private void btnlogin_Click(object sender, EventArgs e)
{
string source = "Data Source=localhost\\SQLEXPRESS;Initial Catalog=ImageSteganography;Integrated Security=True";
SqlConnection con = new SqlConnection(source);
con.Open();
string sqlSelectQuery = "select * from MyTable where Email='" + txtloginEmail.Text + "'and Password='******' ";
SqlCommand comd = new SqlCommand(sqlSelectQuery, con);
SqlDataReader dr = comd.ExecuteReader();
if (dr.Read())
{
userid = (dr["UserID"].ToString());
MessageBox.Show(userid, "User login successfully");
Choices c = new Choices(userid);
c.Show();
this.Hide();
}
else
{
MessageBox.Show("Something went wrong");
}
}
private void buttonEncode_Click(object sender, EventArgs e)
{
/* string setting = "Data Source=HAIER-PC;Initial Catalog=AoaProject;Integrated Security=True";
* SqlConnection connection = new SqlConnection(setting);
* string query = "update MyTable set MessageKey='" + this.txtKey.Text + "'and imgPath='@imgpath' and imgImage='@imgimage' where Id='" + this.cmb_useridz.SelectedItem + "';";
* connection.Open();
* SqlCommand cmd = new SqlCommand(query, connection);
* if (cmd.ExecuteNonQuery() == 1)
* {
* MessageBox.Show("Updated");
* }
* else
* {
* MessageBox.Show("Not Updated");
* }
*/
Bitmap img = new Bitmap(textBoxFilePath.Text);
for (int i = 0; i < img.Width; i++)
{
for (int j = 0; j < img.Height; j++)
{
Color pixel = img.GetPixel(i, j);
if (i < 1 && j < textBoxMessage.TextLength)
{
Console.WriteLine("R = [" + i + "][" + j + "] = " + pixel.R);
Console.WriteLine("G = [" + i + "][" + j + "] = " + pixel.G);
Console.WriteLine("B = [" + i + "][" + j + "] = " + pixel.B);
char letter = Convert.ToChar(textBoxMessage.Text.Substring(j, 1));
int value = Convert.ToInt32(letter);
Console.WriteLine(" letter : " + letter + " value : " + value);
img.SetPixel(i, j, Color.FromArgb(pixel.R, pixel.G, value));
}
if (i == img.Width - 1 && j == img.Height - 1)
{
img.SetPixel(i, j, Color.FromArgb(pixel.R, pixel.G, textBoxMessage.TextLength));
}
}
}
SaveFileDialog savefile = new SaveFileDialog();
savefile.Filter = "Image Files (* .png, * .jpg) | * .png; * .jpg";
savefile.InitialDirectory = @"C:\\Users\\Shiza\\Pictures";
if (savefile.ShowDialog() == DialogResult.OK)
{
textBoxFilePath.Text = savefile.FileName.ToString();
pictureBox1.ImageLocation = textBoxFilePath.Text;
img.Save(textBoxFilePath.Text);
SqlConnection cn = new SqlConnection(@"Data Source=localhost\\SQLEXPRESS;Initial Catalog=ImageSteganography;Integrated Security=True");
MemoryStream ms = new MemoryStream();
pictureBox1.Image.Save(ms, System.Drawing.Imaging.ImageFormat.Jpeg);
byte[] pic_arr = new byte[ms.Length];
ms.Position = 0;
ms.Read(pic_arr, 0, pic_arr.Length);
string setting = "Data Source=localhost\\SQLEXPRESS;Initial Catalog=ImageSteganography;Integrated Security=True";
SqlConnection connection = new SqlConnection(setting);
string query = "update MyTable set imgPath='" + textBoxFilePath.Text + "', imgImage='" + pic_arr + "',MessageKey='" + txtKey.Text + "' where UserID='" + cmb_useridz.Text + "' ";
SqlCommand cmd = new SqlCommand(query, connection);
connection.Open();
try
{
int res = cmd.ExecuteNonQuery();
if (res > 0)
{
MessageBox.Show("Send successfully");
Choices choices = new Choices();
choices.Show();
this.Hide();
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
finally
{
cn.Close();
}
}
}