ISqlQueryBuilder.Select(string[] columns) Method

.NET Standard 2.x

Adds multiple columns to the select list of a SELECT clause.

Namespace: SnapObjects.Data

Assembly: SnapObjects.Data.dll

Syntax

  ISqlQueryBuilder Select(string[] columns);

Parameters

columns System.String[]

An array of column names to be added to the select list of a SELECT clause.

Returns

SnapObjects.Data.ISqlQueryBuilder

Returns the current ISqlQueryBuilder object.

Examples

The following code example demonstrates how to use the Select(string[] columns) method to select multiple column for the SELECT statement; multiple columns can be placed in a string array.

using SnapObjects.Data;
using System;

namespace Appeon.ApiDoc.ISqlQueryBuilderExamples
{
    public class SelectExample
    {
        private SchoolContext _context;

        public SelectExample(SchoolContext dataContext)
        {
            // Sets Data Context.
            _context = dataContext;
        }

        public void Example4()
        {

            // Declares SqlQueryBuilder.
            var sqlbuilder = new SqlQueryBuilder();

            // Retrieves the Name and Budget values from Department table
            sqlbuilder.Select(new string[] { "name", "budget" })
                .From("Department", "dept");

            // Converts to raw SQL for the database corresponding to the data context.
            string sql = sqlbuilder.ToSqlString(_context);

            Console.WriteLine(sql);
            
            /*This code produces the following output:
            
            SELECT
            [name],
            [budget]
            FROM [Department] AS [dept]
            */
        }
    }
}

Applies to

.NET Standard

2.x