📄 frmexam.cs
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//
// btnSave
//
this.btnSave.BackColor = System.Drawing.Color.Transparent;
this.btnSave.FlatStyle = System.Windows.Forms.FlatStyle.Popup;
this.btnSave.Font = new System.Drawing.Font("Verdana", 9F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
this.btnSave.ForeColor = System.Drawing.SystemColors.ActiveCaptionText;
this.btnSave.Location = new System.Drawing.Point(200, 424);
this.btnSave.Name = "btnSave";
this.btnSave.Size = new System.Drawing.Size(96, 26);
this.btnSave.TabIndex = 45;
this.btnSave.Text = "创建(&C)";
this.btnSave.Click += new System.EventHandler(this.btnSave_Click);
//
// lblMarks
//
this.lblMarks.AutoSize = true;
this.lblMarks.BackColor = System.Drawing.Color.Transparent;
this.lblMarks.Font = new System.Drawing.Font("Century Gothic", 9F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
this.lblMarks.ForeColor = System.Drawing.SystemColors.ActiveCaptionText;
this.lblMarks.Location = new System.Drawing.Point(288, 190);
this.lblMarks.Name = "lblMarks";
this.lblMarks.Size = new System.Drawing.Size(18, 18);
this.lblMarks.TabIndex = 49;
this.lblMarks.Text = "10";
//
// btnHelp
//
this.btnHelp.BackColor = System.Drawing.Color.Transparent;
this.btnHelp.FlatStyle = System.Windows.Forms.FlatStyle.Popup;
this.btnHelp.Font = new System.Drawing.Font("Verdana", 9F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
this.btnHelp.ForeColor = System.Drawing.SystemColors.ActiveCaptionText;
this.btnHelp.Location = new System.Drawing.Point(616, 25);
this.btnHelp.Name = "btnHelp";
this.btnHelp.Size = new System.Drawing.Size(72, 26);
this.btnHelp.TabIndex = 50;
this.btnHelp.Text = "帮助(&H)";
this.btnHelp.Click += new System.EventHandler(this.btnHelp_Click);
//
// cboNumofQuestions
//
this.cboNumofQuestions.BackColor = System.Drawing.SystemColors.Info;
this.cboNumofQuestions.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
this.cboNumofQuestions.Items.AddRange(new object[] {
"10",
"20",
"25",
"50"});
this.cboNumofQuestions.Location = new System.Drawing.Point(557, 155);
this.cboNumofQuestions.Name = "cboNumofQuestions";
this.cboNumofQuestions.Size = new System.Drawing.Size(134, 20);
this.cboNumofQuestions.TabIndex = 51;
this.cboNumofQuestions.SelectedIndexChanged += new System.EventHandler(this.cboNumofQuestions_SelectedIndexChanged);
//
// label1
//
this.label1.AutoSize = true;
this.label1.BackColor = System.Drawing.Color.Transparent;
this.label1.Font = new System.Drawing.Font("Century Gothic", 9F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
this.label1.ForeColor = System.Drawing.SystemColors.ActiveCaptionText;
this.label1.Location = new System.Drawing.Point(595, 302);
this.label1.Name = "label1";
this.label1.Size = new System.Drawing.Size(32, 18);
this.label1.TabIndex = 52;
this.label1.Text = "分钟";
//
// errExam
//
this.errExam.ContainerControl = this;
//
// frmExam
//
this.AutoScaleBaseSize = new System.Drawing.Size(6, 14);
this.BackgroundImage = ((System.Drawing.Image)(resources.GetObject("$this.BackgroundImage")));
this.ClientSize = new System.Drawing.Size(783, 520);
this.Controls.Add(this.label1);
this.Controls.Add(this.lblMarks);
this.Controls.Add(this.lblMarksperQuestion);
this.Controls.Add(this.txtExamTitle);
this.Controls.Add(this.lblExamTitle);
this.Controls.Add(this.txtExamCode);
