private void button6_Click(object sender, EventArgs e)
{
try
{
FileStream fs = new FileStream(textBox6.Text, FileMode.Open, FileAccess.Read);
StreamReader sr = new StreamReader(fs);
String str = sr.ReadToEnd();
int i = (str.IndexOf(textBox9.Text, 0));
if (i > -1)
{
MessageBox.Show("This word is exist in the file");
}
else
{
MessageBox.Show("This word is not exist in the file try another words");
}
}
catch (Exception ram)
{
MessageBox.Show(ram.Message);
}
}
private void button7_Click(object sender, EventArgs e)
{
try
{
FileStream fs = new FileStream(textBox6.Text, FileMode.Open, FileAccess.Read);
StreamReader sr = new StreamReader(fs);
textBox8.Text = sr.ReadToEnd();
fs.Close();
}
catch (Exception ram)
{
MessageBox.Show(ram.Message);
}
}
private void button8_Click(object sender, EventArgs e)
{
try
{
FileStream fs = new FileStream(textBox6.Text, FileMode.Create, FileAccess.Write);
StreamWriter sw = new StreamWriter(fs);
sw.WriteLine(textBox7.Text);
sw.Flush();
fs.Close();
MessageBox.Show("Content is written in file successfully");
}
catch (Exception ram)
{
MessageBox.Show(ram.Message);
}
}
private void button9_Click(object sender, EventArgs e)
{
try
{
String str = textBox6.Text;
StreamWriter sw = File.AppendText(str);
sw.WriteLine(textBox10.Text);
sw.Close();
MessageBox.Show("File contents appended successfully");
}
catch (Exception ram)
{
MessageBox.Show(ram.Message);
}
}