public MemoryStream GenerateCert()
{
var image = Converter.ConvertHtmlString(GenerateHtmlTemplate());
var ms = new MemoryStream();
image.Save(ms, ImageFormat.Png);
return(ms);
}
internal void GenerateToImage()
{
//these fields is not change with each student
string htmlTable = "";
string studyAvg = dt.Rows[0]["KL HT tb"].ToString();
string studentClass = dt.Rows[0]["Lớp"].ToString();
string studyCompletedLastWeek = dt.Rows[0]["KL học tập đã TH tuần trước"].ToString();
string timeRemain = dt.Rows[0]["thời gian còn lại"].ToString();
studyAvg = BeautiNumber(studyAvg, "{0:0.0}");
studyCompletedLastWeek = BeautiNumber(studyCompletedLastWeek, "{0:0.0}");
timeRemain = BeautiNumber(timeRemain, "{0:0}");
foreach (DataRow row in dt.Rows)
{
try
{
string course = row["Môn"].ToString();
string exam = row["Exam"].ToString();
string quest = row["% ques"].ToString();
string quiz = row["% quiz"].ToString();
string asm = row["% asm"].ToString();
string lab = row["%Lab"].ToString();
string courseStatus = row["Trạng thái môn"].ToString();
courseStatus = BeautiNumber(courseStatus, "{0:0.0}");
lab = BeautiNumber(lab, "{0:0.0%}");
quest = BeautiNumber(quest, "{0:0.0%}");
quiz = BeautiNumber(quiz, "{0:0.0%}");
asm = BeautiNumber(asm, "{0:0.0%}");
htmlTable += $@"<tr>
<td>{course}</td>
<td>{courseStatus}</td>
<td>{quest}</td>
<td>{quiz}</td>
<td>{lab}</td>
<td>{asm}</td>
<td>{exam}</td>
</tr>";
}
catch (Exception e)
{
//MessageBox.Show(e.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
throw e;
}
}
string width = "";
var weeks = Convert.ToInt16(ConfigurationManager.AppSettings[$"{certificate}"]);
if (string.IsNullOrEmpty(timeRemain) || timeRemain.Equals("N/A"))
{
width = "0%";
}
else
{
width = Convert.ToDouble(timeRemain) / weeks * 100 + "%";
}
string[] parameters = { folder, reportedDate.ToString("dd/MM/yyyy"), studentName, studentId, timeRemain, weeks.ToString(), width, studyAvg, studyCompletedLastWeek, htmlTable };
HtmlToImage htmlToImage = new HtmlToImage(850);
string html = string.Format(contentHtml, parameters);
Image img = htmlToImage.ConvertHtmlString(html);
DirectoryInfo directory = new DirectoryInfo(Path.Combine(folderStoragePath, $"{studentClass}"));
if (!directory.Exists)
{
directory.Create();
}
FileStream stream = File.Open(Path.Combine(folderStoragePath, $"{studentClass}/{studentId} - {studentName}.png"), FileMode.Create);
img.Save(stream, ImageFormat.Png);
stream.Close();
}
