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213 views

Form for object with computed property in terms of a navigation property

Context Here's a model class: public class HealthRecord { public int Id { get; set; } [DataType(DataType.Date)] public DateTime Date { get; set; } [DataType(...
dharmatech's user avatar
  • 9,585
0 votes
0 answers
219 views

Calculated field not displaying data-reports devexpress

I have many calculated fields in my report. I have set Datsource and datamember and given field type and dragged the field into report. On running data is not showing up. Expression given is: Iif([...
user14805556's user avatar
0 votes
1 answer
107 views

UWP - MVVM - value not updated when calculated propoerty value changes

I'm developping a UWP app based of MVVM Pattern. I Created a View Bound to a Parent ViewModel. Parent View Model Contains a Child ViewModel Property Child ViewModel contains some informations, ...
Régis's user avatar
  • 245
0 votes
1 answer
96 views

delayed trigger for calculation with data binding

I'm very new to WPF and currently learning the concepts of data binding. my simplified XAML code. besides my problem (below) it works fine - quick and dirty placing of objects via GUI, will be ...
doomi's user avatar
  • 53
0 votes
1 answer
271 views

C# LINQ Query with Calculated Field and Subquery in a Select Clause

I'm writing a LINQ query in my C# project as below but the compiler doesn't like the calculated field 'Enabled'. It says the comparison between (a.Qtty * a.Price) and the subquery can't be done ...
Erich Mönch's user avatar
1 vote
1 answer
56 views

how to use in data from oracle to calculate on C#?

I have a table in Oracle with lots of data. In the structure of: code_value date_value value 1 20/07/2017 10.5 1 19/07/2017 11.6 2 20/07/2017 ...
prog_prog's user avatar
  • 391
-4 votes
2 answers
88 views

The Code Won't Execute all [closed]

I have the following code: private void G1_CellDoubleClick(object sender, DataGridViewCellEventArgs e) { decimal quantity = 0, cost = 0; decimal totalstock = 0, ...
Serenade's user avatar
3 votes
1 answer
5k views

open xml sdk doesn't read/calculate excel formula cell

I have excel file that has formula =SUM(C2:C3) in cell C4. I have values 15 and 17 in cells C2 and C3 respectively. Programmatically, I want to be able to execute C4 formula and get back the value 32 (...
dotnet-practitioner's user avatar
0 votes
1 answer
329 views

Value for calculated property only if bit value equals true

If I am going to have a page that displays Ingredients that are marked IsProduct on one page and use the Ingredient name to generate an image url value. And then on another page use ingredients that ...
Eric Bishard's user avatar
  • 5,371
0 votes
1 answer
216 views

Custom calculated field in ListBox with databinding

I'm making my first Windows Phone 7 App and it's almost done, except for a calculated field in my listbox. I have a single database with an id, a name, and an integer. I'm using the MVVM pattern. ...
Eagle's user avatar
  • 1,074
0 votes
1 answer
680 views

Adding a property that sums the results of a query in Lightswitch 2012

I have a project using C# in Lightswitch 2012 that has the following tables: Clients Id - Integer CaseID - Long Integer FullName - String Address - String Tracking - TrackingItem Collection Staff Id -...
Robert B's user avatar
  • 4,023
3 votes
1 answer
737 views

Entity framework calculated field by Expression<Func<T,V>>

I would like to create calculated fields only in .net code, without defining columns in sql. For example in this classes: public class Customer { public int Id { get; set; } ...
pil0t's user avatar
  • 2,183
0 votes
1 answer
96 views

Calculating with a hidden number

Design: ComboBox1__txtBox1__txtBox2___txtBox3 When you select a name in comboBox1 a number is called with DataBinding in txtBox1 and txtBox2. double a1 = Convert.ToDouble(textBox1.Text); double b1 =...
user2162570's user avatar
0 votes
1 answer
1k views

Listbox.DisplayMember won't display value from calculated property

I'm using SubSonic 2.2 for my DAL and extended one of my classes with a calculated property that returns a string containing another property with indenting based on the level of the outline at which ...
Mike Devenney's user avatar