private void Form2_Load(object sender, EventArgs e)
        {
            try
            {
                // Storage Panel Query...//
                SqlConnection MyConnection = new SqlConnection(Form1.Conn_String);
                MyConnection.Open();
                string         cmd   = "Select B_ID, B_NAME, B_TITLE, CATEGORY, AUTHOR, PUBLICATION, PUB_DATE from Storage_Panel Order by B_ID ASC";
                SqlCommand     mycmd = new SqlCommand(cmd, MyConnection);
                SqlDataAdapter DAdap = new SqlDataAdapter(mycmd);
                DataTable      DT    = new DataTable();
                DAdap.Fill(DT);
                dataGridView1.DataSource = DT;
                MyConnection.Close();
                DAdap.Dispose();
                DT.Dispose();


                // Issue_Master Query...//
                MyConnection = new SqlConnection(Form1.Conn_String);
                MyConnection.Open();
                cmd   = "Select Issue_Master.U_ID,Issue_Master.B_ID, Storage_Panel.B_NAME, Storage_Panel.CATEGORY, Storage_Panel.ONLINE_LOCATION, Issue_Master.ISSUE_DATE, Issue_Master.DUES  from Issue_Master inner join Storage_Panel on Issue_Master.U_ID = " + Form1.U_ID + " and Issue_Master.B_ID = Storage_Panel.B_ID  Order by B_ID ASC";
                mycmd = new SqlCommand(cmd, MyConnection);
                DAdap = new SqlDataAdapter(mycmd);
                DT    = new DataTable();
                DAdap.Fill(DT);
                dataGridView2.DataSource = DT;
                MyConnection.Close();
                DAdap.Dispose();
                DT.Dispose();


                //Selection Query for Storage_Panel//

                MyConnection.Open();
                cmd   = "Select B_ID,B_NAME from dbo.Storage_Panel";
                mycmd = new SqlCommand(cmd, MyConnection);
                SqlDataReader reader = null;
                reader = mycmd.ExecuteReader();
                while (reader.Read())
                {
                    comboBox1.Items.Add(reader["B_NAME"]);
                }
                reader.Dispose();
                mycmd.Dispose();
            }
            catch (Exception RetExcep)
            {
                MessageBox.Show(RetExcep.ToString());
            }
        }
        private void Supplier_Load(object sender, EventArgs e)
        {
            try
            {
                // Storage Panel Query...//
                SqlConnection MyConnection = new SqlConnection(Form1.Conn_String);
                MyConnection.Open();
                string         cmd   = "Select * from Storage_Panel Order by B_ID ASC";
                SqlCommand     mycmd = new SqlCommand(cmd, MyConnection);
                SqlDataAdapter DAdap = new SqlDataAdapter(mycmd);
                DataTable      DT    = new DataTable();
                DAdap.Fill(DT);
                dataGridView1.DataSource = DT;
                MyConnection.Close();
                DAdap.Dispose();


                //Selection Query for Supplier//
                MyConnection.Open();
                cmd   = "Select SUP_ID from dbo.Supplier";
                mycmd = new SqlCommand(cmd, MyConnection);
                SqlDataReader reader = null;
                reader = mycmd.ExecuteReader();
                while (reader.Read())
                {
                    comboBox1.Items.Add(reader["SUP_ID"]);
                    comboBox2.Items.Add(reader["SUP_ID"]);
                }
                reader.Dispose();
                mycmd.Dispose();
            }
            catch (Exception RetExcep)
            {
                MessageBox.Show(RetExcep.ToString());
            }
        }