/// <summary>
/// fetches all course_codes from database if regular student
/// else it fetches all course_codes only for which exam has held
/// </summary>
/// <param name="stype">Regular or non-regular</param>
/// <returns>course_code string collection</returns>
public static List <string> getCourseCodes(StudentType stype)
{
List <String> ccodes = new List <String>();
try
{
List <Row> rows;
if (stype == StudentType.REGULAR)
{
rows = Medatabase.fetchRecords("SELECT course_code FROM course_master");
}
else
{
rows = Medatabase.fetchRecords("SELECT DISTINCT course_code FROM exam_master");
}
foreach (Row row in rows)
{
ccodes.Add((string)row.column["course_code"]);
}
}
catch (databaseException)
{
//Do something
}
catch (Exception ex)
{
//Do something
LogWriter.WriteError("Fetching course code list from database", ex.Message);
}
return(ccodes);
}
public MainWindow()
{
InitializeComponent();
Windows.setWindowChrome(this);
Windows.loginWindow = this;
MouseDown += login_window_MouseDown;
try
{
Medatabase.OpenConnection();
}
catch (databaseException de)
{
MessageBox.Show(de.Message, "Connection Failed", MessageBoxButton.OK, MessageBoxImage.Exclamation);
Environment.Exit(0);
}
//SET APP THEME COLOR BASED ON WINDOWS ACCENT COLOR
Brush LightBrush = (Brush)(new BrushConverter()).ConvertFromString(WindowsTheme.getHexColorFromRegistry());
Brush DarkBrush = (Brush)(new BrushConverter()).ConvertFromString(WindowsTheme.getHexDarkColorFromRegistry());
Application.Current.Resources["ApplicationThemeLight"] = LightBrush;
Application.Current.Resources["ApplicationThemeDark"] = DarkBrush;
//SET SOIS LABLE BACKGROUND
System.Drawing.Color c = WindowsTheme.getColorFromRegistry();
LinearGradientBrush gradient = new LinearGradientBrush();
gradient.StartPoint = new Point(0.5, 0);
gradient.EndPoint = new Point(0.5, 1);
gradient.RelativeTransform = lblBanner.Background.RelativeTransform;
gradient.GradientStops.Add(new GradientStop(Colors.White, 0));
gradient.GradientStops.Add(new GradientStop(Color.FromRgb(c.R, c.G, c.B), 1));
lblBanner.Background = gradient;
}
/// <summary>
/// Call this function to get subject list
/// </summary>
/// <param name="course_code">course code</param>
/// <returns>SubjectCols collection</returns>
public static List <SubjectCols> getSubjectList(string course_code)
{
List <SubjectCols> items = null;
try
{
List <Row> rows = null;
items = new List <SubjectCols>();;
for (int t = 1; t <= Courses.getSemCount(course_code); t++)
{
rows = Medatabase.fetchRecords("SELECT * FROM subject_master WHERE course_code='" + course_code + "' AND semester=" + t);
foreach (Row row in rows)
{
items.Add(new SubjectCols {
subject_code = (string)row.column["sub_code"],
subject_name = (string)row.column["name"],
semNo = (semNo)row.column["semester"],
credits = (int)row.column["credits"]
});
}
}
}
catch (databaseException)
{
//do something
}
catch (Exception ex)
{
//do something
LogWriter.WriteError("While fetching subject list from database", ex.Message);
}
return(items);
}
/// <summary>
/// For filling course data in listview
/// </summary>
/// <returns>CourseCols collection</returns>
public static List <CourseCols> getCourseList()
{
List <CourseCols> items = null;
try
{
List <Row> rows = Medatabase.fetchRecords("SELECT * FROM course_master");
items = new List <CourseCols>();
foreach (Row row in rows)
{
items.Add(new CourseCols
{
c_code = (string)row.column["course_code"],
t_semesters = (int)row.column["total_semesters"],
in_semesters = (int)row.column["in_semesters"]
