private string GetObjDataType(ObjDataTypeEnum value)
{
Type type = typeof(ObjDataTypeEnum);
FieldInfo fieldInfo = type.GetField(Enum.GetName(type, value));
DescriptionAttribute descAtt =
(DescriptionAttribute)Attribute.GetCustomAttribute(
fieldInfo, typeof(DescriptionAttribute));
if (descAtt != null)
{
return(descAtt.Description);
}
else
{
return(value.ToString());
}
}
public override object ConvertFrom(ITypeDescriptorContext context, CultureInfo culture, object value)
{
if (value is string)
{
try
{
string s = (string)value;
int colon = s.IndexOf(':');
int comma = s.IndexOf(',');
if (colon != -1 && comma != -1)
{
ObjDataTypeEnum objdatetype = GetObjDataTypeStr(s.Substring(colon + 1, (comma - colon - 1)));
colon = s.IndexOf(':', comma + 1);
comma = s.IndexOf(',', comma + 1);
bool isview = Boolean.Parse(s.Substring(colon + 1, (comma - colon - 1)));
colon = s.IndexOf(':', comma + 2);
comma = s.IndexOf(',', comma + 2);
string updatetablefrom = s.Substring(colon + 1, (comma - colon - 1));
colon = s.IndexOf(':', comma + 3);
string storeProcedureQuery = s.Substring(colon + 1);
ObjDataPresentation op = new ObjDataPresentation();
op.ObjDataType = objdatetype;
op.IsSchemaForOther = isview;
op.UpdateTableName = updatetablefrom;
op.StoreProcedureQuery = storeProcedureQuery;
return(op);
}
}
catch
{
throw new ArgumentException(
"无法将“" + (string)value +
"”转换为 SpellingOptions 类型");
}
}
return(base.ConvertFrom(context, culture, value));
}
