private void txtCourse_TextChanged(object sender, EventArgs e) { object[][] HelpArray = new object[4][]; HelpArray[0] = new object[3]; HelpArray[0][0] = ""; HelpArray[0][1] = "SCourseCode"; HelpArray[0][2] = ""; HelpArray[1] = new object[3]; HelpArray[1][0] = ""; HelpArray[1][1] = "SCourseName"; HelpArray[1][2] = ""; HelpArray[2] = new object[3]; HelpArray[1][0] = ""; HelpArray[2][1] = "NAmount"; HelpArray[2][2] = ""; HelpArray[3] = new object[3]; HelpArray[3][0] = ""; HelpArray[3][1] = "NCreditPeriod"; HelpArray[3][2] = ""; MasterHelp mHelp = new MasterHelp(); string SWhere = "Where SCourseCode='" + txtCourse.Text.Trim() + "'"; object uHelpArray = mHelp.Get_Course(HelpArray, SWhere); this.txtCourse.Text = HelpArray[0][2].ToString(); this.txtCourseName.Text = HelpArray[1][2].ToString(); }