Local Columns and BindValue

In this section, we'll discuss local columns and BindValue

Let's start with:

Local Columns

• Just like you can add a column to an Entity, you can have a local column defined in the scope of a controller
• Create a "DemoLocalColumn" Controller
• Add a member called "FromDate" of type DateColumn

public class DemoLocalColumns : UIControllerBase
{
    public readonly DateColumn FromDate = new DateColumn("From Date");
    public readonly DateColumn ToDate = new DateColumn("To Date");
    public DemoLocalColumns()
    {
    }
    public void Run()
    {
        Execute();
    }
    protected override void OnLoad()
    {
        View = () => new Views.DemoLocalColumnsView(this);
    }
} 

• Make sure to build the project
• Add the FromDate and ToDate members to the screen using the "Column Wizard"

For a deeper discussion of these topics see Lambda Expressions Generics and BindValue

• Setting Column Values from the Code
• Adding a Button to Claculate Days Between
• BindValue to Another Column
• BindValue to a Method
• Func
• Lambda Expressions

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