/// <summary>
/// 保存
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected void btnSave_Click(object sender, EventArgs e)
{
//保存文本
string OriginalTitleText = this.hcTemplate.Value;
//翻译成模板文本
string TemplateTitleText = Server.HtmlDecode(OriginalTitleText);
AllNodes.ToList().ForEach(p => {
TemplateTitleText = TemplateTitleText.Replace(p.Value, p.Key);
});
//保存文本
string OriginalContentText = this.hcTemplate.Text;
//翻译成模板文本
string TemplateContentText = Server.HtmlDecode(OriginalContentText);
AllNodes.ToList().ForEach(p =>
{
TemplateContentText = TemplateContentText.Replace(p.Value, p.Key);
});
using (BizDataContext context = new BizDataContext())
{
SysProcessRemindTemplate model;
if (TemplateId == null)
{
model = new SysProcessRemindTemplate();
model.TemplateId = context.GetNextIdentity();
model.State = 1;
}
else
{
model = context.FindById <SysProcessRemindTemplate>(TemplateId.Value);
}
model.TemplateName = this.tcTemplateName.Text;
model.TemplateType = this.ccTemplateType.SelectedValue.ToInt();
model.ProcessEntityId = this.ccProcessEntityId.SelectedValue.ToLong();
model.ActivityEntityId = this.ccActivityEntityId.SelectedValue.ToLong();
model.UseTimeType = this.ccUseTimeType.SelectedValue.ToInt();
model.ResultType = this.ccResultType.SelectedValue.ToInt();
model.OriginalTitleText = OriginalTitleText;
model.OriginalContentText = OriginalContentText;
model.TemplateContentText = TemplateContentText;
model.TemplateTitleText = TemplateTitleText;
if (TemplateId == null)
{
context.Insert(model);
}
else
{
context.Update(model);
}
}
Response.Redirect("~/SystemManagement/ProcessTemplateQuery.aspx");
}
/// <summary>
/// 给当前的自动ID加上count，然后获得当前的自动ID
/// </summary>
/// <param name="count"></param>
/// <returns></returns>
public long GetCurrentIdentity(long count)
{
try
{
using (BizDataContext context = new BizDataContext())
{
long result = 0;
for (int i = 0; i < count; i++)
{
result = context.GetNextIdentity();
}
return(result - count + 1);
}
}
catch
{
return(-1);
}
}
/// <summary>
/// 连接两个活动
/// </summary>
private void ConnectActivity(BizDataContext db, SysActivity prev, SysActivity post, FlowStepDirection direction)
{
SysTransition t = new SysTransition()
{
TransitionId = db.GetNextIdentity(),
PreActivityId = prev.ActivityId,
PostActivityId = post.ActivityId,
ProcessId = this.ProcessId,
Direction = (int)direction,
};
switch (direction)
{
case FlowStepDirection.False: t.DisplayText = "驳回"; break;
case FlowStepDirection.True: t.DisplayText = "通过"; break;
default: break;
}
db.Insert(t);
}
/// <summary>
/// 保存流程参与人
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected void cbc_CallBack(object sender, CallBackEventArgs e)
{
JavaScriptSerializer js = new JavaScriptSerializer();
string errorMsg = string.Empty; //错误消息
bool isError = false;
try
{
int? functionType = e.Context["FunctionType"].ToStringNullable().ToIntNullable();
int? userId = e.Context["UserId"].ToStringNullable().ToIntNullable();
int? roleId = e.Context["RoleId"].ToStringNullable().ToIntNullable();
long processId = e.Context["ProcessId"].ToLong();
string participantName = string.Empty;
if (functionType == null)
{
throw new Exception("参与人类型不能为空");
}
if (functionType == (int)ParticipantFunctionType.SpecialUser)
{
T_User user = this.DataHelper.FindById <T_User>(userId);
if (user == null)
{
throw new Exception("请指定具体人员");
}
participantName = user.User_Name;
}
if (functionType == (int)ParticipantFunctionType.SpecialRole)
{
