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    Question Develop a Linq query

    Hello, I have a database in Access with this architecture: and I need with Linq to calculate and return the total price of a candidate’s training knowing that only the candidate who has attended at least 5 trainings gets a 20% discount. how to get this result with linq?
    • ammar.dev
    • Thread
    • .net 4.5 access c#.net linq request
    • Replies: 4
    • Forum: LINQ
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    Serialize a property using System.ComponentModel.DefaultValueAttribute

    Hello, I try to serialize a n object to xml file.this object containt a property length [System.Xml.Serialization.XmlAttributeAttribute()] [System.ComponentModel.DefaultValueAttribute(1D)] public double Length { get { return...
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    Extract parent element from XML document

    Hello, I have an xml document <Person Attribute1="Name" Attribute2="LastName" Attribute3="Age" Attribute4="Price"> <Person1 Attribute1Person1="NamePerson" Attribute2Person1="LastNamePerson" /> <Person2 Attribute1Person2="NamePerson" Attribute2Person2="LastNamePerson" /> <Person3...
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    Connection to the database in WPF with MVVM design pattern

    I am a beginner at MVVM design patter and WPF I am trying to make a small example of connection to the MS Access database using the WPF and MVVM Light Toolkit patter design. here is the code I insert for the connection: Model / DataConnection.cs public class DataConnection {...
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    DatagridView Multi Header Columns & Rows

    Good evening; I'm looking for a source code to make a datagridView with Multi Header Columns and Multi Cell Header As shown in the image below All that is in gray is the head that I am trying to code.
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    Connection to the database with dataset

    thank you to all who practice to help me i find the solution. the solution is here : http://shahvaibhav.com/solving-the-given-key-was-not-present-in-the-dictionary-error-of-visual-studio-2010/
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    Connection to the database with dataset

    datasource i try to add new datasource to connect to database in report
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    Connection to the database with dataset

    hello all my problem is the database creation. when I create a connection to the database it shows me this error: how to solve this problem?
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