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# MgSqlDataReader Class Reference
[MgSqlDataReader]

Provides a forward-only, read-only iterator for reading data returned by a call to MgFeatureService::ExecuteSqlQuery. More...

Inherits MgReader.

List of all members.

## Detailed Description

Provides a forward-only, read-only iterator for reading data returned by a call to MgFeatureService::ExecuteSqlQuery.

Remarks:
  The initial position of the SqlReader interface is prior to the first item. Therefore, you must call ReadNext before you can access any data.

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