T_Role role = this.DataHelper.FindById <T_Role>(roleId);
if (role == null)
{
throw new Exception("请指定具体角色");
}
participantName = string.Format("{0}角色", role.Role_Name);
}
if (functionType == (int)ParticipantFunctionType.DIRECT_MANAGER)
{
participantName = "直属主管";
}
using (System.Transactions.TransactionScope ts = new System.Transactions.TransactionScope())
{
using (BizDataContext db = new BizDataContext())
{
int count = db.Set <SysProcessParticipant>().Where(p =>
p.ProcessId == processId && p.FunctionType == functionType && p.Param_RoleId == roleId && p.Param_UserId == userId).Count();
if (count > 0)
{
throw new Exception("已存在相同的流程参与人");
}
long?param_partId = null;
if (functionType == (int)ParticipantFunctionType.DIRECT_MANAGER)
{
SysProcessParticipant pStartUser = new SysProcessParticipant()
{
ParticipantId = db.GetNextIdentity(),
ProcessId = processId,
FunctionType = (int)ParticipantFunctionType.StartUser,
ParticipantName = "流程启动人",
};
param_partId = pStartUser.ParticipantId;
db.Insert(pStartUser);
}
SysProcessParticipant pCurrent = new SysProcessParticipant()
{
ParticipantId = db.GetNextIdentity(),
ProcessId = processId,
FunctionType = functionType,
Param_UserId = userId,
Param_RoleId = roleId,
Param_ParticipantId = param_partId,
ParticipantName = participantName,
};
db.Insert(pCurrent);
}
ts.Complete();
}
}
catch (Exception ex)
{
isError = true;
errorMsg = ex.Message;
}
string result = js.Serialize(new
{
IsError = isError,
Error = errorMsg,
});
e.Result = result;
}
protected void btnNextStep_Click(object sender, EventArgs e)
{
try
{
string entityType = this.ddlEntityType.SelectedValue;
string displayText = this.txtSysEntity.Text.Trim();
string entityName = "T_" + displayText.ToPingYin();
string formName = this.txtFormName.Text.Trim();
string formTitle = this.txtFormTitle.Text.Trim();
string formDecription = this.txtFormDescription.Text.Trim();
if (string.IsNullOrEmpty(formName))
{
throw new Exception("表单名称不能为空");
}
using (System.Transactions.TransactionScope ts = new System.Transactions.TransactionScope())
{
using (BizDataContext db = new BizDataContext())
{
switch (entityType)
{
case "0":
case "1":
if (this.EntityId == null)
{
throw new Exception("关联实体不能为空");
}
break;
case "2":
if (string.IsNullOrEmpty(displayText))
{
throw new Exception("关联实体不能为空");
}
if (string.IsNullOrEmpty(entityName))
{
throw new Exception("关联实体表名不能为空");
}
SysEntity tempEntity = db.FirstOrDefault <SysEntity>(p =>
p.EntityName == entityName || p.DisplayText == displayText);
if (tempEntity != null)
{
throw new Exception("当前新增的关联实体名称已存在");
}
tempEntity = new SysEntity()
{
EntityId = db.GetNextIdentity(),
EntityName = entityName,
DisplayText = displayText,
Description = displayText,
IsFormEntity = true,
CreateTime = DateTime.Now,
};
db.Insert(tempEntity);
this.EntityId = tempEntity.EntityId;
//默认加一个主键字段
SysField tempField = new SysField()
{
FieldId = db.GetNextIdentity(),
EntityId = tempEntity.EntityId,
FieldName = displayText.ToPingYin() + "_Id",
DisplayText = displayText + "ID",
Description = displayText + "ID",
DataType = (int)DataTypeEnum.pkey,
IsFormField = true, //2013-9-24 zhumin
};
db.Insert(tempField);
break;
default: break;
}
if (this.FormId != null)
{
SysForm form = db.FindById <SysForm>(this.FormId);
if (form != null)
{
form.FormName = formName;
form.EntityId = this.EntityId;
form.UpdateTime = DateTime.Now;
form.UpdateUserId = this.LoginUserID;
form.FormTitle = formTitle;
