比较循环中两个哈希表的值 [英] Compare values of two hash tables in loop

问题描述

我有两个哈希表.我想根据密钥比较两个哈希表的值.我想循环执行此操作，如果找到匹配项，则要执行字符串构建操作.但是问题是我不知道有什么机制可以循环比较它们.请指导我... 以下是我要比较的哈希表

I have two hash tables. I want to compare values of both the hash tables based on the key. I want to do this in loop and if match is found is want to perform string building operation. But the problem is I dont know any mechanism to compare them in loop. Please guide me... Following are my hash tables to be compared

       HashTable OldTable= new HashTable();

        OldTable.Add("Date of Event", OCEFData.EventDate);
            OldTable.Add("Angina Status", OCEFData.AnginaStatusValue);
            OldTable.Add("Please indicate the body system involved (tick all that apply)",strBodySystem.ToString());
            OldTable.Add("If Unstable Angina, define Braunswald Classification", OCEFData.UnstableAnginaValue);
            OldTable.Add("If Stable Angina", OCEFData.StableAnginaValue);
            OldTable.Add("Details of method of Documentation of Angina", OCEFData.AnginaDocDetails);
            OldTable.Add("INFORM TO SPONSOR", (OCEFData.IsInformed)?"Yes":"No");
            OldTable.Add("DATE OF INFORMATION TO SPONSOR ", OCEFData.SponsorDate);
            OldTable.Add("DATE OF INFORMATION TO INSTITUTIONAL ETHICS COMMITTEE", OCEFData.EthicsCommitteeDate);
            OldTable.Add("DATE OF INFORMATION TO LICENSING AUTHORITY", OCEFData.LicensingAuthority);



       HashTable NewTable= new HashTable();

       NewTable.Add("Date of Event", OCEFData.EventDate);
        NewTable.Add("Angina Status", OCEFData.AnginaStatusValue);
        NewTable.Add("Please indicate the body system involved (tick all that apply)", strBodySystem.ToString());
        NewTable.Add("If Unstable Angina, define Braunswald Classification", OCEFData.UnstableAnginaValue);
        NewTable.Add("If Stable Angina", OCEFData.StableAnginaValue);
        NewTable.Add("Details of method of Documentation of Angina", OCEFData.AnginaDocDetails);
        NewTable.Add("INFORM TO SPONSOR", (OCEFData.IsInformed)?"Yes":"No");
        NewTable.Add("DATE OF INFORMATION TO SPONSOR ", OCEFData.SponsorDate);
        NewTable.Add("DATE OF INFORMATION TO INSTITUTIONAL ETHICS COMMITTEE", OCEFData.EthicsCommitteeDate);
        NewTable.Add("DATE OF INFORMATION TO LICENSING AUTHORITY", OCEFData.LicensingAuthority);

推荐答案

这是您想要的方式吗?

Hashtable OldTable = new Hashtable();
Hashtable NewTable = new Hashtable();

        foreach (DictionaryEntry entry in OldTable)
        {
            if(NewTable.ContainsKey(entry.Key))
            {
                //Do something?
            }
        }

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