private void Button2_Click(object sender, EventArgs e)
{
File.AppendAllText(Diseases_listbox.GetItemText(Diseases_listbox.SelectedItem) + ".txt", " " + disease_textbox.Text);
disease_textbox.ReadOnly = true;
savebutton.Visible = false;
disease_textbox.Clear();
filename = Diseases_listbox.GetItemText(Diseases_listbox.SelectedItem) + ".txt";
MessageBox.Show("File updated successfully");
if (File.Exists(filename))
{
StreamReader stream;
try
{
using (stream = new StreamReader(filename))
{
disease_textbox.AppendText(stream.ReadToEnd());
}
}
catch (IOException)
{
MessageBox.Show("Error Reading from file", "error file", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
else
{
MessageBox.Show(filename + " does not exit", "file error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
private void Diseases_SelectedIndexChanged(object sender, EventArgs e)
{
disease_textbox.ReadOnly = true;
newDisease_name.Visible = false;
disease_textbox.Visible = true;
savebutton.Visible = false;
edit_button.Visible = true;
switch (Diseases_listbox.SelectedIndex)
{
case 0:
disease_textbox.Clear();
string filename = "1. Food Poisoning.txt";
if (File.Exists(filename))
{
StreamReader stream;
try
{
using (stream = new StreamReader(filename))
{
disease_textbox.AppendText(stream.ReadToEnd());
}
}
catch (IOException)
{
MessageBox.Show("Error Reading from file", "error file", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
else
{
MessageBox.Show(filename + " does not exit", "file error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
break;
case 1:
disease_textbox.Clear();
filename = "2. Diabeties.txt";
if (File.Exists(filename))
{
StreamReader stream;
try
{
using (stream = new StreamReader(filename))
{
disease_textbox.AppendText(stream.ReadToEnd());
}
}
catch (IOException)
{
MessageBox.Show("Error Reading from file", "error file", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
else
{
MessageBox.Show(" does not exit", "file error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
break;
case 2:
disease_textbox.Clear();
filename = "3. Cancer.txt";
if (File.Exists(filename))
{
StreamReader stream;
try
{
using (stream = new StreamReader(filename))
{
disease_textbox.AppendText(stream.ReadToEnd());
}
}
catch (IOException)
{
MessageBox.Show("Error Reading from file", "error file", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
else
{
MessageBox.Show(" does not exit", "file error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
break;
case 3:
disease_textbox.Clear();
filename = "4. Flu and Sneezing.txt";
if (File.Exists(filename))
{
StreamReader stream;
try
{
using (stream = new StreamReader(filename))
{
disease_textbox.AppendText(stream.ReadToEnd());
}
}
catch (IOException)
{
MessageBox.Show("Error Reading from file", "error file", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
else
{
MessageBox.Show(" does not exit", "file error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
break;
case 4:
disease_textbox.Clear();
filename = "5. Jaundice.txt";
if (File.Exists(filename))
{
StreamReader stream;
try
{
using (stream = new StreamReader(filename))
{
disease_textbox.AppendText(stream.ReadToEnd());
}
}
catch (IOException)
{
MessageBox.Show("Error Reading from file", "error file", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
else
{
MessageBox.Show(" does not exit", "file error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
break;
case 5:
disease_textbox.Clear();
filename = "6. Tuber Culosis.txt";
if (File.Exists(filename))
{
StreamReader stream;
try
{
using (stream = new StreamReader(filename))
{
disease_textbox.AppendText(stream.ReadToEnd());
}
}
catch (IOException)
{
MessageBox.Show("Error Reading from file", "error file", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
else
{
MessageBox.Show(" does not exit", "file error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
break;
case 6:
disease_textbox.Clear();
filename = "7. Poliomyelitis.txt";
if (File.Exists(filename))
{
StreamReader stream;
try
{
using (stream = new StreamReader(filename))
{
disease_textbox.AppendText(stream.ReadToEnd());
}
}
catch (IOException)
{
MessageBox.Show("Error Reading from file", "error file", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
else
{
MessageBox.Show(" does not exit", "file error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
break;
case 7:
disease_textbox.Clear();
filename = "8. Dengue Virus.txt";
if (File.Exists(filename))
{
StreamReader stream;
try
{
using (stream = new StreamReader(filename))
{
disease_textbox.AppendText(stream.ReadToEnd());
}
}
catch (IOException)
{
MessageBox.Show("Error Reading from file", "error file", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
else
{
MessageBox.Show(" does not exit", "file error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
break;
case 8:
disease_textbox.Clear();
filename = "9. Malaria.txt";
if (File.Exists(filename))
{
StreamReader stream;
try
{
using (stream = new StreamReader(filename))
{
disease_textbox.AppendText(stream.ReadToEnd());
}
}
catch (IOException)
{
MessageBox.Show("Error Reading from file", "error file", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
else
{
MessageBox.Show(" does not exit", "file error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
break;
case 9:
disease_textbox.Clear();
filename = "10. Fever.txt";
if (File.Exists(filename))
{
StreamReader stream;
try
{
using (stream = new StreamReader(filename))
{
disease_textbox.AppendText(stream.ReadToEnd());
}
}
catch (IOException)
{
MessageBox.Show("Error Reading from file", "error file", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
else
{
MessageBox.Show(" does not exit", "file error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
break;
case 10:
disease_textbox.Clear();
filename = "11. Hepatitis.txt";
if (File.Exists(filename))
{
StreamReader stream;
try
{
using (stream = new StreamReader(filename))
{
disease_textbox.AppendText(stream.ReadToEnd());
}
}
catch (IOException)
{
MessageBox.Show("Error Reading from file", "error file", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
else
{
MessageBox.Show(" does not exit", "file error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
break;
case 11:
disease_textbox.Clear();
filename = "12. Hair Fall.txt";
if (File.Exists(filename))
{
StreamReader stream;
try
{
using (stream = new StreamReader(filename))
{
disease_textbox.AppendText(stream.ReadToEnd());
}
}
catch (IOException)
{
MessageBox.Show("Error Reading from file", "error file", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
else
{
MessageBox.Show(" does not exit", "file error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
break;
case 12:
disease_textbox.Clear();
filename = "13. Anemia.txt";
if (File.Exists(filename))
{
StreamReader stream;
try
{
using (stream = new StreamReader(filename))
{
disease_textbox.AppendText(stream.ReadToEnd());
}
}
catch (IOException)
{
MessageBox.Show("Error Reading from file", "error file", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
else
{
MessageBox.Show(" does not exit", "file error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
break;
case 13:
disease_textbox.Clear();
if (File.Exists(Diseases_listbox.GetItemText(Diseases_listbox.SelectedItem) + ".txt"))
{
StreamReader stream;
try
{
using (stream = new StreamReader(Diseases_listbox.GetItemText(Diseases_listbox.SelectedItem) + ".txt"))
{
disease_textbox.AppendText(stream.ReadToEnd());
}
}
catch (IOException)
{
MessageBox.Show("Error Reading from file", "error file", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
else
{
MessageBox.Show(" does not exit", "file error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
break;
}
}
