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Posted by / 28-Jun-2020 03:12

Row cannot be located for updating

I have searched this NG and also Tamarack but cannot find this message anymore. I know this has to do with ADO trying to locate a row by specifying each field it knows about, as in "select * from customer where [Name]="Me" and [Address]="Someplace" and so on for each field.

However, my table has a primary key defined and rows can be uniquely identified using this key (an Int).

I am getting the above runtime error "Row cannot be located for updating. This problem is becuase of deletion of row which you are trying to update.

Some values may have been changed since it was last read." while updating rows in a Datagrid in VB. use recordset.requery before updation then search that row in data source if found then update it.

The number one offender is the lack of a primary key in your data when you try to post it back to the DB. I have been sporadically getting a "Row cannot be located for updating" error. In this instance, I am just building a desktop application. To do this it must be able to find the record in your database that corresponds to the record you are editing.

The solution I was hoping to find was to inform ADO which field(s) are the key to the table. "Brian Bushay Team B" I'm using Delphi 6 Enterprise with SP2.

better way is use transaction to update the data table then refresh the datagrid Are you using more than just the VB as a front end?

I have seen this error before when trying to update a DATE field...

I've read some time ago in this NG (I believe) that you can limit the ADO where statement construct by informing the ADO recordset about this primary key (or rather: dropping the other fields). Presumably the trigger's you've added are connected to the table you Hi Brian, thanks for taking the time to answer.

I have searched this NG and also Tamarack but cannot find this message anymore. It is a simple table I am trying to update, not a join.

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However, my table has a primary key defined and rows can be uniquely identified using this key (an Int). Recently added an insert/update trigger to a table in SQL Server to populate some fields from a 2nd table.