/// <summary>
/// Convert from an object to a DbType
/// </summary>
/// <param name="context">Context object</param>
/// <param name="culture">Culture info</param>
/// <param name="value">Value</param>
/// <returns>The DbType version</returns>
public override object ConvertFrom(System.ComponentModel.ITypeDescriptorContext context, System.Globalization.CultureInfo culture, object value)
{
if (value == null)
{
return(null);
}
Type ValueType = value.GetType();
if (ConvertFromTypes.ContainsKey(ValueType))
{
return(ConvertFromTypes[ValueType](value));
}
return(base.ConvertFrom(context, culture, value));
}
/// <summary>
/// Constructor
/// </summary>
public DbTypeTypeConverter()
{
ConvertToTypes.Add(typeof(Type), DbTypeToType);
ConvertToTypes.Add(typeof(SqlDbType), DbTypeToSqlDbType);
ConvertFromTypes.Add(typeof(Type).GetType(), TypeToDbType);
ConvertFromTypes.Add(typeof(SqlDbType), SqlDbTypeToDbType);
}
/// <summary>
/// Constructor
/// </summary>
public SqlDbTypeTypeConverter()
: base()
{
ConvertToTypes.Add(typeof(Type), SqlDbTypeToType);
ConvertToTypes.Add(typeof(DbType), SqlDbTypeToDbType);
ConvertFromTypes.Add(typeof(Type).GetType(), TypeToSqlDbType);
ConvertFromTypes.Add(typeof(DbType), DbTypeToSqlDbType);
Conversions = new ConcurrentDictionary <Type, DbType>();
Conversions.AddOrUpdate(typeof(byte), DbType.Byte, (x, y) => y);
Conversions.AddOrUpdate(typeof(byte?), DbType.Byte, (x, y) => y);
Conversions.AddOrUpdate(typeof(sbyte), DbType.SByte, (x, y) => y);
Conversions.AddOrUpdate(typeof(sbyte?), DbType.SByte, (x, y) => y);
Conversions.AddOrUpdate(typeof(short), DbType.Int16, (x, y) => y);
Conversions.AddOrUpdate(typeof(short?), DbType.Int16, (x, y) => y);
Conversions.AddOrUpdate(typeof(ushort), DbType.UInt16, (x, y) => y);
Conversions.AddOrUpdate(typeof(ushort?), DbType.UInt16, (x, y) => y);
Conversions.AddOrUpdate(typeof(int), DbType.Int32, (x, y) => y);
Conversions.AddOrUpdate(typeof(int?), DbType.Int32, (x, y) => y);
Conversions.AddOrUpdate(typeof(uint), DbType.UInt32, (x, y) => y);
Conversions.AddOrUpdate(typeof(uint?), DbType.UInt32, (x, y) => y);
Conversions.AddOrUpdate(typeof(long), DbType.Int64, (x, y) => y);
Conversions.AddOrUpdate(typeof(long?), DbType.Int64, (x, y) => y);
Conversions.AddOrUpdate(typeof(ulong), DbType.UInt64, (x, y) => y);
Conversions.AddOrUpdate(typeof(ulong?), DbType.UInt64, (x, y) => y);
Conversions.AddOrUpdate(typeof(float), DbType.Single, (x, y) => y);
Conversions.AddOrUpdate(typeof(float?), DbType.Single, (x, y) => y);
Conversions.AddOrUpdate(typeof(double), DbType.Double, (x, y) => y);
Conversions.AddOrUpdate(typeof(double?), DbType.Double, (x, y) => y);
Conversions.AddOrUpdate(typeof(decimal), DbType.Decimal, (x, y) => y);
Conversions.AddOrUpdate(typeof(decimal?), DbType.Decimal, (x, y) => y);
Conversions.AddOrUpdate(typeof(bool), DbType.Boolean, (x, y) => y);
Conversions.AddOrUpdate(typeof(bool?), DbType.Boolean, (x, y) => y);
Conversions.AddOrUpdate(typeof(string), DbType.String, (x, y) => y);
Conversions.AddOrUpdate(typeof(char), DbType.StringFixedLength, (x, y) => y);
Conversions.AddOrUpdate(typeof(char?), DbType.StringFixedLength, (x, y) => y);
Conversions.AddOrUpdate(typeof(Guid), DbType.Guid, (x, y) => y);
Conversions.AddOrUpdate(typeof(Guid?), DbType.Guid, (x, y) => y);
Conversions.AddOrUpdate(typeof(DateTime), DbType.DateTime2, (x, y) => y);
Conversions.AddOrUpdate(typeof(DateTime?), DbType.DateTime2, (x, y) => y);
Conversions.AddOrUpdate(typeof(DateTimeOffset), DbType.DateTimeOffset, (x, y) => y);
Conversions.AddOrUpdate(typeof(DateTimeOffset?), DbType.DateTimeOffset, (x, y) => y);
Conversions.AddOrUpdate(typeof(byte[]), DbType.Binary, (x, y) => y);
}
