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Check for duplicate before insert

Thread began 4/07/2012 10:04 pm by dvan_zelst | Last modified 4/09/2012 9:12 am by dvan_zelst | 1348 views | 3 replies

dvan_zelst

Check for duplicate before insert

Hi,

I was wondering if there is any simple guide or tutorial on how to implement a check to prevent a simple form from inserting its values to the database if there is a duplicate?

I created an simple insert form and set in my database the 'name' column to be unique.
I used a DataAssist insert behavior to insert the form values into the database.
How can i make the insert behavior to first check the 'name' field for duplicates before really inserting and if there is already a dulicate to show the message that the name already exist and need to choose another name.

Does this involve handcoding or does DataAssist has such feature inside to check first.

I hope someone can give some easy tutorial how to do this.

Thanks.

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