this.Controls.Add(this.lblSubject);
this.Controls.Add(this.lblNumberOfQuestion);
this.Controls.Add(this.lblExamCode);
this.Controls.Add(this.lblCreateExam);
this.Controls.Add(this.cboNumofQuestions);
this.Controls.Add(this.btnHelp);
this.Controls.Add(this.btnClose);
this.Controls.Add(this.btnSave);
this.Controls.Add(this.grpPersonalDetails);
this.Controls.Add(this.cboSubject);
this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.None;
this.Location = new System.Drawing.Point(146, 115);
this.Name = "frmExam";
this.ShowInTaskbar = false;
this.StartPosition = System.Windows.Forms.FormStartPosition.Manual;
this.Text = "frmExam";
this.TopMost = true;
this.Load += new System.EventHandler(this.frmExam_Load);
this.grpPersonalDetails.ResumeLayout(false);
this.ResumeLayout(false);
}
#endregion
private void btnClose_Click(object sender, System.EventArgs e)
{
this.Close();
}
private bool syntaxCheck()
{
if (this.txtExamTitle.Text.Trim().Length == 0)
{
MessageBox.Show("考试标题不能为空！");
this.txtExamTitle.Focus();
return false;
}
if (this.cboNumofQuestions.Text.Trim().Length == 0)
{
MessageBox.Show("试题数目不能为空！");
this.cboNumofQuestions.Focus();
return false;
}
if (this.txtScheduledAt.Text.Trim().Length == 0)
{
MessageBox.Show("预定考试不能为空！");
this.txtScheduledAt.Focus();
return false;
}
try
{
DateTime.Parse(this.txtScheduledAt.Text.Trim());
}
catch(Exception)
{
MessageBox.Show("预定时间格式应该为 ##:## ！");
this.txtScheduledAt.Focus();
return false;
}
if (this.txtDuration.Text.Trim().Length == 0)
{
MessageBox.Show("持续时间不能为空！");
this.txtDuration.Focus();
return false;
}
if (chkNum(this.txtDuration.Text.Trim()) == false)
{
MessageBox.Show("持续时间应该为数字！");
this.txtDuration.Focus();
return false;
}
int duration;
try
{
duration=Convert.ToInt32(this.txtDuration.Text.Trim());
}
catch(Exception)
{
MessageBox.Show("持续时间应该为数字！");
//this.txtDuration.Focus();
this.txtDuration.SelectAll();
return false;
}
if ( (duration<1)||(duration>180))
{
MessageBox.Show("持续时间应该为 1-180 分钟！");
this.txtDuration.Focus();
return false;
}
return true;
}
private void btnSave_Click(object sender, System.EventArgs e)
{
//Modify by DongPing on 2004-12-25
//if (this.txtScheduledAt.Text.Trim().Length == 0)
//{
// errorMsg = ("Scheduled Time cannot be empty. Please enter valid value");
// this.errExam.SetError(this.txtScheduledAt, errorMsg);
// this.btnSave.Enabled=false;
// this.txtScheduledAt.Focus();
//}
if (syntaxCheck()==true)
{
//this.errExam.SetError(txtScheduledAt, ""); Modify by dongping 2004-12-25
//call CreateTable to create a temporary table
CreateTable();
Exam objExam =new Exam();
//add a new row to the temporary table
DataRow drExam=dtExam.NewRow();
drExam["ExamCode"]=this.txtExamCode.Text;
drExam["SubjectCode"]=this.cboSubject.Text;
drExam["ExamTitle"]=this.txtExamTitle.Text;
int num=Convert.ToInt32(this.cboNumofQuestions.Text);
drExam["TotalQuest"]=num;
drExam["ScheduledOn"]=this.dtpSchedule.Value.ToString("dd/MM/yyyy");
drExam["ScheduledTime"]=this.txtScheduledAt.Text;
drExam["Duration"]=this.txtDuration.Text;
//call create exam of the exam class
//MessageBox.Show("The exam has been successfully created");
//call GenerateTestPaper to generate a paper for the exam and
//store it in the TestPaper table
bool result;
DataAccess objDA=DataAccess.GetInstance ();
