1. Drag and Drop state numbers and functions?
State 0 Source control is being dragged with the range of a target.
1 Out of the range of a target.
2 One position in the target to another.

2. What is DBFailError?
Rolls Back updates if any errors Occurs

3. Different type of Instantiation?
Private Only for the Specific Module.
Public not creatable Private & Public
Multi Use - Variable we have to declare.
Single Use Not possible through dll.
Global Multiuse Have variable not Required to Declare.
Global Single Use - Only for exe.

4. What the RDO Methods and Events?
Methods Events
Begin Trans Validate
Commit Trans Reposition
Rollback Trans Error
Cancel Query Complied
Refresh
Update Controls
Update row

5. What is DBSqlPassThrough?
It will By Passing the Jet Query Processor.

6. What is Inprocess and Out of Process?
Inprocess It will run with in the memory. ( Local Machine). Out of Process It will run out of the memory Normally in the server side.

7. What is the diff. Between function and sub procedures?
Function will return value but a sub procedure wont return values

8. Referential Integrity (Take care By jet database Engine). Cascade Delete, Cascade Update is done setting property of Attributes.?
DbRelationDeleteCascade, DbRelationUpdateCascade.

9. What is the diff between the Create Object and Get object?
Create Object - To create an instance of an object.
Get Object To get the reference to an existing object.

10. What is the max size allowed for Max label caption length.?
2048