I want to Use a field name which is dynamic for the value of a chart, such as I want the Value of the field which is made up of a string constant 'Support' plus whatever is the depth for the row which is stored in the depth field. So Support + Depth whch could equal Support7 for one row and Support 10 for another.. How do I do that?
Depth is your dimension?
This isn't possible, the expression can't be set per dimension. You can however use a single expression that checks the current dimension value:
If I understand what you're asking for, make a variable and set it's value to (for an example, let us say I create a variable named vVariable):
Then, where you want to use the variable: