IDataStore.GetChild(string name, out IDataStore child) Method

.NET Standard 2.x

Provides a reference to the DataWindowChild, which you can use to manipulate that DataStore.

Namespace: DWNet.Data

Assembly: DWNet.Data.dll

Syntax

  public bool GetChild(string name, out IDataStore child);

Parameters

name System.String

A string which is the name of the column containing the DataWindowChild.

child DWNet.Data.IDataStore

The reference to the DataWindowChild.

Returns

System.Boolean

Returns true if it succeeds.

Examples

The following code example demonstrates how to get the DataWindowChild in the specified column.

using DWNet.Data;
using System;

namespace Appeon.ApiDoc.IDataStoreExamples
{
    public class GetChildExample
    {
        private readonly SchoolContext _context;

        public GetChildExample(SchoolContext dataContext)
        {
            // Sets the data context
            _context = dataContext;
        }

        public void Example2()
        {
            // Instantiates a DataStore object with datawindow: d_course.
            var datastore = new DataStore("d_course", _context);

            datastore.Retrieve();

            // The departmentid column has a DropDownDataWindow: dddw_deparment.
            var department = datastore.GetChild("departmentid", out IDataStore child);

            Console.WriteLine("DataWindowChild rowcount: {0}",
                child.RowCount);

            Console.WriteLine(
                "Department ID: {0}; Department Name: {1}",
                child.GetItem<int>(1, "departmentid"),
                child.GetItem<string>(1, "name"));

            /*This code produces the following output:
             
            DataWindowChild rowcount: 4
            Department ID: 2; Department Name: English
            */
        }
    }
}

Example Refer To

Model Classes: D_Course Dddw_Department
DataWindow File: d_course

Applies to

.NET Standard

2.x