Hi All
I have a DataTable that has the AutoIncrement properties set, but when I add
a new row it doesn't use the values I'd expect and is causing an error.
For example:
MyTable.Columns ("PKColumn").Au toIncrement = True
MyTable.Columns ("PKColumn").Au toIncrementSeed = -1
MyTable.Columns ("PKColumn").Au toIncrementStep = -1
Dim oRow As DataRow = MyTable.NewRow
'// oRow("PKColumn" ) = 12 I'd expect it to be a negative figure, and for
each Row I add it decreases by 1
MyTable.Rows.Ad d(oRow) '// Causes error the second row that's added cos the
PK value already exists amd is unique.
Has anyone else experience this??
Regards,
Steve. 2 1552
If you have statement like MyDataAdapter.F illSchema(MyDat aSet,
SchemaType.Mapp ed, "MyTable") running before, you cannot change PKColumn's
property in MyTable.
"Steve Amey" wrote: Hi All
I have a DataTable that has the AutoIncrement properties set, but when I add a new row it doesn't use the values I'd expect and is causing an error.
For example:
MyTable.Columns ("PKColumn").Au toIncrement = True MyTable.Columns ("PKColumn").Au toIncrementSeed = -1 MyTable.Columns ("PKColumn").Au toIncrementStep = -1
Dim oRow As DataRow = MyTable.NewRow '// oRow("PKColumn" ) = 12 I'd expect it to be a negative figure, and for each Row I add it decreases by 1 MyTable.Rows.Ad d(oRow) '// Causes error the second row that's added cos the PK value already exists amd is unique.
Has anyone else experience this??
Regards, Steve.
Hi John
I don't have anything like that running before I can see the properties of
the Column in the Locals window and they are correct, but when I create a
New Row it doesn't create the row with the PK column as a negative.
Regards,
Steve.
"John" <Jo**@discussio ns.microsoft.co m> wrote in message
news:93******** *************** ***********@mic rosoft.com... If you have statement like MyDataAdapter.F illSchema(MyDat aSet, SchemaType.Mapp ed, "MyTable") running before, you cannot change PKColumn's property in MyTable. "Steve Amey" wrote:
Hi All
I have a DataTable that has the AutoIncrement properties set, but when I
add a new row it doesn't use the values I'd expect and is causing an error.
For example:
MyTable.Columns ("PKColumn").Au toIncrement = True MyTable.Columns ("PKColumn").Au toIncrementSeed = -1 MyTable.Columns ("PKColumn").Au toIncrementStep = -1
Dim oRow As DataRow = MyTable.NewRow '// oRow("PKColumn" ) = 12 I'd expect it to be a negative figure, and for each Row I add it decreases by 1 MyTable.Rows.Ad d(oRow) '// Causes error the second row that's added cos
the PK value already exists amd is unique.
Has anyone else experience this??
Regards, Steve. This thread has been closed and replies have been disabled. Please start a new discussion. Similar topics |
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