ExpressionStore.DeleteExpression Method (PIA)
Use this method to delete an existing expression from the expression store.
Definition
[Visual Basic .NET]
Imports Microsoft.CommerceServer.Interop.Targeting
…
Public Sub DeleteExpression(nExprID As Integer,
flags As Integer)
[C#]
using Microsoft.CommerceServer.Interop.Targeting;
…
public void DeleteExpression(intnExprID,
intflags);
Parameters
[Visual Basic .NET]
- nExprID
An Integer that specifies the expression to be deleted. - flags
An Integer that contains the optional control flags. This parameter is currently unused and should be set to zero (0).
[C#]
- nExprID
An int that specifies the expression to be deleted. - flags
An int that contains the optional control flags. This parameter is currently unused and should be set to zero (0).
Exceptions
This method may throw one of many mapped exceptions or an exception of type COMException. See Standard COM Errors for additional details.
[Visual Basic .NET]
The following table shows the custom COM errors that a COMException can wrap.
Value | Description |
---|---|
&H8110001F | Invalid connection |
&H8110000A | Invalid expression ID specified, or expression ID not found in store |
&H81100010 | Delete operation failed, possibly due to other expressions having dependencies on this expression |
&H8110000D | No connection string specified |
[C#]
The following table shows the custom COM errors that COMException can wrap.
Value | Description |
---|---|
0x8110001F | Invalid connection |
0x8110000A | Invalid expression ID specified, or expression ID not found in store |
0x81100010 | Delete operation failed, possibly due to other expressions having dependencies on this expression |
0x8110000D | No connection string specified |
Remarks
If the specified expression has a non-zero reference count, meaning that other expressions depend on the specified expression, the expression is not deleted.
Call the Connect method before calling the DeleteExpression method.
[Visual Basic .NET]
Example
' oExpressionStore is an ExpressionStore object connected to
' a valid expression store.
' 59552 is a valid expression ID retrieved by the GetExprID method.
oExpressionStore.Delete(59552, 0)
Requirements
Namespace: Microsoft.CommerceServer.Interop.Targeting
Platforms: Windows 2000, Windows Server 2003
Assembly: exprarchlib (in exprarchlib)
See Also
Copyright © 2005 Microsoft Corporation.
All rights reserved.