/*
* Override the equals method for object comparision
*/
public override bool Equals(object o)
{
if (o == null || o.GetType() != typeof(PreferenceDTO))
{
return(false);
}
PreferenceDTO ca = (PreferenceDTO)o;
return(ca.category.Equals(category) && ca.department.Equals(this.department) && ca.stdEmail.Equals(this.stdEmail));
}
//add objects of PreferenceDTO in arrayliat
public bool addPreference(PreferenceDTO Obj)
{
if (preferenceList.Count == 0)
{
preferenceList.Add(Obj);
return(true);
}
else
{
// check if object is alredy there don't add in array list
if (preferenceList.Contains(Obj))
{
return(false);
}
else
{
preferenceList.Add(Obj);
return(true);
}
} // else of main if
} // add fun end
private void btnpreference_Click(object sender, EventArgs e)
{
PreferenceDTO preference = new PreferenceDTO();
if (!comboBoxcategory.SelectedItem.Equals("") && !comboBoxdepartment.SelectedItem.Equals(""))
{
preference.category = "" + comboBoxcategory.SelectedItem;
preference.department = "" + comboBoxdepartment.SelectedItem;
preference.stdEmail = strEmail;
bool matched; // by default its value is false
/*
* check if preference is in list then don't add return bool value
*/
matched = PreferenceDepartment.addPreference(preference);
/*
* same preference not be added again and agin
*/
if (matched)
{
int keycopy = strEmail.GetHashCode();
if (keycopy < 0)
{
keycopy = keycopy * -1;
}
// add in grid if message ia true
table.Rows.Add(keycopy, preference.category, preference.department);
countPreference += 1;
}
else
{
MessageBox.Show("Preference is already added");
}
}
}// add preference btn end