/**
* Method to inialize all questions in combobox in tab Post a Answer when the main form is loaded
*/
public void InitializeQuestions()
{
List <Question> questions = new List <Question>();
questions = DAOQuestion.SelectAllQuestions();
comboBoxQuestions.Items.Clear();
comboBoxQuestions.Items.Insert(0, "");
foreach (Question q in questions)
{
comboBoxQuestions.Items.Insert(q.QuestionID, q.QuestionText);
}
}
/**
* Method to delete a question in listview in tab Questions when the button "delete" is clicked
*/
private void buttonDelete_Click(object sender, EventArgs e)
{
if (MessageBox.Show("You will delete a question. Are you sure you want to continue ?", "DELETE A QUESTION", MessageBoxButtons.YesNo, MessageBoxIcon.Warning) == DialogResult.Yes)
{
try
{
//Call method in DAO Question to delete question with pass in argument the content of question
//the content of question is selected in listViewQuestion_MouseClick
DAOQuestion.DeleteQuestion(textBoxUsername.Text);
DisplayAllQuestions();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
}
/**
* Method to display all questions present in database
* Used in tab Questions
*/
private void DisplayAllQuestions()
{
List <Question> list = new List <Question>();
listViewQuestion.Items.Clear();
list = DAOQuestion.SelectAllQuestions();
foreach (Question q in list)
{
ListViewItem item = new ListViewItem(q.Member.Username);
item.SubItems.Add(q.QuestionText);
item.SubItems.Add(q.Category.CategoryName);
item.SubItems.Add(q.QuestionDate.ToString());
listViewQuestion.Items.Add(item);
}
}
/**
* Method to post a question when the button "Post Question" is clicked in tab post a question
*/
private void PostQuestion_Click_1(object sender, EventArgs e)
{
if (comboBoxCategory.Equals("") || textBoxQuestion.Text != null)
{
try
{
//Call method to create question with pass in arguments the id of category selected and the content of question written
DAOQuestion.CreateQuestion(comboBoxCategory.SelectedIndex, textBoxQuestion.Text);
MessageBox.Show("Question posted");
comboBoxCategory.Text = "";
textBoxQuestion.Text = "";
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
else
{
MessageBox.Show("Your can't post empty question");
}
}