12. Understanding .NET Data Provider Connectivity : .NET Data Provider Classes : IngresParameter Class
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IngresParameter Class
The IngresParameter class represents a parameter for an IngresCommand for each question mark (?) placeholder in the command and, optionally, its mapping to a DataSet column.
The IngresParameter constructor determines the data type of the parameter in the following ways:
The constructor specifies an IngresType enumeration
The constructor specifies a System.DbType enumeration
Through the .NET Framework System.Type of the Value object if no specific data type is in the constructor