TimeSpan FbCommand parameter throws InvalidCastException with embedded FB
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Key: DNET-288
URL: http://tracker.firebirdsql.org/browse/DNET-288
Project: .NET Data provider
Issue Type: Bug
Components: ADO.NET Provider
Affects Versions: 2.5.1
Environment: Windows, Firebird 2.1.2, Firebird embedded 2.1.3.18185,
Firebird .net provider 2.5.1.0
Reporter: Pavel Kopecky
Assignee: Jiri Cincura
Priority: Minor
I have a method parameter 'time' of type nullable<TimeSpan>. When I use it with
Firebird 2.1.2, everything is ok, with Firebird embedded I get
InvalidCastException.
This is part of my SQL command:
if (time.HasValue)
sqlText.AppendLine(" AND time_from_t19 <= @time and time_to_t19 >= @time");
(...)
if (time.HasValue)
command.Parameters.AddWithValue("time", time.Value);
Exception:
Type: InvalidCastException
Message: Unable to cast object of type 'System.TimeSpan' to type
'System.Byte[]'.
Source: XXXXXXXX.DBLayer
Target site: FirebirdSql.Data.FirebirdClient.FbDataReader
ExecuteReader(FirebirdSql.Data.FirebirdClient.FbCommand)
When I use this instead, everything is ok:
if (time.HasValue)
sqlText.AppendLine(" AND time_from_t19 <= '" + time.Value.ToString() + "'
and time_to_t19 >= '" + time.Value.ToString() + "'");
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