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Client APIs and toolsYou can use the HCL OneDB™ implementation of client APIs to develop applications for HCL OneDB™ database servers.
OneDB .NET Core ProviderThe .NET Core Provider for OneDB® is used for developing .NET applications.
HCL OneDB™ .NET Core Provider Guide
Type referenceAll of the classes described in these topics belong in the namespace Informix.Net.Core.
IfxDataAdapter class
Create an IfxDataAdapter
IfxDataAdapter constructors

IfxDataAdapter constructors

IfxDataAdapter()
IfxDataAdapter(IfxCommand selectCommand)
IfxDataAdapter(System.String selectCommandText, IfxConnection selectConnection)
IfxDataAdapter(System.String selectCommandText, System.String selectConnectionString)

An SQL query that returns rows and connection to a database can be provided as either .NET types or strings. The value of selectCommandText is the query written in SQL. The value of selectConnectionString is a connection string as used by the constructors for the IfxConnection object.