C#

shahramkeyboard wrote:

WANT TO DATA SHOW IN DATAGRID BUT IN DATASOURCE EOOR

shahramkeyboard wrote:

error is in line:
dataGridViewX2.DataBindings.Add(new Binding("DataSource", dsDataBook, "tblbooks"));

shahramkeyboard wrote:

String selectStr = "UPDATE " + thisTable +
" set " + book_name + " = '" + book.Bookname + "'" +
", " + book_nasher + " = '" + book.Nasher + "'" +
", " + book_motarjem + " = '" + book.Motarjem + "'" +
", " + book_shabok + " = '" + book.Shabok + "'" +
", " + book_mozo + " = '" + book.Mozo + "'" +
" where book_code = '" + book.Bookcode + "'";

shahramkeyboard wrote:

String selectStr = "select * from " + thisTable +
" where code_book = '" + argStr + "'";

shahramkeyboard wrote:

String selectStr = "select * from " + thisTable + "'";

OSDev

v17.poornima wrote:

he user may start drawing from anywhere with any angle. So using the draw rectangle i cannot draw that.

private Point startPoint = new Point(0,0);
 private Point endPoint = new Point(0,0);
 private bool drawing = false;
 private void panel1_MouseDown(object sender, MouseEventArgs e)
     {
     startPoint = e.Location;
     endPoint = e.Location;
     panel1.Invalidate();
     drawing = true;
     }

 private void panel1_MouseMove(object sender, MouseEventArgs e)
     {
     if (drawing)
         {
         endPoint = e.Location;
         panel1.Invalidate();
         }
     }

 private void panel1_MouseUp(object sender, MouseEventArgs e)
     {
     drawing = false;
     }

 private void panel1_Paint(object sender, PaintEventArgs e)
     {
     if (!((startPoint.X == endPoint.X) && (startPoint.Y == endPoint.Y)))
         {
         Rectangle r = new Rectangle(startPoint.X, startPoint.Y, endPoint.X - startPoint.X, endPoint.Y - startPoint.Y);
         e.Graphics.DrawRectangle(Pens.Black, r);
         }
     }