//---------------------------------------------------------------------
public virtual void Pull(CEntity ety, DataRow row, TMetaColumn mc)
{
string columnName = mc.ColumnName;
//if(columnName=="A1623") {
// Debug.WriteLine("XXX");
//}
object v0 = row[columnName];
//TODO: how to know nullable property
/// System.Nullable int? No;
if (mc.IsGenericType)
{
if (v0 == DBNull.Value)
{
ety.SetEpoPorpertyValue(mc, null);
}
else
{
ety.SetEpoPorpertyValue(mc, v0);
}
return;
}
object customNullValue = mc.MappingAttribute.NullValue;
if (customNullValue == null)
{
object v1 = TConvert.DbValue2DataValue(mc.DataType, v0); /// most hit here!
ety.SetEpoPorpertyValue(mc, v1);
return;
}
/// CustomNullValue
//TODO: customNullValue!=null issues, not finished....
Type underlyingType = mc.UnderlyingType;
if (customNullValue.GetType() != underlyingType)
{
if (underlyingType == typeof(Decimal))
{
// float to decimal string to decimal
Decimal d = Convert.ToDecimal(customNullValue);
object v2 = TConvert.DbValue2DataValue(underlyingType, row[columnName], d);
ety.SetEpoPorpertyValue(mc, v2);
}
else
{
throw new TException("nullValue.GetType() differ value.GetType");
}
}
else
{
object v3 = TConvert.DbValue2DataValue(underlyingType, row[columnName], customNullValue);
ety.SetEpoPorpertyValue(mc, v3);
}
}
//---------------------------------------------------------------------
public virtual object GetDbValue(TMetaColumn mc)
{
object dataValue = this.GetEpoPropertyValue(mc);
if (mc.IsGenericType)
{
if (dataValue == null)
{
return(DBNull.Value);
}
else
{
return(dataValue);
}
}
Type dotNetType = mc.UnderlyingType;
object customNullValue = mc.MappingAttribute.NullValue;
if (customNullValue == null)
{
return(TConvert.DataValue2DbValue(mc.DataType, dataValue));
}
/// CustomNullValue
if (customNullValue.GetType() != dotNetType)
{
if (dotNetType == typeof(Decimal))
{ /// float to decimal
Decimal decima = Convert.ToDecimal(customNullValue);
return(TConvert.DataValue2DbValue(dataValue, decima));
}
else
{
throw new TException("nullValue.GetType() differ value.GetType");
}
}
else
{
return(TConvert.DataValue2DbValue(dataValue, customNullValue));
}
}
//---------------------------------------------------------------------
public virtual void Push(DataRow row, TMetaColumn mc)
{
if (mc.IsNotSave || mc.IsBrutallySave)
{
return;
}
string columnName = mc.ColumnName;
//if(columnName=="A1623") {
// Debug.WriteLine("Xxx");
//}
DataColumn dataColumn = row.Table.Columns[columnName];
if (dataColumn == null)
{
throw new TException(this.GetType().FullName + " Column-'" + columnName + "' Missing");
}
var dbValue = this.GetDbValue(mc);
row[columnName] = dbValue;
}