});
}
}
catch (databaseException)
{
//Do Something
}
catch (Exception ex)
{
//Do Something
LogWriter.WriteError("Fetching course list from database", ex.Message);
}
return(items);
}
/// <summary>
/// Returns the number of subject presents in a given course
/// </summary>
/// <param name="course_code">course code</param>
/// <returns>integer</returns>
public static int getSubjectCount(String course_code)
{
int count = 0;
List <Row> rows = Medatabase.fetchRecords("SELECT COUNT(sub_code) AS scount FROM subject_master WHERE course_code='" + course_code + "'");
if (rows.Count > 0)
{
count = Convert.ToInt16(rows[0].column["scount"]);
}
return(count);
}
/// <summary>
/// This method will return the no. of sems(in) in a particular course
/// </summary>
/// <param name="course_code">course for which sem count is requested</param>
/// <returns>Total sems count</returns>
public static int getInSemCount(string course_code)
{
int scount = 0;
List <Row> rows = Medatabase.fetchRecords("SELECT in_semesters FROM course_master WHERE course_code='" + course_code + "'");
foreach (Row row in rows)
{
scount = (int)row.column["in_semesters"];
}
return(scount);
}
private void cbxAYear_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
if (cbxAYear.SelectedIndex != -1)
{
List <String> months = new List <String>();
foreach (Row row in Medatabase.fetchRecords("SELECT DISTINCT month FROM exam_master WHERE course_code='" + (String)cbxACourse.SelectedItem + "' AND semester=" + Convert.ToInt16(cbxASem.SelectedItem)))
{
months.Add((String)row.column["month"]);
}
cbxAMonth.ItemsSource = months;
}
}
private void cbxASem_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
if (cbxASem.SelectedIndex != -1)
{
List <int> years = new List <int>();
foreach (Row row in Medatabase.fetchRecords("SELECT DISTINCT year FROM exam_master WHERE course_code='" + (String)cbxACourse.SelectedItem + "' AND semester=" + Convert.ToInt16(cbxASem.SelectedItem)))
{
years.Add(Convert.ToInt16(row.column["year"]));
}
cbxAYear.ItemsSource = years;
cbxAYear.Text = "-- YEAR --";
cbxAMonth.ItemsSource = null;
cbxAMonth.Text = "-- MONTH --";
}
}
/// <summary>
/// Returns batch years of a course
/// </summary>
/// <param name="course_code">course code</param>
/// <returns>int collection</returns>
public static List <int> getBatchList(String course_code)
{
List <int> list = new List <int>();
try
{
List <Row> rows = Medatabase.fetchRecords("SELECT DISTINCT year FROM student_details WHERE course_code='" + course_code + "'");
foreach (Row row in rows)
{
list.Add((int)row.column["year"]);
}
}
catch (Exception)
{
//Something went wrong
}
return(list);
}
private void button_Click(object sender, RoutedEventArgs e)
{
try
{
if (txtUsername.GetLineLength(0) == 0 || txtPassword.Password.Length == 0)
{
MessageBox.Show("Please input all the fields!", "WAIT", MessageBoxButton.OK, MessageBoxImage.Stop);
return;
}
string tmp = null;
List <Row> rows = Medatabase.fetchRecords("SELECT password FROM admin_login WHERE username='******'");
foreach (Row row in rows)
{
tmp = (string)row.column["password"];
}
if (string.Compare(tmp, txtPassword.Password) != 0 || tmp == null)
{
MessageBox.Show("Invalid username or password!", "Error", MessageBoxButton.OK, MessageBoxImage.Stop);
return;
}
admin_window obj = new admin_window();
obj.Show();
this.Hide();
}
catch (databaseException de)
{
MessageBox.Show(de.Message, "Error Occured", MessageBoxButton.OK, MessageBoxImage.Error);
}
catch (Exception ex)
{
