private void btn_Analyze_Click(object sender, EventArgs e) { if (txt_FilePath.Text == "" || txt_Word.Text == "") { MessageBox.Show("Please select a text file and enter a word to check", "Alert", MessageBoxButtons.OK, MessageBoxIcon.Asterisk); return; } ReadFile readFile = new ReadFile(); string filetext = readFile.GetFileText(txt_FilePath.Text); string[] wordsinfile; int count = readFile.CountWord(filetext, txt_Word.Text, out wordsinfile); int totalwords = wordsinfile.Count(); float percent = count * 100 / totalwords; lbl_SearchedCount.Text = string.Format("Number of occurance of given word '{0}' is {1} ", txt_Word.Text, count); lbl_TotalWords.Text = string.Format("Total words in file : {0}", totalwords); lbl_Percent.Text = string.Format("Percentage of searched word: {0}", percent); }