form.FormDescription = formDecription;
db.UpdatePartial(form, p => new { p.FormName, p.FormTitle, p.FormDescription, p.EntityId, p.UpdateTime, p.UpdateUserId });
}
else
{
throw new Exception("表单不存在");
}
}
else
{
SysForm form = new SysForm()
{
FormId = db.GetNextIdentity(),
FormName = formName,
FormTitle = formTitle,
FormDescription = formDecription,
EntityId = this.EntityId,
CreateTime = DateTime.Now,
CreateUserId = this.LoginUserID,
OwnerId = this.LoginUserID,
State = (int)FormState.New,
};
db.Insert(form);
this.FormId = form.FormId;
}
}
ts.Complete();
}
Response.Redirect(string.Format("FormDesigner_SecondStep.aspx?id={0}", this.FormId));
}
catch (Exception ex)
{
this.AjaxAlertAndEnableButton(ex);
}
}
/// <summary>
/// 复制流程，从“已启用”或“已升级”的流程进入设计，需要先复制一份流程供设计
/// 状态为“新增”，版本为当前最高版本 + 1
/// </summary>
public SysProcess CopyProcess()
{
SysProcess result;
using (System.Transactions.TransactionScope ts = new System.Transactions.TransactionScope())
{
using (BizDataContext db = new BizDataContext())
{
//新流程
SysProcess newP = _process.ConvertTo <SysProcess>();
newP.ProcessId = db.GetNextIdentity();
//版本处理
newP.ProcessStatus = (int)ProcessState.Created;
string maxVersion = db.Set <SysProcess>().Where(p => p.ProcessType == _process.ProcessType).OrderByDescending(p => p.ProcessVersion).First().ProcessVersion;
newP.ProcessVersion = (maxVersion.ToInt() + 1).ToString();
result = newP;
db.Insert(newP);
//新流程参与人
var ppList = db.Set <SysProcessParticipant>().Where(p => p.ProcessId == _process.ProcessId).ToList();
Dictionary <long?, SysProcessParticipant> tempPpDict = new Dictionary <long?, SysProcessParticipant>();
foreach (var pp in ppList)
{
SysProcessParticipant newPp = pp.ConvertTo <SysProcessParticipant>();
newPp.ParticipantId = db.GetNextIdentity();
newPp.ProcessId = newP.ProcessId;
tempPpDict[pp.ParticipantId] = newPp; //记录原始ID和新对象的关系
}
foreach (var newPp in tempPpDict.Values)
{
if (newPp.Param_ParticipantId != null) //通过刚才记录的关系找到实际的值
{
newPp.Param_ParticipantId = tempPpDict[newPp.Param_ParticipantId].ParticipantId;
}
db.Insert(newPp);
}
//新活动
var aList = db.Set <SysActivity>().Where(p => p.ProcessId == _process.ProcessId).ToList();
Dictionary <long?, SysActivity> tempADict = new Dictionary <long?, SysActivity>();
foreach (var a in aList)
{
SysActivity newA = a.ConvertTo <SysActivity>();
newA.ActivityId = db.GetNextIdentity();
newA.ProcessId = newP.ProcessId;
tempADict[a.ActivityId] = newA;//记录原始ID和新对象的关系
db.Insert(newA);
//新活动参与人
var apList = db.Set <SysActivityParticipant>().Where(p => p.ActivityId == a.ActivityId).ToList();
foreach (var ap in apList)
{
SysActivityParticipant newAp = ap.ConvertTo <SysActivityParticipant>();
newAp.ActivityParticipantId = db.GetNextIdentity();
newAp.ActivityId = newA.ActivityId;
newAp.ParticipantId = tempPpDict[newAp.ParticipantId].ParticipantId; //通过刚才记录的关系找到实际的值
db.Insert(newAp);
}
}
//连接线
var tList = db.Set <SysTransition>().Where(p => p.ProcessId == _process.ProcessId).ToList();
foreach (var t in tList)
{
SysTransition newT = t.ConvertTo <SysTransition>();
newT.TransitionId = db.GetNextIdentity();
newT.ProcessId = newP.ProcessId;
//通过刚才记录的关系找到实际的值
newT.PreActivityId = tempADict[newT.PreActivityId].ActivityId;
newT.PostActivityId = tempADict[newT.PostActivityId].ActivityId;
db.Insert(newT);
}
//表单活动权限
var fpList = db.Set <SysFormPrivilege>().Where(p => p.ProcessId == _process.ProcessId).ToList();
foreach (var fp in fpList)
{
SysFormPrivilege newFp = fp.ConvertTo <SysFormPrivilege>();