MessageBox.Show("Something went wrong :(", "Error Occured", MessageBoxButton.OK, MessageBoxImage.Error);
LogWriter.WriteError("Login button clicked", ex.Message);
}
}
/// <summary>
/// Returns student details list
/// </summary>
/// <param name="course_code">Course code</param>
/// <param name="year">Batch or year</param>
/// <returns>Studentcols collection</returns>
public static List <StudentCols> getStudentList(String course_code, int year)
{
List <StudentCols> items = new List <StudentCols>();
try
{
List <Row> rows = Medatabase.fetchRecords("SELECT * FROM student_details WHERE course_code='" + course_code + "' AND year=" + year);
foreach (Row row in rows)
{
items.Add(new StudentCols
{
s_reg_id = (long)row.column["registration_id"],
s_name = (string)row.column["name"],
s_month = (string)row.column["month"]
});
}
}
catch (Exception ex)
{
LogWriter.WriteError("fetching student details", ex.Message);
}
return(items);
}
private void btnEvaluate_Click(object sender, RoutedEventArgs e)
{
bool isAllOk = true;
//validation
String error_message = null;
if (System.IO.File.Exists(txtIMFile.Text) == false)
{
error_message = "Please select internal marksheet file" + Environment.NewLine;
}
if (System.IO.File.Exists(txtEMFile.Text) == false)
{
error_message += "Please select external marksheet file" + Environment.NewLine;
}
if (System.IO.File.Exists(txtCutoffFile.Text) == false)
{
error_message += "Please select cut off file" + Environment.NewLine;
}
if (cbxECourse.SelectedIndex == -1)
{
error_message += "Please select course" + Environment.NewLine;
}
if (cbxESem.SelectedIndex == -1)
{
error_message += "Please select semester" + Environment.NewLine;
}
if (cbxEMonth.SelectedIndex == -1)
{
error_message += "Please select month" + Environment.NewLine;
}
if (cbxEType.SelectedIndex == -1)
{
error_message += "Please select student type" + Environment.NewLine;
}
if (cbxEYear.SelectedIndex == -1)
{
error_message += "Please select year" + Environment.NewLine;
}
if (error_message != null)
{
isAllOk = false;
MessageBox.Show("Please correct the following error(s)!" + Environment.NewLine + Environment.NewLine + error_message, "Invalid inputs", MessageBoxButton.OK, MessageBoxImage.Stop);
}
if (isAllOk) //Call for validation and evaluation
{
//get values from controls
int semester = (int)cbxESem.SelectedItem;
int year = Convert.ToInt16(cbxEYear.SelectedItem);
string course = (String)cbxECourse.SelectedItem;
string month = (cbxEMonth.SelectedItem as ComboBoxItem).Content.ToString(); //As the item is comboboxitem
try
{
List <Row> rows = Medatabase.fetchRecords("SELECT * FROM exam_master WHERE course_code='" + course + "' AND semester=" + semester + " AND year=" + year + " AND month='" + month + "'");
if (cbxEType.SelectedIndex == 0) //check if evaluation has already finished for given course, semester and date
{
if (rows.Count > 0)
{
MessageBox.Show("Evaluation has been finished already for semester " + semester + " of " + course + " on " + month + " " + year, "Stop", MessageBoxButton.OK, MessageBoxImage.Error);
return;
}
}
else //check if evaluation has been done or not for given course, semester and date
{
if (rows.Count == 0)
{
MessageBox.Show("No record of evaluation for semester " + semester + " of " + course + " on " + month + " " + year, "No records of exam for given values", MessageBoxButton.OK, MessageBoxImage.Error);
return;
}
}
}
catch (Exception)
{
MessageBox.Show("Something went wrong!");
return;
}
MessageBox.Show("Your files are going to be validated!", "Evaluator", MessageBoxButton.OK, MessageBoxImage.Information);
