} //end of constructor
public void Add(string question, string Answer)
{
Question_Answer ques_Ans = new Question_Answer();
ques_Ans.ADD(question, Answer);
string key = ques_Ans.question[0].ToUpper()[0].ToString();
key = generatekey(key);
collection.Add(key, ques_Ans);
} //end of overload Adding new question and answer in collection method
} //end of overload Adding new question and answer in collection method
private void Add(Question_Answer q)
{
try
{
string key = q.question[0].ToUpper()[0].ToString();
key = generatekey(key);
collection.Add(key, q);
}
catch
{
string key = q.question[0].ToUpper().ToString();
key = generatekey(key);
collection.Add(key, q);
}
} //end of add method()
public void Write_Ans_In_File(StreamWriter sw, Question_Answer QandA)
{
for (int writeans = 0; writeans < QandA.answer.Count; writeans++)
{
if (writeans == QandA.answer.Count - 1)
{
sw.Write(QandA.answer[writeans]);
}
else
{
sw.Write(QandA.answer[writeans] + "|");
}
}
sw.WriteLine();
}
public void write_Ques_InFile(StreamWriter sw, Question_Answer QandA)
{
for (int writeQues = 0; writeQues < QandA.question.Count; writeQues++)
{
if (writeQues == QandA.question.Count - 1)
{
sw.Write(QandA.question[writeQues]);
}
else
{
sw.Write(QandA.question[writeQues] + "|");
}
}
sw.WriteLine();
}
} //end of method()
public void SaveAll()
{
File_Copy();
StreamWriter writequestion = new StreamWriter(@"Questions.txt", true);
StreamWriter writeanswer = new StreamWriter(@"Answers.txt", true);
int num = 1, ascii = 65;
string key = MakeKeys(ascii);
int count = 0;
while (count != collection.Count)
{
if (collection.ContainsKey(key))
{
string innerkey = key;
while (collection.ContainsKey(innerkey))
{
Question_Answer QandA = new Question_Answer();
QandA = collection[innerkey];
QandA.write_Ques_InFile(writequestion, QandA);
QandA.Write_Ans_In_File(writeanswer, QandA);
innerkey = key;
innerkey = innerkey + num;
num++;
count++;
}
}
num = 1;
ascii++;
key = MakeKeys(ascii);
} //end of write all data in file
writeanswer.Close();
writequestion.Close();
} //end of saving all data
} //end of genreating key method()
public void RetrieveDataFromFile()
{
StreamReader reader = new StreamReader(@"Questions.txt", true);
StreamReader ReadAnswer = new StreamReader(@"Answers.txt", true);
while (reader.EndOfStream == false)
{
string temp = "";
string[] a;
string[] b;
temp = reader.ReadLine();
a = temp.Split('|');
temp = ReadAnswer.ReadLine();
b = temp.Split('|');
Question_Answer q = new Question_Answer();
q.ADD(a, b);
Add(q);
}
reader.Close();
ReadAnswer.Close();
} //end of retrive data from file method