protected void Page_Load(object sender, EventArgs e)
{
// Declare and instantiate the AppointmentRetriever.cs class to get the linq queries inside
apps = new LinqDataManipulator();
try
{
notCheckedInAppointments = apps.GetNotCheckedInAppointments();
checkedInAppointments = apps.GetCheckedInAppointments();
// Make all appointments in the Database Todays date to test the webapp
apps.MakeAllAppointmentsTodaysDate();
// Make the appointments IQueryable object
// the GridView's DataSource and then bind it.
AppointmentsGridView.DataSource = notCheckedInAppointments;
CheckedInGridView.DataSource = checkedInAppointments;
AppointmentsGridView.DataBind();
CheckedInGridView.DataBind();
}
catch (Exception)
{
throw;
}
}
/**
* This method will now allow me to vary what the gridview will show depending on some SQL command
* I put an optional parameter SqlParam parameters so that I can specify what type of parameter might be in the SQL command string
* I also put an optional indefinite parameters params string[] parameterValues so that I can send in values for parameters
* The order of those parameter values should match the switch-case statements below
*/
private void BindAppointments(string sqlCommandString = defaultSqlCommand, SqlParam parameters = SqlParam.NONE, params string[] parameterValues)
{
DataTable appointmentTable = new DataTable("Appointments");
using (SqlConnection sqlConnection = new SqlConnection(GetConnectionString()))
{
try
{
//sqlConnection.Open();
SqlCommand sqlCommand = new SqlCommand(sqlCommandString, sqlConnection);
SqlDataAdapter gridViewAdapter = new SqlDataAdapter(sqlCommandString, sqlCommand.Connection);
DataSet dataSet = new DataSet();
if (sqlCommand.Parameters.Count > 0)
{
switch (parameters)
{
case SqlParam.ADVISORID:
sqlCommand.Parameters.Add(new SqlParameter("@AdvisorID", parameterValues[0]));
break;
case SqlParam.STUDENTNAME:
sqlCommand.Parameters.Add(new SqlParameter("@StudentName", parameterValues[0]));
break;
}
}
gridViewAdapter.SelectCommand = sqlCommand;
sqlCommand.Connection.Open();
gridViewAdapter.Fill(dataSet);
if (appointmentTable.Rows.Count > 0)
{
AppointmentsGridView.DataSource = appointmentTable;
AppointmentsGridView.DataBind();
DebugTextBox.Text = "Success! " + appointmentTable.Rows.Count.ToString();
//Console.WriteLine();
//Console.Write("Number of Rows in Table: {0}", appointmentTable.Rows.Count);
}
else
{
DebugTextBox.Text = "Failed: " + appointmentTable.Rows.Count.ToString();
//Console.WriteLine();
//Console.Write("Number of Rows in Table: {0}", appointmentTable.Rows.Count);
}
} catch (SqlException exception)
{
throw new Exception(exception.Message);
}
finally
{
sqlConnection.Close();
}
}
LoadAppointmentsToWeek();
}
