protected void SearchButton_Click(object sender, EventArgs e)
        {
            SqlConnect sql = new SqlConnect();

            String sorgu = "Select * From ToDoList Where " +
                           "SubjectTitle Like '%" + SearchTextBox.Text + "%' and UserID='" + Session["UID"].ToString() + "'" +
                           "or SubjectText Like '%" + SearchTextBox.Text + "%' and UserID='" + Session["UID"].ToString() + "'" +
                           "or Status Like '%" + SearchTextBox.Text + "%' and UserID='" + Session["UID"].ToString() + "'" +
                           " ORDER BY Status DESC, Date ASC";

            using (SqlCommand komut = new SqlCommand(sorgu, sql.connection()))
            {
                SqlDataAdapter adapter = new SqlDataAdapter(komut);
                DataSet        ds      = new DataSet();
                adapter.Fill(ds);
                ToDoTable.DataSource = ds;
                if (ds.Tables[0].Rows.Count > 0)
                {
                    ToDoTable.DataBind();
                    nullRow.Visible = false;
                }
                else
                {
                    ToDoTable.DataBind();
                    nullRow.Visible = true;
                }
            }
            sql.disconnection();
        }
        private void GetData()
        {
            SqlConnect sql   = new SqlConnect();
            String     sorgu = "Select * From ToDoList Where UserID='" + Session["UID"].ToString() + "' ORDER BY Status DESC, Date ASC";

            using (SqlCommand komut = new SqlCommand(sorgu, sql.connection()))
            {
                SqlDataAdapter adapter = new SqlDataAdapter(komut);
                DataSet        ds      = new DataSet();
                adapter.Fill(ds);
                ToDoTable.DataSource = ds;
                if (ds.Tables[0].Rows.Count > 0)
                {
                    ToDoTable.DataBind();
                    NullTable.Visible = false;
                }
                else
                {
                    ToDoTable.DataBind();
                    NullTable.Visible = true;
                }
            }
            sql.disconnection();
        }