Hello,
i've created an old-ADO-recordset in C# via the following
code:
ADODB.RecordsetClass arTest;
arTest = new ADODB.RecordsetClass();
arTest.Fields.Append("Field1",
ADODB.DataTypeEnum.adInteger, -
1,ADODB.FieldAttributeEnum.adFldUnspecified,null);
arTest.Fields.Append("Field2",
ADODB.DataTypeEnum.adInteger, -
1,ADODB.FieldAttributeEnum.adFldUnspecified,null);
arTest.Open(null, null,
ADODB.CursorTypeEnum.adOpenForwardOnly,
ADODB.LockTypeEnum.adLockReadOnly,-1);
So far, so good, seems to work. Now i want to fill it with
data:
arTest.AddNew("Field1", 1);
And what i got is this:
Unhandled Exception:
System.Runtime.InteropServices.COMException (0x800A0BB9):
Arguments are of the wrong type, are out of acceptable
range, or are in conflict with one another.
Any ideas, how i can handle this?
Thanks in advance,
Daniel 2 5847
Hi Daniel,
I should have caught this in my previous post. You need to change your call
to the Open method a little further. Try:
using System.Reflection;
using ADODB;
...........
arTest.Open(Missing.Value, Missing.Value, CursorTypeEnum.adOpenStatic,
LockTypeEnum.adLockOptimistic,-1);
Full sample code for a console app follows:
using System;
using System.Reflection;
using ADODB;
namespace ConsoleApplication3
{
/// <summary>
/// Summary description for Class1.
/// </summary>
class Class1
{
/// <summary>
/// The main entry point for the application.
/// </summary>
[STAThread]
static void Main(string[] args)
{
ADODB.RecordsetClass arTest;
try
{
arTest = new ADODB.RecordsetClass();
arTest.Fields.Append("Field1",
ADODB.DataTypeEnum.adInteger, -
1,ADODB.FieldAttributeEnum.adFldUnspecified,null);
arTest.Fields.Append("Field2",
ADODB.DataTypeEnum.adInteger, -
1,ADODB.FieldAttributeEnum.adFldUnspecified,null);
arTest.Open(Missing.Value, Missing.Value,
ADODB.CursorTypeEnum.adOpenStatic,
ADODB.LockTypeEnum.adLockOptimistic,-1);
arTest.AddNew("Field1", 10);
System.Console.WriteLine("Field added. Value of first field
is {0}", arTest.Fields[0].Value.ToString());
}
catch (Exception ex)
{
System.Console.WriteLine(ex.Message);
}
finally
{
System.Console.ReadLine();
}
}
}
}
--
Rob Windsor
G6 Consulting
Toronto, Canada
"Daniel" <da****@luetke-wiesmann.de> wrote in message
news:0b****************************@phx.gbl... Somebody send me a hint, that the recordset is opened as read-only. I've changed it to:
arTest.Open(null, null, ADODB.CursorTypeEnum.adOpenStatic, ADODB.LockTypeEnum.adLockOptimistic,-1);
But the error still occures.
-----Original Message----- Hello,
i've created an old-ADO-recordset in C# via the following code:
ADODB.RecordsetClass arTest;
arTest = new ADODB.RecordsetClass();
arTest.Fields.Append("Field1", ADODB.DataTypeEnum.adInteger, - 1,ADODB.FieldAttributeEnum.adFldUnspecified,null) ;
arTest.Fields.Append("Field2", ADODB.DataTypeEnum.adInteger, - 1,ADODB.FieldAttributeEnum.adFldUnspecified,null) ;
arTest.Open(null, null, ADODB.CursorTypeEnum.adOpenForwardOnly, ADODB.LockTypeEnum.adLockReadOnly,-1);
So far, so good, seems to work. Now i want to fill it withdata: arTest.AddNew("Field1", 1);
And what i got is this: Unhandled Exception: System.Runtime.InteropServices.COMException (0x800A0BB9): Arguments are of the wrong type, are out of acceptable range, or are in conflict with one another.
Any ideas, how i can handle this?
Thanks in advance, Daniel
.
Well, this works. Many thanks!
Greetings,
Daniel -----Original Message-----
Hi Daniel,
I should have caught this in my previous post. You need
to change your callto the Open method a little further. Try:
using System.Reflection; using ADODB; ........... arTest.Open(Missing.Value, Missing.Value,
CursorTypeEnum.adOpenStatic,LockTypeEnum.adLockOptimistic,-1);
Full sample code for a console app follows:
using System; using System.Reflection; using ADODB;
namespace ConsoleApplication3 { /// <summary> /// Summary description for Class1. /// </summary> class Class1 { /// <summary> /// The main entry point for the application. /// </summary> [STAThread] static void Main(string[] args) { ADODB.RecordsetClass arTest;
try { arTest = new ADODB.RecordsetClass();
arTest.Fields.Append("Field1", ADODB.DataTypeEnum.adInteger, -
1,ADODB.FieldAttributeEnum.adFldUnspecified,null); arTest.Fields.Append("Field2", ADODB.DataTypeEnum.adInteger, -
1,ADODB.FieldAttributeEnum.adFldUnspecified,null); arTest.Open(Missing.Value, Missing.Value, ADODB.CursorTypeEnum.adOpenStatic, ADODB.LockTypeEnum.adLockOptimistic,-
1); arTest.AddNew("Field1", 10);
System.Console.WriteLine("Field added.
Value of first fieldis {0}", arTest.Fields[0].Value.ToString()); } catch (Exception ex) { System.Console.WriteLine(ex.Message); } finally { System.Console.ReadLine(); } } } }
-- Rob Windsor G6 Consulting Toronto, Canada "Daniel" <da****@luetke-wiesmann.de> wrote in message news:0b****************************@phx.gbl... Somebody send me a hint, that the recordset is opened as read-only. I've changed it to:
arTest.Open(null, null, ADODB.CursorTypeEnum.adOpenStatic, ADODB.LockTypeEnum.adLockOptimistic,-1);
But the error still occures.
>-----Original Message----- >Hello, > >i've created an old-ADO-recordset in C# via the
following >code: > >ADODB.RecordsetClass arTest; > >arTest = new ADODB.RecordsetClass(); > >arTest.Fields.Append("Field1", >ADODB.DataTypeEnum.adInteger, - >1,ADODB.FieldAttributeEnum.adFldUnspecified,null) ; > >arTest.Fields.Append("Field2", >ADODB.DataTypeEnum.adInteger, - >1,ADODB.FieldAttributeEnum.adFldUnspecified,null) ; > >arTest.Open(null, null, >ADODB.CursorTypeEnum.adOpenForwardOnly, >ADODB.LockTypeEnum.adLockReadOnly,-1); > >So far, so good, seems to work. Now i want to fill it with >data: >arTest.AddNew("Field1", 1); > >And what i got is this: >Unhandled Exception: >System.Runtime.InteropServices.COMException
(0x800A0BB9): >Arguments are of the wrong type, are out of acceptable >range, or are in conflict with one another. > >Any ideas, how i can handle this? > >Thanks in advance, >Daniel > > > > >. >
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