private void AddTrainCourseCourseware(TreeViewNodeCollection tvNodes)
{
ArrayList objList = GetCourseWareList();
foreach (TreeViewNode node in tvNodes)
{
if (node.ShowCheckBox == true)
{
if (node.Checked == true)
{
if (objList.IndexOf(node.Value) == -1)
{
TrainCourseCoursewareBLL obj = new TrainCourseCoursewareBLL();
TrainCourseCourseware objTrainCourseCourseware = new TrainCourseCourseware();
objTrainCourseCourseware.CourseID = Convert.ToInt32(ViewState["CourseID"].ToString());
objTrainCourseCourseware.CoursewareID = Convert.ToInt32(node.Value);
obj.AddTrainCourseCourseware(objTrainCourseCourseware);
}
}
}
if (node.Nodes.Count > 0)
{
AddTrainCourseCourseware(node.Nodes);
}
}
}
/// <summary>
/// 获取当前课程中教材章节ID的列表
/// </summary>
/// <returns></returns>
private ArrayList GetCourseWareList()
{
ArrayList objList = new ArrayList();
TrainCourseCoursewareBLL objTrainCourseCoursewareBll = new TrainCourseCoursewareBLL();
IList <TrainCourseCourseware> objTrainCourseCoursewareList =
objTrainCourseCoursewareBll.GetTrainCourseCoursewareByCourseID(Convert.ToInt32(ViewState["CourseID"].ToString()));
if (objTrainCourseCoursewareList.Count > 0)
{
foreach (TrainCourseCourseware objTrainCourseCourseware in objTrainCourseCoursewareList)
{
objList.Add(objTrainCourseCourseware.CoursewareID.ToString());
}
}
return(objList);
}
private void DelTrainCourseCourseware(TreeViewNodeCollection tvNodes)
{
foreach (TreeViewNode node in tvNodes)
{
if (node.ShowCheckBox == true)
{
if (node.Checked == true)
{
TrainCourseCoursewareBLL obj = new TrainCourseCoursewareBLL();
obj.DeleteTrainCourseCourseware(Convert.ToInt32(node.Value));
}
}
if (node.Nodes.Count > 0)
{
DelTrainCourseCourseware(node.Nodes);
}
}
}
private void BindChooseWareTree()
{
tvChooseWare.Nodes.Clear();
CoursewareTypeBLL coursewareTypeBll = new CoursewareTypeBLL();
IList <CoursewareType> coursewareTypeList =
coursewareTypeBll.GetCoursewareTypesByCourseID(Convert.ToInt32(ViewState["CourseID"].ToString()));
if (coursewareTypeList.Count > 0)
{
TreeViewNode tvn = null;
foreach (CoursewareType coursewareType in coursewareTypeList)
{
tvn = new TreeViewNode();
tvn.ID = "t" + coursewareType.CoursewareTypeId.ToString();
tvn.Value = "0";
tvn.Text = coursewareType.CoursewareTypeName;
tvn.ToolTip = coursewareType.CoursewareTypeName;
if (coursewareType.ParentId == 0)
{
tvChooseWare.Nodes.Add(tvn);
}
else
{
try
{
tvChooseWare.FindNodeById("t" + coursewareType.ParentId.ToString()).Nodes.Add(tvn);
}
catch
{
tvChooseWare.Nodes.Clear();
Response.Write("数据错误！");
return;
}
}
}
}
foreach (TreeViewNode node1 in tvChooseWare.Nodes)
{
if (node1.Nodes.Count > 0)
{
foreach (TreeViewNode node in node1.Nodes)
{
string strID = node.ID.Replace("t", "").Trim();
TrainCourseCoursewareBLL objTrainCourseWareBll = new TrainCourseCoursewareBLL();
IList <TrainCourseCourseware> objTrainCourseWareList =
objTrainCourseWareBll.GetTrainCourseCoursewareByTypeID(Convert.ToInt32(ViewState["CourseID"].ToString()), Convert.ToInt32(strID));
if (objTrainCourseWareList.Count > 0)
{
foreach (TrainCourseCourseware courseware in objTrainCourseWareList)
{
TreeViewNode tvn = new TreeViewNode();
tvn.ID = courseware.CoursewareTypeID.ToString();
tvn.Value = courseware.TrainCourseCoursewareID.ToString();
tvn.Text = courseware.CoursewareName;
tvn.ToolTip = courseware.CoursewareName;
tvn.ShowCheckBox = true;
tvChooseWare.FindNodeById("t" + courseware.CoursewareTypeID.ToString()).Nodes.Add(tvn);
}
}
}
}
}
tvChooseWare.DataBind();
tvChooseWare.ExpandAll();
}