tabControl.IsEnabled = false;
this.Cursor = Cursors.Wait;
txtEvalOutput.Clear();
StudentType stype = StudentType.REGULAR;
if (String.Compare("Regular", (cbxEType.SelectedItem as ComboBoxItem).Content.ToString(), true) == 0)
{
stype = StudentType.REGULAR;
}
else if (String.Compare("Failed", (cbxEType.SelectedItem as ComboBoxItem).Content.ToString(), true) == 0)
{
stype = StudentType.FAILURE;
}
else
{
stype = StudentType.ABSENT;
}
(new Evaluator(txtIMFile.Text, txtEMFile.Text, txtCutoffFile.Text)).validateWorksheets(course, semester, year, month, stype);
}
}
private void bgwValidate_DoWork(object sender, DoWorkEventArgs e)
{
//Do the validation here
DateTime begin = DateTime.Now;
try
{
excelApp = new Application();
List <String> scodes = new List <string>();
int rowCount = 0, columnCount = 0, i, j = 1;
Workbook courseWorkbook = excelApp.Workbooks.Open(fileName, 0, true, 5, "", "", true, XlPlatform.xlWindows, "\t", false, false, 0, true, 1, 0);
Worksheet courseWorksheet;
Range courseWorksheetRange;
isValid = true;
tempProcessLog = ln + "Reading worksheet..." + ln + "Total sheets : " + courseWorkbook.Sheets.Count;
foreach (Worksheet cws in courseWorkbook.Sheets)
{
if (!Medatabase.isPresentLike("course_master", "course_code", cws.Name))
{
tempProcessLog += ln + "sheet with name \"" + cws.Name + "\" course code is not present in database";
isValid = false;
invalidRows++;
}
else
{
tempProcessLog += ln + "======== reading sheet " + cws.Name + "========" + ln;
courseWorksheet = cws;
courseWorksheetRange = courseWorksheet.UsedRange;
rowCount = courseWorksheetRange.Rows.Count;
columnCount = courseWorksheetRange.Columns.Count;
tempProcessLog += ln + "Rows " + rowCount + " | Columns " + columnCount + ln;
if (rowCount <= 1)
{
tempProcessLog += ln + "in sheet \"" + cws.Name + "\" There are no records to validate...";
isValid = false;
continue; //Move to next sheet
}
if (columnCount > 5 || columnCount < 5)
{
tempProcessLog += ln + "in sheet \"" + cws.Name + "\" Expecting columns to be 5, " + columnCount + " is present." + ln + "This excelsheet is not meeting the desired format.";
isValid = false;
continue; //Move to next sheet
}
tempProcessLog += ln + "Expecting first row to be column names. " + ln + "reading from 2nd row...";
for (i = 2; i <= rowCount; i++)
{
try
{
tempProcessLog += ln + ">> Sheet [" + cws.Name + "] > Processing Row: " + i + ln;
/** CANT CHECK FOR DUPLICATE AS ELECTIVE LAB CAN HAVE DUPLICATE SUBJECT CODE :( **/
//Check for duplicate subject_code in database
if (Medatabase.isPresent("subject_master", "sub_code", (string)courseWorksheet.Cells[i, 1].Value))
{
tempProcessLog += ln + "duplicate subject_code '" + (string)courseWorksheet.Cells[i, 1].Value + "' already present in database in row " + i;
isValid = false;
invalidRows++;
}
//if not a lab subject
if (String.Compare((string)courseWorksheet.Cells[i, 5].Value, "Lab", true) != 0)
{
//Check for duplicate subject_code in the same excel sheet
if (scodes.IndexOf((string)courseWorksheet.Cells[i, 1].Value) != -1)
{
tempProcessLog += ln + "duplicate subject_code '" + (string)courseWorksheet.Cells[i, 1].Value + "' already present in the same excel sheet in row " + i;
isValid = false;
invalidRows++;
}
scodes.Add((string)courseWorksheet.Cells[i, 1].Value);
}
if (courseWorksheet.Cells[i, 1].Value == null)
{
tempProcessLog += ln + "Empty value given for subject_code in row " + i;
isValid = false;
invalidRows++;
}
if (courseWorksheet.Cells[i, 2].Value == null)
{