newFp.PrivilegeId = db.GetNextIdentity();
newFp.ProcessId = newP.ProcessId;
newFp.ActivityId = tempADict[newFp.ActivityId].ActivityId;//通过刚才记录的关系找到实际的值
db.Insert(newFp);
}
}
ts.Complete();
}
return(result);
}
/// <summary>
/// 选中现有字段并添加为表单字段
/// </summary>
/// <param name="sectionId"></param>
/// <param name="parameter"></param>
/// <returns></returns>
private string SelectField(long sectionId, string parameter)
{
StringBuilder sb = new StringBuilder();
SysFormFieldSection section = this.DataHelper.FindById <SysFormFieldSection>(sectionId);
if (section != null)
{
JavaScriptSerializer js = new JavaScriptSerializer();
object[] fieldList = js.DeserializeObject(parameter) as object[];
if (fieldList == null)
{
throw new Exception("回调参数不正确");
}
var source = fieldList.Select(p => p as Dictionary <string, object>)
.Select(p => new
{
FieldId = p["FieldId"].ToLong(),
RelationId = p["RelationId"].ToStringNullable().ToLongNullable(),
});
int maxOrder = this.DataHelper.Set <SysFormField>().Where(p => p.FormSectionId == sectionId).Max(p => p.DisplayOrder ?? 0);
using (System.Transactions.TransactionScope ts = new System.Transactions.TransactionScope())
{
using (BizDataContext db = new BizDataContext())
{
foreach (var p in source)
{
SysField field = this.EntityCache.FindById <SysField>(p.FieldId);
if (field == null)
{
field = db.FindById <SysField>(p.FieldId);
}
if (field != null)
{
SysFormField ff = new SysFormField()
{
FormFieldId = db.GetNextIdentity(),
FormSectionId = sectionId,
FormId = section.FormId,
FieldId = p.FieldId,
RelationId = p.RelationId,
DisplayOrder = ++maxOrder,
EntityId = field.EntityId,
DataType = field.DataType,
IsNullable = true,
CreateUserId = this.LoginUserID,
CreateTime = DateTime.Now,
};
db.Insert(ff);
sb.AppendFormat("<div id=\"{0}\" class=\"field unselected\" onclick=\"Select(this);\">{1}</div>", ff.FormFieldId, field.DisplayText);
}
else
{
throw new Exception("找不到关联字段");
}
}
}
ts.Complete();
}
}
else
{
throw new Exception("找不到表单段落");
}
return(sb.ToString());
}
/// <summary>
/// 新增表单字段
/// </summary>
/// <param name="sectionId"></param>
/// <param name="parameter"></param>
/// <param name="otherContent"></param>
/// <returns></returns>
private string NewField(long sectionId, string parameter, ref object otherContent)
{
string result = string.Empty;
SysFormFieldSection section = this.DataHelper.FindById <SysFormFieldSection>(sectionId);
if (section != null)
{
SysForm form = this.DataHelper.FindById <SysForm>(section.FormId);
if (form == null)
{
throw new Exception("表单不存在");
}
JavaScriptSerializer js = new JavaScriptSerializer();
var valueDict = js.DeserializeObject(parameter) as Dictionary <string, object>;
if (valueDict == null)
{
throw new Exception("回调参数不正确");
}
string displayText = valueDict["DisplayText"].ToStringNullable();
string fieldName = valueDict["FieldName"].ToStringNullable();
int? dataType = valueDict["DataType"].ToStringNullable().ToIntNullable();
int temp = this.DataHelper.Set <SysField>().Where(p => p.EntityId == form.EntityId &&
(p.DisplayText == displayText || p.FieldName == fieldName)).Count();
if (temp > 0)
{
throw new Exception("当前新增的字段名称已经存在");
}
int maxOrder = this.DataHelper.Set <SysFormField>().Where(p => p.FormSectionId == sectionId).Max(p => p.DisplayOrder ?? 0);
using (System.Transactions.TransactionScope ts = new System.Transactions.TransactionScope())
{
using (BizDataContext db = new BizDataContext())
{
