protected void AddCourseToEmpty(object sender, EventArgs e)
{
ErrorMessage.Visible = false;
string courseName = ((TextBox) CoursesGrid.Controls[0].Controls[0].FindControl("txtCourseName")).Text.Trim();
string maxNumber = ((TextBox) CoursesGrid.Controls[0].Controls[0].FindControl("txtMaxAssigned")).Text.Trim();
using (var client = new CoursesManagerClient())
{
client.AddCourse(new Course { CourseName = courseName, MaxNumberOfStudents = int.Parse(maxNumber) });
}
LoadCourses();
}
protected void DeleteCourses(object sender, EventArgs e)
{
ErrorMessage.Visible = false;
foreach (GridViewRow row in CoursesGrid.Rows)
{
if (row.RowType == DataControlRowType.DataRow)
{
CheckBox checkRow = row.Cells[0].FindControl("DeleteCheckBox") as CheckBox;
if (checkRow != null && checkRow.Checked)
{
Label labelRow = row.Cells[1].FindControl("CourseId") as Label;
string courseId = labelRow == null ? string.Empty : labelRow.Text;
using (CoursesManagerClient client = new CoursesManagerClient())
{
client.DeleteCourse(courseId);
}
}
}
}
LoadCourses();
}
private void LoadCourses()
{
using (CoursesManagerClient client = new CoursesManagerClient())
{
CoursesGrid.DataSource = client.GetCourses();
IsSaveNewCourse = !client.GetCourses().Any();
CoursesGrid.DataBind();
}
}
private void Update()
{
string id =
((Label) CoursesGrid.Rows[EditingRowNumber].FindControl("CourseId")).Text.Trim();
string courseName =
((TextBox) CoursesGrid.Rows[EditingRowNumber].FindControl("txtCourseName")).Text.Trim
();
string maxCapacity =
((TextBox) CoursesGrid.Rows[EditingRowNumber].FindControl("txtMaxAssigned")).Text
.Trim();
using (var client = new CoursesManagerClient())
{
if (!client.UpdateCourse(id, courseName, maxCapacity))
{
string.Format("{1} [{0}] {2}.",
courseName, LocalizedText.DublicateCourseNamePartOne, LocalizedText.DublicateCourseNamePartTwo);
ErrorMessage.Visible = true;
}
}
CoursesGrid.Columns[3].HeaderText = LocalizedText.DeleteColumnHeader;
CoursesGrid.EditIndex = -1;
DeleteButton.Enabled = true;
LoadCourses();
}
private void AddNewCourse()
{
ErrorMessage.Visible = false;
string courseName = ((TextBox) CoursesGrid.FooterRow.FindControl("txtCourseName")).Text.Trim();
string maxNumber = ((TextBox) CoursesGrid.FooterRow.FindControl("txtMaxAssigned")).Text.Trim();
using (var client = new CoursesManagerClient())
{
if (!client.AddCourse(new Course { CourseName = courseName, MaxNumberOfStudents = int.Parse(maxNumber) }))
{
ErrorMessage.Text = string.Format("Course can not be added. Course with the name [{0}] already exists.",
courseName);
ErrorMessage.Visible = true;
}
}
DeleteButton.Enabled = true;
CoursesGrid.ShowFooter = false;
CoursesGrid.Columns[3].HeaderText = LocalizedText.DeleteColumnHeader;
LoadCourses();
}
