npgsql 0.7beta3 的一個Bug （submitted）

Summary:	Parameters property of Command class doesnot support indexing by column name (ID: 1106)
Bug Type:	Software bug
Severity:	Serious
Software Version:	0.7beta3
Environment:
OS: windows 2003 DB:PostgreSQL 8.0.0-rc1 npgsql Package:Npgsql0.7beta3-bin
Description:
Parameters property of Command class doesnot support indexing by column name. When I use these everything is okey: IDbDataParameter idbPrmtr = cmd.Parameters[0] as IDbDataParameter; ... But throw exception (System.ArgumentOutOfRangeException: Index was out of range. Must be non-negative and less than the size of the collection.) when: IDbDataParameter idbPrmtr = cmd.Parameters["ACertainColumnName"] as IDbDataParameter; Exception detail: ---> System.ArgumentOutOfRangeException: Index was out of range. Must be non-negative and less than the size of the collection. Parameter name: index at System.Collections.ArrayList.get_Item(Int32 index) at Npgsql.NpgsqlParameterCollection.System.Data.IDataParameterCollection.get_Item(String parameterName) at KampSln.DataAccess.DataBaseInfo.PutDataToDb(Int32 toDbObjIndex, DataTable data, String toTableName) in c:\documents and settings\v-kaiboh\my documents\visual studio projects\itemmaintainment\dataaccess\databaseinfo.cs:line 551 --- End of inner exception stack trace --- Another error: IDbDataParameter idbPrmtr = cmd.Parameters[0] as IDbDataParameter; is okey but cmd.Parameters[0].Value = 1; will throw an exception and say 'does not support index'.

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