我如何在C＃识别中将Sql表转换为Grammer？ [英] How I Do Convert A Sql Table To Grammer In C# Recognition ?

问题描述

我如何在C＃识别中将sqlserver表转换为语法？

例如：

how i do convert a sqlserver table to grammar in C# recognition ?
for example:

var db = new DataClasses1DataContext();
        var word = from c in db.Englishes select c;
                   comboBox1.DataSource = word;
         comboBox1.DisplayMember = "English_Word";
           comboBox1.ValueMember = "English_Word";

           string[]  conv=new string[100000];

           for (int a = 0; a < comboBox1.Items.Count; a++)  conv[a] = comboBox1.Items[a].ToString();
           Choices comands = new Choices();
           comands.Add(conv);
           GrammarBuilder gbuilder = new GrammarBuilder();
           gbuilder.Append(comands);
           Grammar grammar = new Grammar(gbuilder);

           recEngine.LoadGrammarAsync(grammar);
           recEngine.SetInputToDefaultAudioDevice();
           recEngine.RecognizeAsync(RecognizeMode.Multiple); //Error here

错误



recEngine.RecognizeAsync（RecognizeMode.Multiple）;



（{在识别之前必须加载至少一个语法。}）是错误





请帮助我谢谢你

is error in

recEngine.RecognizeAsync(RecognizeMode.Multiple);

( {"At least one grammar must be loaded before doing a recognition."} ) is error


please help me thank you

推荐答案

你正在异步加载语法，所以当你开始识别时它可能还没有完全加载。



有两种方法可以避免这种情况：

You are loading the Grammar asynchronously, so it might happen that it isn't fully loaded yet when you start recognizing.

There are two options to avoid that:

1. 使用 LoadGrammar 而不是 LoadGrammarAsync 。
2. 如果将其加载为异步，则只在加载完成后启动识别器。添加 LoadGrammarCompleted 事件处理程序，启动识别器：
   
   

1. Load the grammar synchronously, using LoadGrammar instead of LoadGrammarAsync.
2. If you load it async, only start the recognizer once the loading is complete. Add a LoadGrammarCompleted event handler which starts the recognizer:
   

recEngine.LoadGrammarCompleted += delegate(EventHandler<LoadGrammarCompletedEventArgs> e)
{
    recEngine.SetInputToDefaultAudioDevice();
    recEngine.RecognizeAsync(RecognizeMode.Multiple);
};
recEngine.LoadGrammarAsync(grammar);

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