Checkbox click event

private void mtlBtnLogin_Click(object sender, EventArgs e)
       {

public static byte[] GetBitsArray(byte value)
{
    if (value == 0) return new byte[0];
    byte[] bArray = { value };
    BitArray objBitArray = new BitArray(bArray);
    byte[] bResult = new byte[objBitArray.Count];
    for (int iCount = 0; iCount < objBitArray.Count; iCount++)
    {
        bResult[iCount] = Convert.ToByte(objBitArray[iCount]);
    }
    return bResult;
}
public static byte GetBitsToByteValue(bool bit0, bool bit1, bool bit2, bool bit3, bool bit4, bool bit5, bool bit6, bool bit7)
{
    bool[] blArray = { bit0, bit1, bit2, bit3, bit4, bit5, bit6, bit7 };
    byte value = 0x00;
    for (byte x = 0; x < 8; x++)
    {
        value |= (byte)((blArray[x]) ? (0x01 << x) : 0x00);
    }
    return value;
}
public static byte GetBitsToByteValue(params bool[] blArray)
{
    byte value = 0x00;
    for (byte x = 0; x < blArray.Length; x++)
    {
        value |= (byte)((blArray[x]) ? (0x01 << x) : 0x00);
    }
    return value;
}
public static byte ConvertToByte(BitArray bits)
{
    if (bits.Count != 8)
    {
        return 1;
    }
    byte[] bytes = new byte[1];
    bits.CopyTo(bytes, 0);
    return bytes[0];
}