Gist for blog post: http://www.mindbodysouldeveloper.com/2016/01/27/c-sharp-how-to-replace-dictionary-with-factory-method/

Replacing-Dictionary-With-Factory-Method-Level-Two.cs

public DataTable GetSecondLevel(DateTime valueDate, 
                                string branch, 
                                string levelName, 
                                string subLevelName)
{
    const string storedProc = "GetLevelTwo";
    
    var parameters = new Dictionary<string, object>
    {
        {ParamConstant.ValueDate, valueDate},
        {ParamConstant.Branch, branch},
        {ParamConstant.LevelName, levelName},
        {ParamConstant.SubLevelName, subLevelName},   
    };
    
    var result = storedProc.ToDataTable(dbConnection, parameters);   
    
    return result;    
}