/// <summary>
/// function creates a new object of viewCLo form and close the current form
/// </summary>
/// <param name="sender">sender is the object sender that raised the event.</param>
/// <param name="e"> e is the Event Argument of the object and basically contains the event data</param>
private void button2_Click(object sender, EventArgs e)
{
ViewClo vc = new ViewClo();
this.Hide();
vc.Show();
}
/// <summary>
/// function Edit the CLO
/// Function also delete the sleected CLO and Rubrics againast the CLO
/// and Rubriclevel and Assesment component against that Rubric According to user permission
/// </summary>
/// <param name="sender">sender is the object sender that raised the event.</param>
/// <param name="e"> e is the Event Argument of the object and basically contains the event data</param>
private void dataGridView1_CellContentClick(object sender, DataGridViewCellEventArgs e)
{
///checks if e.columnindex is equal to the edit column index
if (e.ColumnIndex == dataGridView1.Columns["Edit"].Index)
{
SqlConnection con = new SqlConnection(connection);
con.Open();
if (con.State == ConnectionState.Open)
{
int ID = Convert.ToInt32(dataGridView1.Rows[e.RowIndex].Cells["Id"].Value);
string name = (dataGridView1.Rows[e.RowIndex].Cells["Name"].Value).ToString();
EditClo frm = new EditClo(ID, name);
this.Hide();
frm.Show();
}
}
///checks if e.columnindex is equal to delete index
if (e.ColumnIndex == dataGridView1.Columns["Delete"].Index)
{
SqlConnection con = new SqlConnection(connection);
con.Open();
if (con.State == ConnectionState.Open)
{
///Confirms from the user
if (MessageBox.Show("Deleting this item will cause other items to delete. Are You Sure you Want to Delete?", "Delete", MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.Yes)
{
//Delete the whole hierarchy
int ID = Convert.ToInt32(dataGridView1.Rows[e.RowIndex].Cells["Id"].Value);
SqlCommand comm = new SqlCommand("SELECT Id FROM dbo.Rubric Where CloId = '" + ID + "' ", con);
SqlDataReader reader = comm.ExecuteReader();
List <string> str = new List <string>();
int i = 0;
while (reader.Read())
{
str.Add(reader.GetValue(i).ToString());
i++;
}
reader.Close();
for (int j = 0; j < str.Count; j++)
{
SqlCommand com = new SqlCommand("SELECT Id FROM dbo.RubricLevel Where RubricId = '" + str[j] + "' ", con);
SqlDataReader reader1 = com.ExecuteReader();
List <string> str1 = new List <string>();
int k = 0;
while (reader1.Read())
{
str1.Add(reader1.GetValue(k).ToString());
k++;
}
reader1.Close();
for (int f = 0; f < str1.Count; f++)
{
string query4 = "DELETE FROM dbo.StudentResult WHERE RubricMeasurementId = '" + str1[f] + "'";
SqlCommand cmd4 = new SqlCommand(query4, con);
cmd4.ExecuteNonQuery();
}
string query2 = "DELETE FROM dbo.RubricLevel WHERE RubricId = '" + str[j] + "'";
SqlCommand cmd3 = new SqlCommand(query2, con);
cmd3.ExecuteNonQuery();
}
for (int j = 0; j < str.Count; j++)
{
string query2 = "DELETE FROM dbo.AssessmentComponent WHERE RubricId = '" + str[j] + "'";
SqlCommand cmd3 = new SqlCommand(query2, con);
cmd3.ExecuteNonQuery();
}
string query1 = "DELETE FROM dbo.Rubric WHERE CloId = '" + ID + "'";
SqlCommand cmd1 = new SqlCommand(query1, con);
cmd1.ExecuteNonQuery();
string query = "DELETE FROM dbo.Clo WHERE Id = '" + ID + "'";
SqlCommand cmd = new SqlCommand(query, con);
cmd.ExecuteNonQuery();
ViewClo frm = new ViewClo();
this.Hide();
frm.Show();
MessageBox.Show("Date Deleted");
}
}
}
}