I'm not able to change the text within any of my buttons in my c# form, I'm making a large tic tac toe game for a class project and just can't seem to find out what my problem is.
Button [,] all = new Button[9,9];
int turn = 1;
public StartingForm()
{
InitializeComponent();
}
private void StartingForm_Load(object sender, EventArgs e)
{
a00 = all[0, 0];
a01 = all[0, 1];
a02 = all[0, 2];
a03 = all[0, 3];
a04 = all[0, 4];
a05 = all[0, 5];
a06 = all[0, 6];
a07 = all[0, 7];
a08 = all[0, 8];
a10 = all[1, 0];
a11 = all[1, 1];
a12 = all[1, 2];
a13 = all[1, 3];
a14 = all[1, 4];
a15 = all[1, 5];
a16 = all[1, 6];
a17 = all[1, 7];
a18 = all[1, 8];
a20 = all[2, 0];
a21 = all[2, 1];
a22 = all[2, 2];
a23 = all[2, 3];
a24 = all[2, 4];
a25 = all[2, 5];
a26 = all[2, 6];
a27 = all[2, 7];
a28 = all[2, 8];
a30 = all[3, 0];
a31 = all[3, 1];
a32 = all[3, 2];
a33 = all[3, 3];
a34 = all[3, 4];
a35 = all[3, 5];
a36 = all[3, 6];
a37 = all[3, 7];
a38 = all[3, 8];
a40 = all[4, 0];
a41 = all[4, 1];
a42 = all[4, 2];
a43 = all[4, 3];
a44 = all[4, 4];
a45 = all[4, 5];
a46 = all[4, 6];
a47 = all[4, 7];
a48 = all[4, 8];
a50 = all[5, 0];
a51 = all[5, 1];
a52 = all[5, 2];
a53 = all[5, 3];
a54 = all[5, 4];
a55 = all[5, 5];
a56 = all[5, 6];
a57 = all[5, 7];
a58 = all[5, 8];
a60 = all[6, 0];
a61 = all[6, 1];
a62 = all[6, 2];
a63 = all[6, 3];
a64 = all[6, 4];
a65 = all[6, 5];
a66 = all[6, 6];
a67 = all[6, 7];
a68 = all[6, 8];
a70 = all[7, 0];
a71 = all[7, 1];
a72 = all[7, 2];
a73 = all[7, 3];
a74 = all[7, 4];
a75 = all[7, 5];
a76 = all[7, 6];
a77 = all[7, 7];
a78 = all[7, 8];
a80 = all[8, 0];
a81 = all[8, 1];
a82 = all[8, 2];
a83 = all[8, 3];
a84 = all[8, 4];
a85 = all[8, 5];
a86 = all[8, 6];
a87 = all[8, 7];
a88 = all[8, 8];
}
private void a00_Click(object sender, EventArgs e)
{
if (turn == 1)
{
all[0, 0].Text = "X";
turn = 2;
}
else
{
all[0, 0].Text = "O";
turn = 1; //this makes it X's turn
}
}
Whenever I try clicking the button I get this error
An unhandled exception of type 'System.NullReferenceException' occurred in Super TTT.exe Additional information: Object reference not set to an instance of an object.
All my buttons are null and I can't find a way to change them (also sorry in advance if I didn't provide enough info, I'm kinda new to this).