public SqlMetaData Create(SqlDescriptionAttribute sqlDescriptionAttribute)
{
if (!sqlDescriptionAttribute.HasDbType)
{
throw new ArgumentNullException("sqlDescriptionAttribute", "SqlDbType can not be null");
}
return sqlDescriptionAttribute.HasLength
? new SqlMetaData(sqlDescriptionAttribute.Name, sqlDescriptionAttribute.SqlDbType, sqlDescriptionAttribute.Length)
: new SqlMetaData(sqlDescriptionAttribute.Name, sqlDescriptionAttribute.SqlDbType);
}
public void SetValue(ref SqlDataRecord sqlDataRecord, SqlDescriptionAttribute sqlDescription, object value,
int ordinal)
{
if (!sqlDescription.HasDbType)
{
throw new InvalidDataException("SqlDbType can not be null");
}
if (value == null)
{
sqlDataRecord.SetDBNull(ordinal);
return;
}
switch (sqlDescription.SqlDbType)
{
case SqlDbType.BigInt:
var ll = value as long?;
if (!ll.HasValue)
{
throw new Exception("Value is not BigInt");
}
sqlDataRecord.SetInt64(ordinal, ll.Value);
break;
case SqlDbType.Binary:
var bb = value as byte?;
if (!bb.HasValue)
{
throw new Exception("Value is not BigInt");
}
sqlDataRecord.SetSqlByte(ordinal, bb.Value);
break;
case SqlDbType.Bit:
var bit = value as bool?;
if (!bit.HasValue)
{
throw new Exception("Value is not Bit");
}
sqlDataRecord.SetBoolean(ordinal, bit.Value);
break;
case SqlDbType.NChar:
case SqlDbType.Char:
var chr = value as char?;
if (!chr.HasValue)
{
throw new Exception("Value is not Char");
}
sqlDataRecord.SetChar(ordinal, chr.Value);
break;
case SqlDbType.DateTime:
case SqlDbType.SmallDateTime:
case SqlDbType.Date:
case SqlDbType.DateTime2:
var dt = value as DateTime?;
if (!dt.HasValue)
{
throw new Exception("Value is not DateTime");
}
sqlDataRecord.SetDateTime(ordinal, dt.Value);
break;
case SqlDbType.Decimal:
case SqlDbType.Money:
case SqlDbType.SmallMoney:
var dc = value as decimal?;
if (!dc.HasValue)
{
throw new Exception("Value is not Decimal");
}
sqlDataRecord.SetDecimal(ordinal, dc.Value);
break;
case SqlDbType.Float:
var d = value as double?;
if (!d.HasValue)
{
throw new Exception("Value is not Double");
}
sqlDataRecord.SetDouble(ordinal, d.Value);
break;
case SqlDbType.Image:
case SqlDbType.VarBinary:
var bytes = value as byte[];
if (bytes == null)
{
throw new Exception("Value is not byte array");
}
sqlDataRecord.SetBytes(ordinal, 0, bytes, 0, bytes.Length);
break;
case SqlDbType.Int:
var integer = value as int?;
if (integer == null)
{
var ushortValue = (value as ushort?);
if (ushortValue == null)
{
throw new Exception("Value is not int or ushort");
}
integer = ushortValue.Value;
}
sqlDataRecord.SetInt32(ordinal, integer.Value);
break;
case SqlDbType.NText:
case SqlDbType.NVarChar:
case SqlDbType.VarChar:
case SqlDbType.Text:
case SqlDbType.Xml:
var str = value as string;
if (str == null)
{
var chars = value as char[];
if (chars == null)
{
throw new Exception("Value is not string or char array");
}
str = new string(chars);
}
sqlDataRecord.SetString(ordinal, str);
break;
case SqlDbType.Real:
var f = value as float?;
if (f == null)
{
throw new Exception("Value is not float");
}
sqlDataRecord.SetFloat(ordinal, f.Value);
break;
case SqlDbType.UniqueIdentifier:
var guid = value as Guid?;
if (guid == null)
{
throw new Exception("Value is not Guid");
}
sqlDataRecord.SetGuid(ordinal, guid.Value);
break;
case SqlDbType.SmallInt:
var sh = value as short?;
if (sh == null)
{
var uByte = value as sbyte?;
if (uByte == null)
{
throw new Exception("Value is not short or sbyte");
}
sh = uByte.Value;
}
sqlDataRecord.SetInt16(ordinal, sh.Value);
break;
case SqlDbType.TinyInt:
var b = value as byte?;
if (b == null)
{
throw new Exception("Value is not byte");
}
sqlDataRecord.SetByte(ordinal, b.Value);
break;
case SqlDbType.Time:
var timeSpan = value as TimeSpan?;
if (timeSpan == null)
{
throw new Exception("Value is not TimeSpan");
}
sqlDataRecord.SetTimeSpan(ordinal, timeSpan.Value);
break;
case SqlDbType.DateTimeOffset:
var dateTimeOffset = value as DateTimeOffset?;
if (dateTimeOffset == null)
{
throw new Exception("Value is not DateTimeOffset");
}
sqlDataRecord.SetDateTimeOffset(ordinal, dateTimeOffset.Value);
break;
case SqlDbType.Structured:
case SqlDbType.Udt:
case SqlDbType.Timestamp:
case SqlDbType.Variant:
throw new NotImplementedException();
default:
throw new ArgumentOutOfRangeException();
}
}
