Set properties by reflection

Question

I have this:

foreach (KeyValuePair<string, decimal> update in updates)
{
salesorder.GetType().InvokeMember(update.Key, BindingFlags.Instance | BindingFlags.Public | BindingFlags.SetProperty, Type.DefaultBinder, salesorder, update.Value);
}

I found the example on this site but it was using a string, my example is decimal but it says cannot convert from decimal to object[]

Thanks

Glorfindel · Accepted Answer · 2015-05-27 14:05:41Z

3

The last parameter has to be an object[], so you need to wrap the decimal:

foreach (KeyValuePair<string, decimal> update in updates)
{
    salesorder.GetType().InvokeMember(update.Key, BindingFlags.Instance | BindingFlags.Public | BindingFlags.SetProperty, Type.DefaultBinder, salesorder, new object[] { update.Value });
}

If you want to set values 'deeper' (as indicated in your comments):

foreach (KeyValuePair<string, decimal> update in updates)
{
    var property = salesorder.GetType().InvokeMember(update.Key, BindingFlags.Instance | BindingFlags.Public | BindingFlags.GetProperty, Type.DefaultBinder, salesorder, new object[] { });
    property.GetType().InvokeMember("Value", BindingFlags.Instance | BindingFlags.Public | BindingFlags.SetProperty, Type.DefaultBinder, property, new object[] { update.Value });
}

edited May 27, 2015 at 14:05

answered May 27, 2015 at 13:27

Glorfindel

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3 Comments

Ben Durkin Over a year ago

Thanks - i'm getting this now - Method salesorder.new_operations_dealerinvoicefunder' not found. I'm trying to set the property value not call a method by that name.

Glorfindel Over a year ago

Then your Key is wrong. You can use InvokeMember for properties, fields or members alike: msdn.microsoft.com/en-us/library/66btctbe(v=vs.110).aspx

Ben Durkin Over a year ago

I think it's because the property I need to set is a level down, i.e. salesorder.new_operations_dealerfunderinvoice.Value = value instead of salesorder.new_operations_dealerfunderinvoice = value. Is that possible?

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