I will use FieldInfo to import values from a XML file into the fields of an
objects. But how to convert to the proper type like in this:
public void Load(object MyClass)
{
foreach( FieldInfo field in MyClass.GetType ().GetFields() )
{
field.SetValue( MyClass,
String_From_XML _Representing_T he_Field_Value) ;
}
}
The SetValue method doesn't automatically convert to the correct type and
therefore raises an error, so how do I do that?
Mvh
Ole 6 5809
Hi ORC,
"FieldInfo" has a "DeclaringT ype" property.
If that type is simple type the you can write
simlpe "switch()" statement.
On the other way, you can use that type to find out the
right "Parse()" method.
e.g. by:
MethodInfo mi=field.Declar ingType.GetMeth od("Parse", new Type[] {
typeof(string)} );
HTH
Marcin I will use FieldInfo to import values from a XML file into the fields of an objects. But how to convert to the proper type like in this:
public void Load(object MyClass) { foreach( FieldInfo field in MyClass.GetType ().GetFields() ) { field.SetValue( MyClass, String_From_XML _Representing_T he_Field_Value) ; } }
The SetValue method doesn't automatically convert to the correct type and therefore raises an error, so how do I do that?
Mvh Ole
Hi,
Thanks. I've been studying since I wrote my question and have found that
this might solve the problem in an easy and clean way:
field.SetValue( MyClass, Convert.ChangeT ype(param, field.FieldType ,
??Iprovider??)) ;
But as you see from the '??' in the above I'm stucked in 'Iprovider'
parameter. The reason for using this is that it is the only overload of
ChangeType supported in Compact Framework.
So now my question is: How do I use the Iprovider ???? I know it has to do
with culture dependency, but how to handle it so that the ChangeType allways
will use the dot as a dicimal symbol no matter what the OS is set to?
Thank you for your help!
Ole
"Marcin Grzębski" <mg*******@taxu ssi.no.com.spam .pl> wrote in message
news:co******** **@nemesis.news .tpi.pl... Hi ORC,
"FieldInfo" has a "DeclaringT ype" property. If that type is simple type the you can write simlpe "switch()" statement. On the other way, you can use that type to find out the right "Parse()" method.
e.g. by: MethodInfo mi=field.Declar ingType.GetMeth od("Parse", new Type[] { typeof(string)} );
HTH Marcin
I will use FieldInfo to import values from a XML file into the fields of
an objects. But how to convert to the proper type like in this:
public void Load(object MyClass) { foreach( FieldInfo field in MyClass.GetType ().GetFields() ) { field.SetValue( MyClass, String_From_XML _Representing_T he_Field_Value) ; } }
The SetValue method doesn't automatically convert to the correct type
and therefore raises an error, so how do I do that?
Mvh Ole
Hi ORC,
"FieldInfo" has a "DeclaringT ype" property.
If that type is simple type the you can write
simlpe "switch()" statement.
On the other way, you can use that type to find out the
right "Parse()" method.
e.g. by:
MethodInfo mi=field.Declar ingType.GetMeth od("Parse", new Type[] {
typeof(string)} );
HTH
Marcin I will use FieldInfo to import values from a XML file into the fields of an objects. But how to convert to the proper type like in this:
public void Load(object MyClass) { foreach( FieldInfo field in MyClass.GetType ().GetFields() ) { field.SetValue( MyClass, String_From_XML _Representing_T he_Field_Value) ; } }
The SetValue method doesn't automatically convert to the correct type and therefore raises an error, so how do I do that?
Mvh Ole
Hi,
Thanks. I've been studying since I wrote my question and have found that
this might solve the problem in an easy and clean way:
field.SetValue( MyClass, Convert.ChangeT ype(param, field.FieldType ,
??Iprovider??)) ;
But as you see from the '??' in the above I'm stucked in 'Iprovider'
parameter. The reason for using this is that it is the only overload of
ChangeType supported in Compact Framework.
So now my question is: How do I use the Iprovider ???? I know it has to do
with culture dependency, but how to handle it so that the ChangeType allways
will use the dot as a dicimal symbol no matter what the OS is set to?
Thank you for your help!
Ole
"Marcin Grzębski" <mg*******@taxu ssi.no.com.spam .pl> wrote in message
news:co******** **@nemesis.news .tpi.pl... Hi ORC,
"FieldInfo" has a "DeclaringT ype" property. If that type is simple type the you can write simlpe "switch()" statement. On the other way, you can use that type to find out the right "Parse()" method.
e.g. by: MethodInfo mi=field.Declar ingType.GetMeth od("Parse", new Type[] { typeof(string)} );
HTH Marcin
I will use FieldInfo to import values from a XML file into the fields of
an objects. But how to convert to the proper type like in this:
public void Load(object MyClass) { foreach( FieldInfo field in MyClass.GetType ().GetFields() ) { field.SetValue( MyClass, String_From_XML _Representing_T he_Field_Value) ; } }
The SetValue method doesn't automatically convert to the correct type
and therefore raises an error, so how do I do that?
Mvh Ole
Hi Ole, Hi,
Thanks. I've been studying since I wrote my question and have found that this might solve the problem in an easy and clean way: field.SetValue( MyClass, Convert.ChangeT ype(param, field.FieldType , ??Iprovider??)) ;
But as you see from the '??' in the above I'm stucked in 'Iprovider' parameter. The reason for using this is that it is the only overload of ChangeType supported in Compact Framework.
So now my question is: How do I use the Iprovider ???? I know it has to do with culture dependency, but how to handle it so that the ChangeType allways will use the dot as a dicimal symbol no matter what the OS is set to?
Thank you for your help! Ole
If your "param" is the string representation of field's value
then i don't think that "Convert.Change Type(...)" is the right
solution for your problem.
If i'm wrong about "param" then don't read the next part.
If your "field" type is a Type that has a static "Parse(stri ng str)"
method then you could "Ivoke" that method with "param" parameter
to get "field" value. Elswere you can write more sophisticated
algorithm for a string conversion.
HTH
Marcin
Hi Marcin,
Thanks. I found a soultion to all that - try to have a look at thread:
"Regional settings in XML ?" dated november 27. and sent from me (ORC) -
it's also in this csharp newsgroup.
BR
Ole
"Marcin Grzębski" <mg*******@taxu ssi.spamstop.co m.spamstop.pl> wrote in
message news:co******** ***@mamut.aster .pl... Hi Ole,
Hi,
Thanks. I've been studying since I wrote my question and have found that this might solve the problem in an easy and clean way: field.SetValue( MyClass, Convert.ChangeT ype(param, field.FieldType , ??Iprovider??)) ;
But as you see from the '??' in the above I'm stucked in 'Iprovider' parameter. The reason for using this is that it is the only overload of ChangeType supported in Compact Framework.
So now my question is: How do I use the Iprovider ???? I know it has to
do with culture dependency, but how to handle it so that the ChangeType
allways will use the dot as a dicimal symbol no matter what the OS is set to?
Thank you for your help! Ole
If your "param" is the string representation of field's value then i don't think that "Convert.Change Type(...)" is the right solution for your problem.
If i'm wrong about "param" then don't read the next part.
If your "field" type is a Type that has a static "Parse(stri ng str)" method then you could "Ivoke" that method with "param" parameter to get "field" value. Elswere you can write more sophisticated algorithm for a string conversion.
HTH Marcin This thread has been closed and replies have been disabled. Please start a new discussion. Similar topics |
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I will use FieldInfo to import values from a XML file into the fields of an
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public void Load(object MyClass)
{
foreach( FieldInfo field in MyClass.GetType().GetFields() )
{
field.SetValue(MyClass,
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