ALTER PROCEDURE [dbo].[sp_SensorsDigitalInGet] @SerialNumber nvarchar(50) = null, @Id nvarchar(50) = null AS BEGIN SET NOCOUNT ON; SELECT [SerialNumber] as 'SettingName' ,[SettingMode] ,[ScaleMultiplier] ,[LastModified] ,[LastModifiedBy] ,[eId] ,[UserValue1] ,[UserValue2] ,[UserValue3] ,[UserTags] ,[MeasurementUnit] FROM [dbo].[SensorsDigitalIn] where (@SerialNumber is null or SerialNumber = @SerialNumber ) AND (@Id is null or eId = @Id) END