C#中的textbox.text的问题当我输入ffffffff时为什么会报字符串输入格式不正确!
private void button1_Click(object sender, EventArgs e)
{
string sys_key = "";
string adress = "";
string new_key = "";
sys_key = textBox1.Text;
adress = textBox2.Text;
// char[] temp = sys_key.ToCharArray();
ulong temp1, temp2, temp3; try
{ temp1 = Convert.ToUInt64(adress);
temp2 = Convert.ToUInt64(sys_key);
temp3 = temp1 ^ temp2;
new_key = temp3.ToString();
textBox3.Text = new_key; }
catch (Exception ex)
{
MessageBox.Show(ex.Message); } }
我现在要输入一个类似于FFFFFFFF的字符串,然后在将其转换成64位的格式