C# 是否保存用户提供的号码以及第一条消息中的提示？

您好，我正在使用Visual studio中的C#与Microsoft的机器人模拟器，我想知道如何在第一条消息中提示用户输入数字，并将其存储在对话中。以下是我到目前为止在MessagesController中看到的内容：

public async Task<HttpResponseMessage> Post([FromBody]Activity activity)
    {
        if (activity.Type == ActivityTypes.Message)
        {
            await Conversation.SendAsync(activity, () => new Dialogs.LuisHandler());
        }
        else
        if (activity.Type == ActivityTypes.ConversationUpdate)
        {
            if (activity.MembersAdded.Any(o => o.Id == activity.Recipient.Id))
            {
                PromptDialog.Number(activity,setUserID,"Please enter your number code","Error please enter the number again",3,"",0,999);
            }
        }
        else
        {
            HandleSystemMessage(activity);
        }
        var response = Request.CreateResponse(HttpStatusCode.OK);
        return response;
    }

其中id是用户提供的号码，我将其保存在对话上下文中，以便在以后的查询中使用，我如何实现此行为

如何在第一条消息中提示用户输入数字并将其存储在对话中

PromptDialog.Number（）

方法接受IDialogContext对象作为参数，因此我们不能直接从Messages controller（对话框外部）调用它来提示输入数字

public static void Number(IDialogContext context, ResumeAfter<long> resume, string prompt, string retry = null, int attempts = 3, string speak = null, long? min = null, long? max = null);

在对话框中：

[可序列化]
公共类RootDialog:IDialog
{
bool-thenumberisentered=false；
公共任务StartSync（IDialogContext上下文）
{
Wait（MessageReceivedAsync）；
返回Task.CompletedTask；
}
专用异步任务消息ReceivedAsync（IDialogContext上下文，IAwaitable结果）
{
var活动=等待作为活动的结果；
如果（！编号居中）
{
字符串模式=@“^（？：0 |[1-9]\d{0,2}）$”；
System.Text.RegularExpressions.Regex rgx=新的System.Text.RegularExpressions.Regex（模式）；
if（rgx.IsMatch（activity.Text））
{
//在此将数字代码另存为用户数据
数字居中=真；
wait context.PostAsync（$“您输入的数字代码是：{activity.Text}”）；
}
其他的
{
PromptDialog.Number（上下文，setUserID，“请输入您的号码代码”，“错误，请重新输入号码”，2“，0，999）；
返回；
}
}
其他的
{
wait context.PostAsync（$“您发送了{activity.Text}”）；
}
Wait（MessageReceivedAsync）；
}
专用异步任务setUserID（IDialogContext上下文，IAwaitable结果）
{
长numcode=等待结果；
wait context.PostAsync（$“您输入的数字代码是：{numcode}”）；
数字居中=真；
//在此将数字代码另存为用户数据
Wait（MessageReceivedAsync）；
}
}

测试结果：

public static void Number(IDialogContext context, ResumeAfter<long> resume, string prompt, string retry = null, int attempts = 3, string speak = null, long? min = null, long? max = null);

//...

else if (message.Type == ActivityTypes.ConversationUpdate)
{
    // Handle conversation state changes, like members being added and removed
    // Use Activity.MembersAdded and Activity.MembersRemoved and Activity.Action for info
    // Not available in all channels

    IConversationUpdateActivity update = message;
    var client = new ConnectorClient(new System.Uri(message.ServiceUrl), new MicrosoftAppCredentials());
    if (update.MembersAdded != null && update.MembersAdded.Any())
    {
        foreach (var newMember in update.MembersAdded)
        {
            if (newMember.Id != message.Recipient.Id)
            {
                var reply = message.CreateReply();
                reply.Text = $"Welcome {newMember.Name}! Please enter your number code!";
                client.Conversations.ReplyToActivityAsync(reply);

            }
        }
    }

}

[Serializable]
public class RootDialog : IDialog<object>
{
bool thenumberisentered = false;

    public Task StartAsync(IDialogContext context)
    {
        context.Wait(MessageReceivedAsync);

        return Task.CompletedTask;
    }

    private async Task MessageReceivedAsync(IDialogContext context, IAwaitable<object> result)
    {
        var activity = await result as Activity;

        if (!thenumberisentered)
        {
            string pattern = @"^(?:0|[1-9]\d{0,2})$";
            System.Text.RegularExpressions.Regex rgx = new System.Text.RegularExpressions.Regex(pattern);

            if (rgx.IsMatch(activity.Text))
            {
                //save the number code as user data here 

                thenumberisentered = true;

                await context.PostAsync($"The number code you entered is: {activity.Text}");
            }
            else
            {
                PromptDialog.Number(context, setUserID, "Please enter your number code", "Error please enter the number again", 2, "", 0, 999);
                return;
            }

        }
        else
        {
            await context.PostAsync($"You sent {activity.Text}");
        }

        context.Wait(MessageReceivedAsync);
    }

    private async Task setUserID(IDialogContext context, IAwaitable<long> result)
    {
        long numcode = await result;

        await context.PostAsync($"The number code you entered is: {numcode}");

        thenumberisentered = true;

        //save the number code as user data here 

        context.Wait(MessageReceivedAsync);
    }

}