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    IQueryAndOrBuilder<TModel>.AndWhereValue(string left, SqlBinaryOperator sqlOperator, object value) Method

    .NET Standard 2.x

    Adds the AND logical operator and a search condition to the WHERE clause; and specifies a SQL expression on the left of the operator and a specific value on the right of the operator.

    Namespace: SnapObjects.Data

    Assembly: SnapObjects.Data.dll

    Syntax

      TIQueryAndOrBuilder<TModel> AndWhereValue(string left, SqlBinaryOperator sqlOperator, object value);
    

    Parameters

    left System.String

    An expression on the left of the operator.

    SqlBinaryOperator SnapObjects.Data.SqlBinaryOperator

    An enumeration value of SqlBinaryOperator, which is the operator to test the expression on the left and the value on the right.

    value System.Object

    The specific value on the right of the operator.

    Returns

    IQueryAndOrBuilder<TModel>

    Returns anTIQueryAndOrBuilder<TModel> object which can be used to add more search conditions to the current WHERE clause.

    Examples

    The following code example demonstrates how to use the AndWhereValue method to add an AND condition to the WHERE clause. In this example, the AND condition using the operator "=" to specifies that the DepartmentID value must be equal to 4.

    using Appeon.ApiDoc.Models.School;
    using SnapObjects.Data;
    using System;
    using System.Threading.Tasks;
    
    namespace Appeon.ApiDoc.IQueryAndOrBuilderExamples
    {
        public class AndWhereValueExample
        {
            private SchoolContext _context;
            
            public AndWhereValueExample(SchoolContext dataContext)
            {
                // Sets Data Context
                _context = dataContext;
            }
    
            public async Task<int> Example2()
            {
                // Get a QueryBuilder.
                var Builder = _context.SqlModelMapper.GetQueryBuilder<Department>();
                
                Builder.WhereValue("Name", SqlBinaryOperator.NotEquals, "Economics")
                       .AndWhereValue("DepartmentID", SqlBinaryOperator.NotEquals, 1);
                       
                var result = (await Builder.LoadAsync()).ToList();
                
                foreach (var dept in result) 
                {
                    Console.WriteLine("DepartmentID:    {0}", dept.DepartmentID);
                    Console.WriteLine("Name:            {0}", dept.Name);
                    Console.WriteLine();
                }
                
                return result.Count;
                
                /*This code example produces the following output:   
                    
                    DepartmentID:    2
                    Name:            English
                    
                    DepartmentID:    7
                    Name:            Mathematics
                    
                    DepartmentID:    10
                    Name:            New Department
                */
            }
        }
    }
    

    Example Refer To

    Model Class: Department

    Applies to

    .NET Standard

    2.x

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