Serialization and Custom Attributes

[Jon Jon]

1st please forgive me if I posted this to the wrong news group(s), news
group guidance would be appreciated.

Question: I have the following sample class generated from XSD.exe (Vs
2005). I would like to set an attribute
on each field (LastName,FirstName,etc) that indicates if the field is
ReadOnly/ViewOnly/Unrestricted. If I create
the attributes in the Schema and then run the XSD, the output/class is very
cumbersome. My web service is passing this
structure back to the client, and I would like the client to be able to
query the field level security.

I would like to implement something like

[System.Xml.Serialization>XmlElementAttribute(Secur ity="ReadOnly")]
public string LastName {
get {
return this.lastNameField;
}
set {
this.lastNameField = value;
}
}

Is there some way I can assign an XMLAttribute at design time, that I can
set at runtime to indicate the different field level
security priviledges ?

Purpose: To Implement Field Level Security from the Schema

//----------------------------------------------------------------------------------------------------------

[System.CodeDom.Compiler.GeneratedCodeAttribute("xs d", "2.0.50727.42")]
[System.SerializableAttribute()]
[System.Diagnostics.DebuggerStepThroughAttribute()]
[System.ComponentModel.DesignerCategoryAttribute("c ode")]
[System.Xml.Serialization.XmlTypeAttribute(Anonymou sType=true)]
[System.Xml.Serialization.XmlRootAttribute(Namespac e="http://tempuri.org/Example.xsd",
IsNullable=false)]
public partial class Person {

private string lastNameField;

private string firstnameField;

private System.DateTime birthdateField;

/// <remarks/>
public string LastName {
get {
return this.lastNameField;
}
set {
this.lastNameField = value;
}
}

/// <remarks/>
public string Firstname {
get {
return this.firstnameField;
}
set {
this.firstnameField = value;
}
}

/// <remarks/>
[System.Xml.Serialization.XmlElementAttribute(DataT ype="date")]
public System.DateTime Birthdate {
get {
return this.birthdateField;
}
set {
this.birthdateField = value;
}
}

[cancer]

You can't set attributes at runtime because they are just declarative.
You have to use a separate field for each.
Maybe you can use something like this:

public enum FieldSecurity
{
ReadOnly,
ViewOnly,
Unrestricted
}
private FieldSecurity lastNameSecurityField;

[System.Xml.Serialization.XmlAttributeAttribute]
public FieldSecurity LastNameSecurity
{
get
{
return lastNameSecurityField;
}
set
{
lastNameSecurityField = value;
}
}

[Greg Young]

Actually you can set attributes at runtime if you use a custom type
descriptor http://msdn2.microsoft.com/en-us/library/ms171819.aspx.

Cheers,

Greg Young
MVP - C#
"cancer" <to**********@hotmail.com> wrote in message
news:11**********************@e56g2000cwe.googlegr oups.com...

You can't set attributes at runtime because they are just declarative.
You have to use a separate field for each.
Maybe you can use something like this:

public enum FieldSecurity
{
ReadOnly,
ViewOnly,
Unrestricted
}
private FieldSecurity lastNameSecurityField;

[System.Xml.Serialization.XmlAttributeAttribute]
public FieldSecurity LastNameSecurity
{
get
{
return lastNameSecurityField;
}
set
{
lastNameSecurityField = value;
}
}