Query Alter Properties

[teflon]

I have lots of text objects, value of which should increase by let say "100" units. These texts are part of a chainage.

The only solution I come up with is by making a query and altering contents with an offset. So far so good!

But I can not get the expression right.

What is the syntax for adding 100 to ^AcDbText.Text.Contents ?

The other problem is to know if ^AcDbText.Text.Contents is a number or text ?

[Neilw_05]

I think you are querying a custom object such as a C3D label. Try it on genric text objects and see if it works. Map doesn't support C3D objects.

[teflon]

It is a text object, that´s I am sure of!

But what is the syntax for expression "actual value + something i want to add"  as the pic shows? 

[Neilw_05]

Rather than use a map query, why not use the express tool for renumbering text?

[teflon]

Thanks! It would work!

But I still would like to know the correct syntax for writing an expression!

Let say I got a chainage like this:

10

20

30

40

And I want to change to:

0+010

0+020

0+030

.

.

.

1+000

[neilyj666]

Think I'd just create new alignments set to a suitable style and then label them as required?