title: Error: Additional information: Index (zero based) must be greater than or equal to zero and less than the size of the argument list
body: <p>Given the <strong>C#</strong> code, shown below, attached to a "<strong>.accdb</strong>" file; when I run it, I receive the message:</p>
  
  <blockquote>
    <p><strong>An unhandled exception of type 'System.FormatException' occurred in mscorlib.dll  Additional information: Index (zero based) must be
    greater than or equal to zero and less than the size of the argument
    list.</strong></p>
  </blockquote>
  
  <p>What's going on?</p>
  
  <pre><code>public partial class Form1 : Form
      {
      OleDbConnection vcon = new OleDbConnection(@"Provider=Microsoft.ACE.OLEDB.12.0;data source=C:\Hazardous Materials\KinneyDatabase.accdb");
  
          public Form1()
              {
                  InitializeComponent();
              }
  
          private void Form1_Load(object sender, EventArgs e)
              {
                  {
                      vcon.Open();
                  }
                  try
                  {
                      StreamReader sr = new StreamReader(@"C:\Hazardous Materials\cities.txt");
                      string line = sr.ReadLine();
  
                      StreamReader sr2 = new StreamReader(@"C:\Hazardous Materials\drugs.txt");
                      string line2 = sr2.ReadLine();
  
                      while (line != null)
                      {
                          comboBox1.Items.Add(line);
                          line = sr.ReadLine();
                      }
                      while (line2 != null)
                      {
                          comboBox2.Items.Add(line2);
                          line2 = sr2.ReadLine();
                      }
                      {
                          textBox2.Text = "Date";
                      }
                  }
              catch (System.Exception ex)
                  {
                      MessageBox.Show("Error: " + ex.Message);
                  }
              }
  
          private void button1_Click(object sender, EventArgs e)
              {
                  string addRemove = "";
  
                      if (radioButton1.Checked)
                          {
                              addRemove = radioButton1.Text;
                          }
                      else if (radioButton2.Checked)
                          {
                              addRemove = radioButton2.Text;
                          }
                  {
                      MessageBox.Show("You have entered the following information: \n\n"
                          + " Date: " + textBox2.Text + "\n"
                          + " Store#: " + comboBox1.Text + "\n"
                          + " Medication: " + comboBox2.Text + "\n"
                          + " Quantity: " + textBox1.Text + "\n"
                          + " Initials: " + textBox3.Text + "\n"
                          + " Initials: " + addRemove);
  
                  }
  
              }
          private void button2_Click(object sender, EventArgs e)
              {
                  new Form2().Show();
              }
  
          private void button3_Click(object sender, EventArgs e)
              {
              Application.Exit();
              }
  
          private void toolStripMenuItem1_Click(object sender, EventArgs e)
              {
                  MessageBox.Show("Scripted by Geoff Bertollini. March 2012");
              }
  
          private void comboBox1_SelectedIndexChanged(object sender, EventArgs e)
              {
  
              }
  
          private void textBox2_TextChanged(object sender, EventArgs e)
              {
                  var date = DateTime.Now.ToString("MM/dd/yyyy");
                  textBox2.Text = date;
              }
  
          private void label4_Click_1(object sender, EventArgs e)
          {
  
          }
  
          private void exitToolStripMenuItem1_Click(object sender, EventArgs e)
          {
              Application.Exit();
          }
  
          private void button4_Click(object sender, EventArgs e)
          {
              {
                  string addRemove = "";
  
                  if (radioButton1.Checked)
                  {
                      addRemove = radioButton1.Text;
                  }
                  else if (radioButton2.Checked)
                      {
                          addRemove = radioButton2.Text;
                      }                   
  
                  string vsql = string.Format("insert into Log values ({0}','{1}','{2}','{3}','{4}','{5}','{6}'),comboBox1.Text, comboBox2.Text, int.Parse(textBox1.Text), int.Parse(textBox1.Text), textBox2.Text, textBox3.Text, addRemove");
                  OleDbCommand vcom = new OleDbCommand(vsql, vcon);
                  vcom.ExecuteNonQuery();
                  MessageBox.Show("The following data has been saved to the database: \n\n"
                          + "Date: " + textBox2.Text + "\n"
                          + "Store#: " + comboBox1.Text + "\n"
                          + "Medication: " + comboBox2.Text + "\n"
                          + "Quantity: " + textBox1.Text + "\n"
                          + "Initials: " + textBox3.Text);
                  vcom.Dispose();
              }
          }
      }   
  }
  </code></pre>