|
public ConvertFromDbValue ( IDataReader reader, int index, |
||
| reader | IDataReader | The IDataReader containing the results. |
| index | int | The index of the record to read from the IDataReader. |
| type | The type to convert result value to. | |
| return | object | |
public object ConvertFromDbValue(IDataReader reader, int index, Type type)
{
if (reader == null)
{
throw new ArgumentNullException("reader");
}
if (type == null)
{
throw new ArgumentNullException("type");
}
if (reader.IsDBNull(index))
{
return null;
}
var value = reader[index];
if (type.IsValueType && type.IsGenericType)
{
ValueType converted = (ValueType)value;
return converted;
}
else
{
var converted = Convert.ChangeType(value, type, CultureInfo.InvariantCulture);
return converted;
}
}
|
ObjectTypeConverter::ConvertFromDbValue ( object value, |
public void AnArgumentNullExceptionShouldBeThrown()
{
var typeConverter = new ObjectTypeConverter();
var exception = Assert.Throws<ArgumentNullException>(
() => typeConverter.ConvertFromDbValue(1, null));
Assert.Equal("type", exception.ParamName);
}