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2
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awarded  Popular Question
Feb
23
accepted Personal Geodatabase: Access speed up due the use of RelationshipClasses?
Feb
23
comment Personal Geodatabase: Access speed up due the use of RelationshipClasses?
Thanks for the link. This is the reason for my described behavior.
Feb
22
asked Personal Geodatabase: Access speed up due the use of RelationshipClasses?
Feb
15
revised How to get all selected features from a specific feature class in C#
added 1048 characters in body
Feb
15
comment How to get all selected features from a specific feature class in C#
A valid one. In my case "3".
Feb
15
comment How to get all selected features from a specific feature class in C#
get_Value needs an integer for the index of the field.
Feb
15
comment How to get all selected features from a specific feature class in C#
Thanks for the reply. Yes, for all elements in the feature class the field is set with a valid value.
Feb
15
comment How to get all selected features from a specific feature class in C#
pfeat.get_Value(x).ToString() ->Object reference not set to an instance of an object.
Feb
15
asked How to get all selected features from a specific feature class in C#
Feb
10
comment Benefits of relationship classes and how they can be accessed in c#
I've to check that. But to focus the problem. What I can do is to read every row out of the table and query the featuresclasses for the ID of the station and the two IDs of the railroads. At this point I've every information I need. But can this be better performed by using or querying the relationship classes. This is the core of my question. When this isnt possible I will go the stony way.
Feb
10
awarded  Commentator
Feb
10
comment Benefits of relationship classes and how they can be accessed in c#
What information do you need in detail. I will try to give you as much as I can but I am not sure if these data are sensitive. But I can give you a example. One feature class contains railroads als Polylines and the other feature class contains trainsstations. Both different have attributs. The table has the ID of the Station, the ID of all railroads which arrived and the ID of the railroads started from this station (Row: ID-St, ID-Fr, ID-To, ...). The ID for the station has a 1:1 relationship with the feature class and two other field have a 1:1 relations with the raildroad feature class.
Feb
10
comment Benefits of relationship classes and how they can be accessed in c#
I've replaced the misunderstanding terms.
Feb
10
revised Benefits of relationship classes and how they can be accessed in c#
added 13 characters in body
Feb
10
comment Benefits of relationship classes and how they can be accessed in c#
Yes. I've created a personal geodatabase and import the "Shape Files" so the feature classes of the shape files are a part of the geodatabase. I used the terms for a better understanding to get a clear separation between the table created by my own an the imported classes.I hope you understand me right. The selection which the user makes on the user interface in ArcMAP to get the rows and information of out of the feature classes are the steps which I want to perform in C#. In this case for the "easy" example but in the future for more complex cases
Feb
10
comment Benefits of relationship classes and how they can be accessed in c#
Both are "normal" Simple Relationship Classes. In ArcMap the user can query the table of the geodatabase using this relationships to get the rows (and the information) displayed from the attribut table of the shape files.