Invalid index -1 for this OracleParameterCollection with Cou

?cm.Parameters["dtDate"].Value = dtDate;

 

'cm.Parameters["dtDate"].Value = dtDate' threw an exception of type 'System.IndexOutOfRangeException'

Data: {System.Collections.ListDictionaryInternal}

HResult: -2146233080

HelpLink: null

InnerException: null

Message: "Invalid index -1 for this OracleParameterCollection with Count=0."

Source: "System.Data.OracleClient"

StackTrace: " at System.Data.OracleClient.OracleParameterCollection.RangeCheck(Int32 index)\r\n at System.Data.OracleClient.OracleParameterCollection.GetParameter(Int32 index)\r\n at System.Data.OracleClient.OracleParameterCollection.get_Item(String parameterName)"

TargetSite: {Void RangeCheck(Int32)}

Regards,
K 

public DataTable CYselect(DateTime dtDate)

{

try

{

OracleCommand cm = BuildStoredProcedure("TestCurrentYear",true);

cm.Parameters["dtDate"].Value = dtDate;

DataTable dtPeriod = ExecuteQuery(cm);

if (dtPeriod.Rows.Count <= 0)

{ dtPeriod.Rows.Add(new object[] { -1 });}

return dtPeriod;

}

catch (Exception ex)

{

LogDataBaseError(ex);

return null;

}

}