result=objExam.GenerateTestPaper(this.txtExamCode.Text,this.cboSubject.Text,Convert.ToInt32(cboNumofQuestions.Text));
if(result)
{
objExam.CreateExam(drExam);
MessageBox.Show("已成功创建考试");
MessageBox.Show("已成功生成试卷");
}
else
{
MessageBox.Show("由于试题数目不够不能生成试卷，请为该科目添加试题");
MessageBox.Show("考试尚未创建");
}
this.Close();
}
}
public void CreateTable()
{
dtExam = new DataTable("tbl_Exams");
DataColumn pKeyCol = dtExam.Columns.Add("ExamCode", typeof(String));
pKeyCol.AllowDBNull = false;
pKeyCol.Unique = true;
dtExam.Columns.Add("SubjectCode", typeof(String));
dtExam.Columns.Add("ScheduledOn", typeof(String));
dtExam.Columns.Add("ScheduledTime", typeof(String));
dtExam.Columns.Add("TotalQuest", typeof(Int32));
dtExam.Columns.Add("ExamTitle", typeof(String));
dtExam.Columns.Add("Duration", typeof(String));
}
private void cboNumofQuestions_SelectedIndexChanged(object sender, System.EventArgs e)
{
//call a function to display the marks per question based on the
//number of questions selected
DisplayMarks(this.cboNumofQuestions.Text);
}
public void DisplayMarks(string questSelected)
{
int quest=Convert.ToInt32(questSelected);
int mksPerQuest=100/quest;
lblMarks.Text=mksPerQuest.ToString();
}
private void cboSubject_SelectedIndexChanged(object sender, System.EventArgs e)
{
Exam objExam=new Exam();
//call a method from the Exam class to generate the exam code
//based on the subject selected
this.txtExamCode.Text= objExam.GenerateExamCode(this.cboSubject.Text);
btnSave.Enabled=true;
}
private void dtpSchedule_ValueChanged(object sender, System.EventArgs e)
{
//validate date entered
if (dtpSchedule.Value <=DateTime.Now)
{
MessageBox.Show("选定的日期无效...请选择将来的日期");
}
}
// private void txtDuration_Leave(object sender, System.EventArgs e)
// {
// //validate duration entered - call a method to check if number
// if ((this.txtDuration.Text.Trim().Length == 0) || (! this.chkNum(this.///txtDuration.Text)))
// {
// errorMsg = ("Duration cannot be empty or non-numeric. Please Enter valid value");
/// this.errExam.SetError(this.txtDuration, errorMsg);
// this.txtDuration.Focus();
// }
// else
// this.errExam.SetError(txtDuration, "");
// }
private bool chkNum(string str)
{
for(int i=0; i<str.Length;i++)
{
if(! Char.IsNumber(str,i))
{
return false;
}
}
return true;
}
// private void txtExamTitle_Leave(object sender, System.EventArgs e)
// {
// if (this.txtExamTitle.Text.Trim().Length == 0)
// {
// errorMsg = ("Title cannot be empty. Please Enter valid value");
// this.errExam.SetError(this.txtExamTitle, errorMsg);
// this.txtExamTitle.Focus();
// }
// else
// {
// this.errExam.SetError(txtExamTitle, "");
// }
// }
// private void txtScheduledAt_Leave(object sender, System.EventArgs e)
// {
// if (this.txtScheduledAt.Text.Trim().Length == 0)
// {
// errorMsg = ("Scheduled Time cannot be empty. Please enter valid value");
// this.errExam.SetError(this.txtScheduledAt, errorMsg);
// this.btnSave.Enabled=false;
// this.txtScheduledAt.Focus();
// }
// else
// {
// this.errExam.SetError(txtScheduledAt, "");
// this.btnSave.Enabled=true;
// }
// }
private void frmExam_Load(object sender, System.EventArgs e)
{
btnSave.Enabled=false;
}
private void btnHelp_Click(object sender, System.EventArgs e)
{
Help.ShowHelp(this,Environment.CurrentDirectory +@"\\OES_Help\OES_Help.chm");
}
}
}
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