public override object GetParameterValue(DbCommand command, string parameterName)
{
object convertedValue = base.GetParameterValue(command, parameterName);
ParameterTypeRegistry registry = GetParameterTypeRegistry(command.CommandText);
if (registry != null)
{
if (registry.HasRegisteredParameterType(parameterName))
{
DbType dbType = registry.GetRegisteredParameterType(parameterName);
if (DbType.Guid == dbType)
{
convertedValue = ConvertByteArrayToGuid(convertedValue);
}
else if (DbType.Boolean == dbType)
{
convertedValue = Convert.ToBoolean(convertedValue, CultureInfo.InvariantCulture);
}
}
}
return(convertedValue);
}
private void RegisterParameterType(DbCommand command, string parameterName, DbType dbType)
{
ParameterTypeRegistry registry = GetParameterTypeRegistry(command.CommandText);
if (registry == null)
{
registry = new ParameterTypeRegistry(command.CommandText);
registeredParameterTypes.Add(command.CommandText, registry);
}
registry.RegisterParameterType(parameterName, dbType);
}
/// <summary>
/// 设置参数值
/// </summary>
/// <param name="command"></param>
/// <param name="parameterName">参数名称</param>
/// <param name="value">参数值</param>
public override void SetParameterValue(DbCommand command, string parameterName, object value)
{
object convertedValue = value;
ParameterTypeRegistry registry = GetParameterTypeRegistry(command.CommandText);
if (registry != null)
{
if (registry.HasRegisteredParameterType(parameterName))
{
DbType dbType = registry.GetRegisteredParameterType(parameterName);
if (DbType.Guid == dbType)
{
convertedValue = ConvertGuidToByteArray(value);
}
}
}
base.SetParameterValue(command, parameterName, convertedValue);
}