//新增字段
SysField field = new SysField()
{
FieldId = db.GetNextIdentity(),
DisplayText = displayText,
FieldName = fieldName,
EntityId = form.EntityId,
Description = displayText,
DataType = dataType,
IsFormField = true,//2013-9-24 zhumin
};
db.Insert(field);
//新增表单字段
SysFormField ff = new SysFormField()
{
FormFieldId = db.GetNextIdentity(),
FormSectionId = sectionId,
EntityId = form.EntityId,
DisplayOrder = maxOrder + 1,
FormId = form.FormId,
FieldId = field.FieldId,
DataType = field.DataType,
IsNullable = true,
CreateTime = DateTime.Now,
CreateUserId = this.LoginUserID,
};
db.Insert(ff);
result = string.Format("<div id=\"{0}\" class=\"field unselected\" onclick=\"Select(this);\">{1}</div>", ff.FormFieldId, field.DisplayText);
otherContent = string.Format("<div class=\"divField\"><span><input type=\"checkbox\" fid=\"{0}\" /></span><span>{1}</span><span>{2}</span></div>", field.FieldId, field.DisplayText, field.FieldName);
}
ts.Complete();
}
}
return(result);
}
/// <summary>
/// 保存
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected void btnSave_Click(object sender, EventArgs e)
{
try
{
if (this.SelectedRoleId == null)
{
throw new Exception("请选择角色");
}
//现有配置
var fpDict = this.DataHelper.Set <SysFormRolePrivilege>()
.Where(p => p.RoleId == this.SelectedRoleId &&
p.FormId == this.FormId).ToList().ToDictionary(p => p.FormFieldId);
using (System.Transactions.TransactionScope ts = new System.Transactions.TransactionScope())
{
using (BizDataContext db = new BizDataContext())
{
foreach (RepeaterItem section in rSection.Items)
{
Repeater rField = section.FindControl("rField") as Repeater;
foreach (RepeaterItem field in rField.Items)
{
var hf = field.FindControl("hf") as HiddenField;
var ccInvisible = field.FindControl("ccInvisible") as RadioButton;
var ccReadOnly = field.FindControl("ccReadOnly") as RadioButton;
var ccReadWrite = field.FindControl("ccReadWrite") as RadioButton;
if (hf != null && ccInvisible != null && ccReadOnly != null && ccReadWrite != null)
{
var id = hf.Value.ToLong();
FormFieldPrivilege privilege = FormFieldPrivilege.Invisible;
if (ccReadOnly.Checked)
{
privilege = FormFieldPrivilege.ReadOnly;
}
else if (ccReadWrite.Checked)
{
privilege = FormFieldPrivilege.ReadWrite;
}
if (fpDict.ContainsKey(id))
{
var fp = fpDict[id];
if (fp.DisplayPrivilege != (int)privilege)
{
fp.DisplayPrivilege = (int)privilege;
db.UpdatePartial(fp, p => new { p.DisplayPrivilege });
}
}
else
{
SysFormRolePrivilege fp = new SysFormRolePrivilege()
{
PrivilegeId = db.GetNextIdentity(),
FormFieldId = id,
FormId = this.FormId,
RoleId = this.SelectedRoleId,
DisplayPrivilege = (int)privilege,
CreateTime = DateTime.Now,
CreateUserId = this.LoginUserID,
};
db.Insert(fp);
}
}
}
}
}
ts.Complete();
}
this.AjaxAlertAndEnableButton("保存成功");
}
catch (Exception ex)
{
this.AjaxAlertAndEnableButton(ex);
}
}
/// <summary>
/// 新增一个活动，并选中
/// </summary>
protected void btnAdd_Click(object sender, EventArgs e)
{
try
{
//所有活动
Dictionary <long, SysActivity> activityDict = this.DataHelper.Set <SysActivity>()
.Where(p => p.ProcessId == this.ProcessId).ToDictionary(p => p.ActivityId);
//最后一个审核活动
SysActivity lastActivity = activityDict.Values.Where(p => p.ActivityType == (int)ActivityType.Approve)
.OrderByDescending(p => p.DisplayOrder).FirstOrDefault();
SysActivity endReject = activityDict.Values.FirstOrDefault(p => p.ActivityType == (int)ActivityType.End && p.ActivityName == "驳回");