tempProcessLog += ln + "Empty value given for subject_name in row " + i;
isValid = false;
invalidRows++;
}
if ((int)courseWorksheet.Cells[i, 3].Value <= 0 || (int)courseWorksheet.Cells[i, 3].Value > Courses.getSemCount(cws.Name))
{
tempProcessLog += ln + "Invalid semester number \"" + (int)courseWorksheet.Cells[i, 3].Value + "\" in row " + i;
isValid = false;
invalidRows++;
}
if ((int)courseWorksheet.Cells[i, 4].Value <= 0)
{
tempProcessLog += ln + "Subject credits cannot be less than or equal to 0 in row " + i;
isValid = false;
invalidRows++;
}
if (courseWorksheet.Cells[i, 5].Value == null)
{
tempProcessLog += ln + "Empty value given for subject type in row " + i;
isValid = false;
invalidRows++;
}
}
catch (Microsoft.CSharp.RuntimeBinder.RuntimeBinderException be)
{
invalidRows++;
isValid = false;
tempProcessLog += ln + "In row [" + i + "] expecting int value, string given!";
LogWriter.WriteError("While validating subject details worksheet", be.Message);
}
//Update output textbox
App.Current.Dispatcher.Invoke(new System.Action(() =>
{
txtOutput.AppendText(tempProcessLog);
txtOutput.ScrollToEnd();
}));
bgwValidate.ReportProgress(Convert.ToInt16(((i * 100) / rowCount)));
tempProcessLog = "";
}
}
bgwValidate.ReportProgress(Convert.ToInt16(((j * 100) / courseWorkbook.Sheets.Count)));
j++;
}
}
catch (System.IO.IOException ioe)
{
tempProcessLog += ln + "ERROR HANDLING FILE :(" + ln + "Please retry";
LogWriter.WriteError("While validating subject details worksheet", ioe.Message);
isValid = false;
return;
}
catch (databaseException)
{
tempProcessLog += ln + "ERROR OCCURED IN DATABASE OPERATION :(" + ln + "Please retry.";
isValid = false;
return;
}
catch (Exception ex)
{
tempProcessLog += ln + "UNEXPECTED ERROR OCCURED :(" + ln + "Please retry.";
LogWriter.WriteError("While validating subject details worksheet", ex.Message);
isValid = false;
return;
}
finally
{
if (invalidRows > 0)
{
tempProcessLog += ln + ln + "There are total " + invalidRows + " errors.";
}
//Update output textbox
tempProcessLog += ln + "Took " + String.Format("{0:0.00}", (DateTime.Now - begin).TotalSeconds) + " seconds";
App.Current.Dispatcher.Invoke(new System.Action(() =>
{
txtOutput.AppendText(tempProcessLog);
txtOutput.ScrollToEnd();
progress.Value = 100;
}));
excelApp.Workbooks.Close();
}
}
private void bgwPush_DoWork(object sender, DoWorkEventArgs e)
{
DateTime begin = DateTime.Now;
try
{
int sheetCount = 0;
int rowCount = 0, columnCount = 0, i;
int credits = 0, sem = 0;
string sCode, sName, sType;
isValid = true;
excelApp = new Application();
Workbook courseWorkbook = excelApp.Workbooks.Open(fileName, 0, true, 5, "", "", true, XlPlatform.xlWindows, "\t", false, false, 0, true, 1, 0);
Range courseWorksheetRange;
sheetCount = courseWorkbook.Sheets.Count;
tempProcessLog = "Database push operation...";
tempProcessLog += ln + "Reading worksheet..." + ln + "Total sheets : " + sheetCount;
foreach (Worksheet cws in courseWorkbook.Sheets)
{
tempProcessLog += ln + ">>> Using Sheet \"" + cws.Name + "\"";
courseWorksheetRange = cws.UsedRange;
rowCount = courseWorksheetRange.Rows.Count;
columnCount = courseWorksheetRange.Columns.Count;
for (i = 2; i <= rowCount; i++)
{
sCode = (string)cws.Cells[i, 1].Value;
sName = (string)cws.Cells[i, 2].Value;
sem = (int)cws.Cells[i, 3].Value;
credits = (int)cws.Cells[i, 4].Value;
sType = (string)cws.Cells[i, 5].Value;
tempProcessLog += ln + "> Processing Row: " + i + ln;
tempProcessLog += ln + "PUSHING > " + sCode + " | " + sName + " | ts " + sem + " | is " + credits;
