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Show("Amount - Must enter a numeric field", "", Message Box Buttons. However,the validation message is ugly, and you can use the Data Error event to put in your user friendly error message. You probably just want to test this on one of a few columns, so you need to examine e. I just did a search for e.index and didn't find to much explaining it. In my database my 1st field is defined as decimal and the date is defined as datetime. If you do this, it will take care of the validation warnings for you. Index refers to the index of the current column which is being validated. You can sometimes get away with less code and overhead when you create your own code as opposed to what the GUI creates for you as well.
I only have one column that I want to check if it is numeric and a date column that I'd like to validate. (I do remember seeing a visual basic how do I video where you put the validation on the dataset instead of in the code.)------------------------------------------I looked at amazon for books; is there one you suggest?
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If the user attempts to enter a value that is of an unacceptable data type for the cell, for example a string into an integer, the new invalid value is replaced with the old value.
This kind of input validation is done automatically and cannot be customized.