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How to import or repair expressions from another drawing

Updated: Nov 20, 2019

The example below shows a Setting Out Data Table which has question marks for the Start and End chainages. Another problem is that the Start and End X coordinates do not have negative signs:

This problem occurs when a Table Style is copied between the drawings using the Drag & Drop feature because it does not copy the expressions used in the table style. Expressions are equations used for the table values, in the example above the X and Y coordinates are multiplied by -1.

The best way to solve this problem is by importing Expressions from the other drawing.

The process requires that you have a drawing or template with the same Table Style and with working Expressions. Autodesk® Civil 3D® 2017 or a newer version must be used, older versions do not allow to set a Style Reference Drawing.

Go to the Manage tab in the Ribbon and select the Reference command:

Browse to the drawing or template containing the working Expressions by clicking on the Plus sign:

Click on Update:

The Table will now display the correct information:

If you check the list of Expressions (the print screen below shows Line Labels Expressions), it adds missing Expressions and also fixes the corrupted Expressions:

Before connecting to the Reference Drawing:

After connecting to the Reference Drawing:

If you detach the Reference Drawing or Template, the Expressions will not be reverted to their original state, therefore they will remain fixed.




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