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Using VBA to change a data type

Resolved · Medium Priority · Version 2003

Reply Thu 7 May 2009, 16:05Delegate Charlotte said...

Charlotte has attended:
Access VBA course

Using VBA to change a data type

We receive large data files with field names 'memo' when they should be text or number - is there a way of changing this using VBA - currently we try changing it manually and get a memory error.

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Reply Mon 11 May 2009, 09:43Trainer Stephen said...

RE: Using VBA to change a data type

Hi Charlotte

Thank you for your question

You can convert memo filed data into string and integer values by using cstring and cint vb functions. The following code provides some examples

Set dbData = CurrentDb Set rstEmployee = dbData.OpenRecordSet("Employees") rstEmployee.MoveFirst strAddress = rstEmployee.Fields("Address") 'This is a memo field MsgBox CInt(strAddress) MsgBox CInt(strAddress) * 30 MsgBox CStr(strAddress)

Hope this is useful

Regards

Stephen

Mon 18 May 2009: Automatically marked as resolved.

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Access tip:

Deleting duplicate records from a table

You cannot delete records tables where there duplicate records. A way around this is to create a new table which wont hold the duplicates. and then deleting the old table.

1. Use a make-table query based on this table only. IMPORTANT - Ensure that you include all of the fields from your original table or you may loose data.

2. Open the query's property sheet by using VIEW, QUERY, PROPERTIES, and set the Unique Values property to Yes

3. Because you have selected the Unique Values to Yes when you run the query, Access creates a new table without duplicate records. You can now delete the old table and rename the new one.

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