[1]; //get Cell "A1" Microsoft.Offic e.Interop.Excel .Range rng = (Microsoft.Offi ce.Interop.Exce l.Range) sht.get_Range(" A1", "A1"); //show the value of "A1" MessageBox.Show (rng.Value2.ToS tring()); } }
You see that some of the Methods in C# look different from what we
have been using in Excel-VBA. Instead of simply using sht.Range("A1") you have to use Microsoft.Offic e.Interop.Excel .Range rng = (Microsoft.Offi ce.Interop.Exce l.Range) sht.get_Range(" A1", "A1")
Some good articles to start Programming Excel with C#:
"HOWTO: Automate Microsoft Excel from Microsoft Visual C# .NET" http://support.microsoft.com/?id=302084
"HOW TO: Handle Events for Excel by Using Visual C# .NET" http://support.microsoft.com/?id=302815
"HOW TO: Transfer XML Data to Microsoft Excel 2002 by Using Visual C# .NET" http://support.microsoft.com/?id=307029
"HOWTO: Create an Excel Macro Using Automation from Visual C# .NET" http://support.microsoft.com/?id=303872
Cheers
Arne Janning
Hi Nicolas,
I'm using Excel 2002 (10.2614.3501) SP1
Excel 10.0 Object Library
Chris
"Nicholas Paldino [.NET/C# MVP]" <mv*@spam.guard .caspershouse.c om> wrote in
message news:eg******** ******@TK2MSFTN GP11.phx.gbl... Chris,
What version of Excel are you running this against?
-- - Nicholas Paldino [.NET/C# MVP] - mv*@spam.guard. caspershouse.co m
"Chris" <ch********@pan dora.be> wrote in message news:p3******** **************@ phobos.telenet-ops.be... Hi,
everything works apart from the last line :-(( rng.Value2.ToSt ring()
An exception is thrown : "Old format or invalid type library" It gets compiled though (so he recognizes the property 'Value2'). So I suppose I'm using a incompatible type lib.
I'm using Excel 2002 : Excel 10.0 Object Library
Any ideas ? Maybe ... using another way to retrieve the value of a cell
? thnx
Chris
"Arne Janning" <sp************ *****@msn.com> wrote in message news:uH******** ******@TK2MSFTN GP09.phx.gbl... > Chris wrote: > > > Thanks a lot for that !!! > > > > Chris > > > Hi Chris, > > perhaps I should have been more precise when I wrote about "casting"
the > OLEFormat to an Excel.Applicati onClass. This is not as easy as one > might think of. If you search for a solution, you won't find an answer. > > http://groups.google.de/groups?q=OLE...bject%20dotnet > > The cast is only possible if you activate the Ole-Object first.
Below > please find the full source code for reading an the Value out of
cell > "A1" in an Excel-Sheet that has been embedded inside a Word
Document: > > private void button1_Click(o bject sender, System.EventArg s e) > { > //C# cannnot handle optional params > object miss = Type.Missing; > //new Word.Applicatio n > Microsoft.Offic e.Interop.Word. ApplicationClas s app = new > Microsoft.Offic e.Interop.Word. ApplicationClas s(); > //File we want to open > //Has to be an object for C# > object fileName = @"C:\\test.doc" ; > //open the file, use VB.NET in the future > DocumentClass doc = (DocumentClass) app.Documents.O pen(ref fileName, > ref miss, ref miss, ref miss, ref miss, ref miss, ref miss, ref
miss, > ref miss, ref miss, ref miss, ref miss, ref miss, ref miss, ref
miss, > ref miss); > > //make Word visible > app.Visible = true; > > //let's say our Excel-Sheet is the first Object in the document > Microsoft.Offic e.Interop.Word. OLEFormat ole = > doc.InlineShape s[1].OLEFormat; > string progID = ole.ProgID; > //it won't work without activating the Ole-Object first!!! > ole.Activate(); > //for Excel 2003; just for security reasons. One can leave this away > if (progID == "Excel.Sheet.8" ) > { > //cast the Ole-Object to an Excel.Workkook-Object > Workbook wbk = (Workbook) ole.Object; > //get a reference to the first sheet > Worksheet sht = (Worksheet) wbk.Worksheets[1]; > //get Cell "A1" > Microsoft.Offic e.Interop.Excel .Range rng = > (Microsoft.Offi ce.Interop.Exce l.Range) sht.get_Range(" A1", "A1"); > //show the value of "A1" > MessageBox.Show (rng.Value2.ToS tring()); > } > } > > You see that some of the Methods in C# look different from what we have > been using in Excel-VBA. Instead of simply using sht.Range("A1") you > have to use Microsoft.Offic e.Interop.Excel .Range rng = > (Microsoft.Offi ce.Interop.Exce l.Range) sht.get_Range(" A1", "A1") > > Some good articles to start Programming Excel with C#: > > "HOWTO: Automate Microsoft Excel from Microsoft Visual C# .NET" > http://support.microsoft.com/?id=302084 > > "HOW TO: Handle Events for Excel by Using Visual C# .NET" > http://support.microsoft.com/?id=302815 > > "HOW TO: Transfer XML Data to Microsoft Excel 2002 by Using Visual
C# .NET" > http://support.microsoft.com/?id=307029 > > "HOWTO: Create an Excel Macro Using Automation from Visual C# .NET" > http://support.microsoft.com/?id=303872 > > Cheers > > Arne Janning
Chris wrote: I'm using Excel 2002 (10.2614.3501) SP1 Excel 10.0 Object Library
Hi Chris,
Primary Interop Assemblies for Excel 2002 installed or not?
Cheers
Arne Janning
Arne Janning wrote: Chris wrote:
I'm using Excel 2002 (10.2614.3501) SP1 Excel 10.0 Object Library
For me,
rng.get_Value(m iss).ToString()
works as well.
miss was Type.Missing.
Cheers
Arne Janning This thread has been closed and replies have been disabled. Please start a new discussion. Similar topics |
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