recordsPushed += Medatabase.ExecuteQuery("INSERT INTO subject_master VALUES('" + cws.Name + "'," + sem + ",'" + sCode + "','" + sName + "'," + credits + ",'" + sType + "')");
//Update output textbox
App.Current.Dispatcher.Invoke(new System.Action(() =>
{
txtOutput.AppendText(tempProcessLog);
txtOutput.ScrollToEnd();
}));
bgwPush.ReportProgress(Convert.ToInt16(((i * 100) / rowCount)));
tempProcessLog = "";
}
}
}
catch (databaseException)
{
tempProcessLog += ln + "ERROR OCCURED IN DATABASE OPERATION :(" + ln + "Please retry.";
isValid = false;
return;
}
catch (System.IO.IOException ioe)
{
tempProcessLog += ln + "ERROR HANDLING FILE :(" + ln + "Please retry";
LogWriter.WriteError("While pushing subject details to database", ioe.Message);
isValid = false;
return;
}
catch (Exception ex)
{
tempProcessLog += ln + "UNEXPECTED ERROR OCCURED :(" + ln + ex.Message + ln + "Please retry.";
LogWriter.WriteError("While pushing subject details to database", ex.Message);
isValid = false;
return;
}
finally
{
//Update output textbox
tempProcessLog += ln + "Took " + String.Format("{0:0.00}", (DateTime.Now - begin).TotalSeconds) + " seconds";
App.Current.Dispatcher.Invoke(new System.Action(() =>
{
txtOutput.AppendText(tempProcessLog);
txtOutput.ScrollToEnd();
progress.Value = 100;
}));
excelApp.Workbooks.Close();
}
}
private void bgwValidate_DoWork(object sender, DoWorkEventArgs e)
{
//Do the validation here
DateTime begin = DateTime.Now;
try
{
const int MAX_SEMS = 8;
int sheetCount = 0;
int rowCount = 0, columnCount = 0, i;
int isem = 0, tsem = 0;
string[] courseCodes;
isValid = true;
excelApp = new Application();
Workbook courseWorkbook = excelApp.Workbooks.Open(fileName, 0, true, 5, "", "", true, XlPlatform.xlWindows, "\t", false, false, 0, true, 1, 0);
Worksheet courseWorksheet = (Worksheet)courseWorkbook.Sheets.get_Item(1);
Range courseWorksheetRange = courseWorksheet.UsedRange;
sheetCount = courseWorkbook.Sheets.Count;
tempProcessLog = ln + "Reading worksheet..." + ln + "Total sheets : " + sheetCount;
tempProcessLog += ln + "Using Sheet1... ";
rowCount = courseWorksheetRange.Rows.Count;
columnCount = courseWorksheetRange.Columns.Count;
courseCodes = new string[rowCount];
tempProcessLog += ln + "Rows " + rowCount + " | Columns " + columnCount + ln;
if (rowCount <= 1)
{
tempProcessLog += ln + "There are no records to validate...";
App.Current.Dispatcher.Invoke(new System.Action(() =>
{
txtOutput.AppendText(tempProcessLog);
txtOutput.ScrollToEnd();
progress.Value = 100;
}));
isValid = false;
return;
}
if (columnCount > 4 || columnCount < 4)
{
tempProcessLog += ln + "Expecting columns to be 4, " + columnCount + " is present." + ln + "This excelsheet is not meeting the desired format.";
App.Current.Dispatcher.Invoke(new System.Action(() =>
{
txtOutput.AppendText(tempProcessLog);
txtOutput.ScrollToEnd();
progress.Value = 100;
}));
isValid = false;
return;
}
tempProcessLog += ln + "Expecting first row to be column names. " + ln + "reading from 2nd row...";
List <String> tmpCourseCodes = new List <string>();
for (i = 2; i <= rowCount; i++)
{
try
{
tempProcessLog += ln + "> Processing Row: " + i + ln;
if (courseWorksheet.Cells[i, 1].Value != null)
{
//Check for duplicate course_code in database
if (Medatabase.isPresentLike("course_master", "course_code", (string)courseWorksheet.Cells[i, 1].Value))
{
tempProcessLog += ln + "duplicate course_code '" + (string)courseWorksheet.Cells[i, 1].Value + "' already present in database...";
isValid = false;
invalidRows++;