SysActivity endPass = activityDict.Values.FirstOrDefault(p => p.ActivityType == (int)ActivityType.End && p.ActivityName == "通过");
int maxCount = activityDict.Values.Max(p => p.DisplayOrder ?? 0);
//最后一个审核活动通过指向的连接线
SysTransition t = this.DataHelper.Set <SysTransition>()
.Where(p => p.PreActivityId == lastActivity.ActivityId &&
p.Direction == (int)FlowStepDirection.True).FirstOrDefault();
SysActivity newActivity;
using (System.Transactions.TransactionScope ts = new System.Transactions.TransactionScope())
{
using (BizDataContext db = new BizDataContext())
{
//新活动
newActivity = new SysActivity()
{
ActivityId = db.GetNextIdentity(),
ProcessId = this.ProcessId,
ActivityType = (int)ActivityType.Approve,
DisplayOrder = maxCount + 1,
ExecType = (int)ActivityExecType.Manual,
PassType = (int)ActivityPassType.FirstDefault,
IsPassedWithNoParticipants = true,
ActivityName = "活动名称",
LeftPos = 350,
TopPos = (maxCount + 1) * 130 + 50,
};
db.Insert(newActivity);
//把上一个活动接到新活动
t.PostActivityId = newActivity.ActivityId;
db.UpdatePartial(t, p => new { p.PostActivityId });
//按默认规则链接新活动和结束活动
ConnectActivity(db, newActivity, endPass, FlowStepDirection.True);
ConnectActivity(db, newActivity, endReject, FlowStepDirection.False);
}
ts.Complete();
}
//选中新活动
SelectActivity(newActivity);
this.EnableButton();
}
catch (Exception ex)
{
this.AjaxAlertAndEnableButton(ex);
}
}
/// <summary>
/// 进入页面，如果没有任何活动，自动添加隐藏的开始活动、结束活动、以及第一个审核活动，并选中第一个审核活动
/// </summary>
private void AddHiddenAndFirstActivity()
{
int count = this.DataHelper.Set <SysActivity>()
.Where(p => p.ProcessId == this.ProcessId).Count();
if (count == 0)
{
using (System.Transactions.TransactionScope ts = new System.Transactions.TransactionScope())
{
using (BizDataContext db = new BizDataContext())
{
//开始活动
SysActivity start = new SysActivity()
{
ActivityId = db.GetNextIdentity(),
ActivityName = "开始",
ActivityType = (int)ActivityType.Start,
ProcessId = this.ProcessId,
ExecType = (int)ActivityExecType.Auto,
LeftPos = 350,
TopPos = 50,
};
db.Insert(start);
//第一个审核活动
SysActivity first = new SysActivity()
{
ActivityId = this.DataHelper.GetNextIdentity(),
ProcessId = this.ProcessId,
ActivityType = (int)ActivityType.Approve,
ActivityName = "活动名称",
DisplayOrder = 1,
ExecType = (int)ActivityExecType.Manual,
PassType = (int)ActivityPassType.FirstDefault,
LeftPos = 350,
TopPos = 180,
};
db.Insert(first);
//结束活动（通过）
SysActivity endPass = new SysActivity()
{
ActivityId = db.GetNextIdentity(),
ActivityName = "通过",
ActivityType = (int)ActivityType.End,
ProcessId = this.ProcessId,
ExecType = (int)ActivityExecType.Auto,
IsPassedWithNoParticipants = true,
LeftPos = 100,
TopPos = 350,
ApproveResult = (int)ApproveResultEnum.Pass,
};
db.Insert(endPass);
//结束活动（驳回）
SysActivity endReject = new SysActivity()
{
ActivityId = db.GetNextIdentity(),
ActivityName = "驳回",
ActivityType = (int)ActivityType.End,
ProcessId = this.ProcessId,
ExecType = (int)ActivityExecType.Auto,
LeftPos = 600,
TopPos = 350,
ApproveResult = (int)ApproveResultEnum.Reject,
};
db.Insert(endReject);
//按默认规则链接这三个活动
ConnectActivity(db, start, first, FlowStepDirection.True);
ConnectActivity(db, first, endPass, FlowStepDirection.True);
ConnectActivity(db, first, endReject, FlowStepDirection.False);
}
ts.Complete();
}
}
//选中第一个活动
var a = this.DataHelper.Set <SysActivity>()
.Where(p => p.ProcessId == this.ProcessId && p.ActivityType == (int)ActivityType.Approve)
.OrderBy(p => p.DisplayOrder).FirstOrDefault();
SelectActivity(a);
}