Sql to C# data type conversion code snippet

sql-to-c-sharp.cs

public static Type GetClrType(SqlDbType sqlType)
{
    switch (sqlType)
    {
        case SqlDbType.BigInt:
            return typeof(long?);
 
        case SqlDbType.Binary:
        case SqlDbType.Image:
        case SqlDbType.Timestamp:
        case SqlDbType.VarBinary:
            return typeof(byte[]);
 
        case SqlDbType.Bit:
            return typeof(bool?);
 
        case SqlDbType.Char:
        case SqlDbType.NChar:
        case SqlDbType.NText:
        case SqlDbType.NVarChar:
        case SqlDbType.Text:
        case SqlDbType.VarChar:
        case SqlDbType.Xml:
            return typeof(string);
 
        case SqlDbType.DateTime:
        case SqlDbType.SmallDateTime:
        case SqlDbType.Date:
        case SqlDbType.Time:
        case SqlDbType.DateTime2:
            return typeof(DateTime?);
 
        case SqlDbType.Decimal:
        case SqlDbType.Money:
        case SqlDbType.SmallMoney:
            return typeof(decimal?);
 
        case SqlDbType.Float:
            return typeof(double?);
 
        case SqlDbType.Int:
            return typeof(int?);
 
        case SqlDbType.Real:
            return typeof(float?);
 
        case SqlDbType.UniqueIdentifier:
            return typeof(Guid?);
 
        case SqlDbType.SmallInt:
            return typeof(short?);
 
        case SqlDbType.TinyInt:
            return typeof(byte?);
 
        case SqlDbType.Variant:
        case SqlDbType.Udt:
            return typeof(object);
 
        case SqlDbType.Structured:
            return typeof(DataTable);
 
        case SqlDbType.DateTimeOffset:
            return typeof(DateTimeOffset?);
 
        default:
            throw new ArgumentOutOfRangeException("sqlType");
    }
}