}
//Check for duplicate course_code in the same excel sheet
if (tmpCourseCodes.IndexOf((string)courseWorksheet.Cells[i, 1].Value) != -1)
{
tempProcessLog += ln + "duplicate course_code '" + (string)courseWorksheet.Cells[i, 1].Value + "' already present in the same excel sheet...";
isValid = false;
invalidRows++;
}
else //if not duplicate
{
tmpCourseCodes.Add((string)courseWorksheet.Cells[i, 1].Value);
}
}
else
{
tempProcessLog += ln + "empty course_code given...'" + ln;
isValid = false;
invalidRows++;
}
if (courseWorksheet.Cells[i, 2].Value != null)
{
tsem = Convert.ToInt16(courseWorksheet.Cells[i, 2].Value);
if (tsem > MAX_SEMS || tsem < 0)
{
tempProcessLog += ln + (string)courseWorksheet.Cells[i, 1].Value + " > total semesters must be between 0 and " + MAX_SEMS + ", " + tsem + " given";
isValid = false;
invalidRows++;
}
}
else
{
tempProcessLog += ln + "empty value given for total semesters...'" + ln;
isValid = false;
invalidRows++;
}
if (courseWorksheet.Cells[i, 3].Value != null)
{
isem = Convert.ToInt16(courseWorksheet.Cells[i, 3].Value);
if (isem < 1)
{
tempProcessLog += ln + (string)courseWorksheet.Cells[i, 1].Value + " > in semesters must be between 0 and " + MAX_SEMS + ", " + isem + " given";
isValid = false;
invalidRows++;
}
if (isem > tsem)
{
tempProcessLog += ln + (string)courseWorksheet.Cells[i, 1].Value + " > in semesters can't be > than total sems, " + isem + " given";
isValid = false;
invalidRows++;
}
if (isem > MAX_SEMS)
{
tempProcessLog += ln + (string)courseWorksheet.Cells[i, 1].Value + " > max in semesters possible is " + MAX_SEMS + ", " + isem + " given";
isValid = false;
invalidRows++;
}
}
else
{
tempProcessLog += ln + "empty value given for in semesters...'" + ln;
isValid = false;
invalidRows++;
}
if (courseWorksheet.Cells[i, 4].Value != null)
{
if ((int)courseWorksheet.Cells[i, 4].Value < 1)
{
tempProcessLog += ln + "credits must be greater than 0";
isValid = false;
invalidRows++;
}
}
else
{
tempProcessLog += ln + "empty value given for total credits...'" + ln;
isValid = false;
invalidRows++;
}
}
catch (Microsoft.CSharp.RuntimeBinder.RuntimeBinderException be)
{
invalidRows++;
isValid = false;
tempProcessLog += ln + "In row [" + i + "] expecting numeric value, string given!";
LogWriter.WriteError("During course excel sheet validation", be.Message);
}
//Update output textbox
App.Current.Dispatcher.Invoke(new System.Action(() =>
{
txtOutput.AppendText(tempProcessLog);
txtOutput.ScrollToEnd();
}));
bgwValidate.ReportProgress(Convert.ToInt16(((i * 100) / rowCount)));
tempProcessLog = "";
}
}
catch (System.IO.IOException ioe)
{
tempProcessLog += ln + "ERROR HANDLING FILE :(" + ln + "Please retry";
LogWriter.WriteError("During course excel sheet validation", ioe.Message);
isValid = false;
return;
}
catch (databaseException)
{
tempProcessLog += ln + "ERROR OCCURED IN DATABASE OPERATION :(" + ln + "Please retry.";
isValid = false;
return;
}
catch (Exception ex)
{
tempProcessLog += ln + "UNEXPECTED ERROR OCCURED :(" + ln + "Please retry.";
LogWriter.WriteError("During course excel sheet validation", ex.Message);
isValid = false;
return;
}
finally
{
if (invalidRows > 0)
{
tempProcessLog += ln + "There are total " + invalidRows + " errors.";
tempProcessLog += ln + "Took " + String.Format("{0:0.00}", (DateTime.Now - begin).TotalSeconds) + " seconds";
App.Current.Dispatcher.Invoke(new System.Action(() =>
{
txtOutput.AppendText(tempProcessLog);
txtOutput.ScrollToEnd();
progress.Value = 100;
}));
}
excelApp.Workbooks.Close();
}
}
