Re: Execute command object from client-side rule

emadalsous posted on Saturday, October 16, 2010

Hello Rocky, Thanks for your reply. i have looked at the blog you had put about async validation rules

and i did as i found in the blog but there's little problem , that i know that there's something missing in my code

iam sure that i have missed something, i would appreciate if you check the following code for me .

in .NET client ihad this code :

 

 

 

 

 

 

 

 

 

 

 

private class UniqueCurrency : BusinessRule

 

 

 

 

 

{

 

 

 

public UniqueCurrency(PropertyInfo<string> primaryProperty, PropertyInfo<string

> Affectedproperty)

{

InputProperties =

 

 

new List<Csla.Core.IPropertyInfo

> { primaryProperty };

AffectedProperties.Add(Affectedproperty);

}

 

 

 

protected override void Execute(RuleContext context)

// bool UniqueCurrencyName<T>(T target, RuleArgs e) where T : Currency

{

 

 

 

var target = (Currency

)context.Target;

 

 

 

if (target.IsNew && ExsistCurrncyName

.IsExsist(target.ReadProperty(NameProperty)))

{

context.AddErrorResult(

 

 

"This name is allready exsist"

);

and to Async the rule in SL client side i have put the following code :

private class UniqueCurrency : BusinessRule

{

public UniqueCurrency(PropertyInfo<string> primaryProperty, PropertyInfo<string> Affectedproperty)

{

IsAsync=true;

InputProperties = new List<Csla.Core.IPropertyInfo> { primaryProperty };

AffectedProperties.Add(Affectedproperty);

}

 

protected override void Execute(RuleContext context)

{

var bw = new System.ComponentModel.BackgroundWorker();

 

bw.DoWork += (o, e) =>

{

var value = (string)context.InputPropertyValues[InputProperties[0]];

context.AddOutValue(InputProperties[0], value.ToUpper());

};

bw.RunWorkerCompleted += (o, e) =>

{

if (e.Error != null)

context.AddErrorResult(e.Error.Message);

context.Complete();

};

bw.RunWorkerAsync();

}

}

well , what i think is happeining that the rule doesnt check any thing from the server

one more last thing do i have to change any thing in the command that the rule execute on server-side