using System; using System.Configuration; using System.Data; using System.Windows.Forms; using System.Data.SqlClient; using System.Runtime.Versioning; namespace Louis__Pharmacy_CNSA212_FP { public class PharmacyDataTier { static String connString = ConfigurationManager.ConnectionStrings["ConnString"].ConnectionString; static SqlConnection myConn = new SqlConnection(connString); static System.Data.SqlClient.SqlCommand cmdString = new System.Data.SqlClient.SqlCommand(); public static void UpdatePatient( string Patient_id, string FirstName, string LastName, string MiddleIntials, int lbs, int Height_feet, int Height_inches, DateTime DOB, string Gender, string City, Int16 Zip, string UsState, string PhoneNumber) { try { myConn.Open(); cmdString.Parameters.Clear(); cmdString.Connection = myConn; cmdString.CommandType = CommandType.StoredProcedure; cmdString.CommandTimeout = 1500; cmdString.CommandText = "UpdatePatient"; cmdString.Parameters.Add("@Patient_id", SqlDbType.VarChar, 8).Value = Patient_id; cmdString.Parameters.Add("@FirstName", SqlDbType.VarChar, 30).Value = FirstName; cmdString.Parameters.Add("@LastName", SqlDbType.VarChar, 30).Value = LastName; cmdString.Parameters.Add("@MiddleIntials", SqlDbType.VarChar).Value = MiddleIntials; cmdString.Parameters.Add("@lbs", SqlDbType.Int).Value = lbs; cmdString.Parameters.Add("@Height_feet", SqlDbType.Int).Value = Height_feet; cmdString.Parameters.Add("@Height_inches", SqlDbType.Int).Value = Height_inches; cmdString.Parameters.Add("@DOB", SqlDbType.DateTime).Value = DOB; cmdString.Parameters.Add("@Gender", SqlDbType.Char).Value = Gender; cmdString.Parameters.Add("@City", SqlDbType.VarChar, 30).Value = City; cmdString.Parameters.Add("@Zip", SqlDbType.SmallInt).Value = Zip; cmdString.Parameters.Add("@UsState", SqlDbType.Char, 2).Value = UsState; cmdString.Parameters.Add("@PhoneNumber", SqlDbType.Char,14).Value = PhoneNumber; cmdString.ExecuteNonQuery(); } catch (Exception ex) { throw new ArgumentException(ex.Message); } finally { myConn.Close(); } } public static void CreatePatient( string Patient_id, string FirstName, string LastName, string MiddleIntials, int lbs, int Height_feet, int Height_inches, DateTime DOB, string Gender, string City, Int16 Zip, string UsState, string PhoneNumber) { try { myConn.Open(); cmdString.Parameters.Clear(); cmdString.Connection = myConn; cmdString.CommandType = CommandType.StoredProcedure; cmdString.CommandTimeout = 1500; cmdString.CommandText = "CreatePatient"; cmdString.Parameters.Add("@Patient_id", SqlDbType.VarChar, 8).Value = Patient_id; cmdString.Parameters.Add("@FirstName", SqlDbType.VarChar, 30).Value = FirstName; cmdString.Parameters.Add("@LastName", SqlDbType.VarChar, 30).Value = LastName; cmdString.Parameters.Add("@MiddleIntials", SqlDbType.VarChar).Value = MiddleIntials; cmdString.Parameters.Add("@lbs", SqlDbType.Int).Value = lbs; cmdString.Parameters.Add("@Height_feet", SqlDbType.Int).Value = Height_feet; cmdString.Parameters.Add("@Height_inches", SqlDbType.Int).Value = Height_inches; cmdString.Parameters.Add("@DOB", SqlDbType.DateTime).Value = DOB; cmdString.Parameters.Add("@Gender", SqlDbType.Char).Value = Gender; cmdString.Parameters.Add("@City", SqlDbType.VarChar, 30).Value = City; cmdString.Parameters.Add("@Zip", SqlDbType.SmallInt).Value = Zip; cmdString.Parameters.Add("@UsState", SqlDbType.Char, 2).Value = UsState; cmdString.Parameters.Add("@PhoneNumber", SqlDbType.Char,14).Value = PhoneNumber; cmdString.ExecuteNonQuery(); } catch (Exception ex) { throw new ArgumentException(ex.Message); } finally { myConn.Close(); } } public static void CreatePhysician( string Physician_id, string FirstName, string LastName, string MiddleInit, DateTime DOB, string Gender, string City, Int16 Zip, string UsState, string PhoneNumber, string Speciality) { try { myConn.Open(); cmdString.Parameters.Clear(); cmdString.Connection = myConn; cmdString.CommandType = CommandType.StoredProcedure; cmdString.CommandTimeout = 1500; cmdString.CommandText = "CreatePhysician"; cmdString.Parameters.Add("@Physician_id", SqlDbType.VarChar, 8).Value = Physician_id; cmdString.Parameters.Add("@FirstName", SqlDbType.VarChar, 30).Value = FirstName; cmdString.Parameters.Add("@LastName", SqlDbType.VarChar, 30).Value = LastName; cmdString.Parameters.Add("@MiddleIntials", SqlDbType.VarChar).Value = MiddleInit; cmdString.Parameters.Add("@DOB", SqlDbType.DateTime).Value = DOB; cmdString.Parameters.Add("@Gender", SqlDbType.Char).Value = Gender; cmdString.Parameters.Add("@City", SqlDbType.VarChar, 30).Value = City; cmdString.Parameters.Add("@Zip", SqlDbType.SmallInt).Value = Zip; cmdString.Parameters.Add("@UsState", SqlDbType.VarChar, 2).Value = UsState; cmdString.Parameters.Add("@PhoneNumber", SqlDbType.VarChar, 14).Value = PhoneNumber; cmdString.Parameters.Add("@Speciality", SqlDbType.VarChar, 100).Value = Speciality; cmdString.ExecuteNonQuery(); } catch (Exception ex) { throw new ArgumentException(ex.Message); } finally { myConn.Close(); } } public static void UpdatePhysician( string Physician_id, string FirstName, string LastName, string MiddleInit, DateTime DOB, string Gender, string City, Int16 Zip, string UsState, string PhoneNumber, string Speciality) { try { myConn.Open(); cmdString.Parameters.Clear(); cmdString.Connection = myConn; cmdString.CommandType = CommandType.StoredProcedure; cmdString.CommandTimeout = 1500; cmdString.CommandText = "UpdatePhysician"; cmdString.Parameters.Add("@Physician_id", SqlDbType.VarChar, 8).Value = Physician_id; cmdString.Parameters.Add("@FirstName", SqlDbType.VarChar, 30).Value = FirstName; cmdString.Parameters.Add("@LastName", SqlDbType.VarChar, 30).Value = LastName; cmdString.Parameters.Add("@MiddleIntials", SqlDbType.VarChar).Value = MiddleInit; cmdString.Parameters.Add("@DOB", SqlDbType.DateTime).Value = DOB; cmdString.Parameters.Add("@Gender", SqlDbType.Char).Value = Gender; cmdString.Parameters.Add("@City", SqlDbType.VarChar, 30).Value = City; cmdString.Parameters.Add("@Zip", SqlDbType.SmallInt).Value = Zip; cmdString.Parameters.Add("@UsState", SqlDbType.VarChar, 2).Value = UsState; cmdString.Parameters.Add("@PhoneNumber", SqlDbType.VarChar, 14).Value = PhoneNumber; cmdString.Parameters.Add("@Speciality", SqlDbType.VarChar, 100).Value = Speciality; cmdString.ExecuteNonQuery(); } catch (Exception ex) { throw new ArgumentException(ex.Message); } finally { myConn.Close(); } } public static void UpdateMedication( string Medication_id, string MedicationName, string IntakeMethod, string Frequency, string Dosage, string Purpose, string RxNum) { try { myConn.Open(); cmdString.Parameters.Clear(); cmdString.Connection = myConn; cmdString.CommandType = CommandType.StoredProcedure; cmdString.CommandTimeout = 1500; cmdString.CommandText = "UpdateMedication"; cmdString.Parameters.Add("@Medication_id", SqlDbType.VarChar, 7).Value = Medication_id; cmdString.Parameters.Add("@MedicationName", SqlDbType.VarChar,60).Value = MedicationName; cmdString.Parameters.Add("@IntakeMethod", SqlDbType.VarChar,30).Value =IntakeMethod ; cmdString.Parameters.Add("@Frequency", SqlDbType.VarChar,30).Value =Frequency ; cmdString.Parameters.Add("@Dosage", SqlDbType.VarChar,30).Value = Dosage; cmdString.Parameters.Add("@Purpose", SqlDbType.VarChar,100).Value = Purpose; cmdString.Parameters.Add("@RxNum", SqlDbType.VarChar,30).Value = RxNum; cmdString.ExecuteNonQuery(); } catch (Exception ex) { throw new ArgumentException(ex.Message); } finally { myConn.Close(); } } public static void CreateMedication( string Medication_id, string MedicationName, string IntakeMethod, string Frequency, string Dosage, string Purpose, string RxNum) { try { myConn.Open(); cmdString.Parameters.Clear(); cmdString.Connection = myConn; cmdString.CommandType = CommandType.StoredProcedure; cmdString.CommandTimeout = 1500; cmdString.CommandText = "CreateMedication"; cmdString.Parameters.Add("@Medication_id", SqlDbType.VarChar, 7).Value = Medication_id; cmdString.Parameters.Add("@MedicationName", SqlDbType.VarChar,60).Value = MedicationName; cmdString.Parameters.Add("@IntakeMethod", SqlDbType.VarChar,30).Value =IntakeMethod ; cmdString.Parameters.Add("@Frequency", SqlDbType.VarChar,30).Value =Frequency ; cmdString.Parameters.Add("@Dosage", SqlDbType.VarChar,30).Value = Dosage; cmdString.Parameters.Add("@Purpose", SqlDbType.VarChar,100).Value = Purpose; cmdString.Parameters.Add("@RxNum", SqlDbType.VarChar,30).Value = RxNum; cmdString.ExecuteNonQuery(); } catch (Exception ex) { throw new ArgumentException(ex.Message); } finally { myConn.Close(); } } public static void DeletePatient(string Patient_id) { try { // open connection myConn.Open(); //clear any parameters cmdString.Parameters.Clear(); // command cmdString.Connection = myConn; cmdString.CommandType = CommandType.StoredProcedure; cmdString.CommandTimeout = 1500; cmdString.CommandText = "DeletePatient"; // Define input parameter cmdString.Parameters.Add("@Patient_id", SqlDbType.VarChar, 8).Value = Patient_id; cmdString.ExecuteNonQuery(); } catch (Exception ex) { throw new ArgumentException(ex.Message); } finally { myConn.Close(); } } public static void DeletePhysician(string Physician_id) { try { // open connection myConn.Open(); //clear any parameters cmdString.Parameters.Clear(); // command cmdString.Connection = myConn; cmdString.CommandType = CommandType.StoredProcedure; cmdString.CommandTimeout = 1500; cmdString.CommandText = "DeletePhysician"; // Define input parameter cmdString.Parameters.Add("@Physician_id", SqlDbType.VarChar, 8).Value = Physician_id; cmdString.ExecuteNonQuery(); } catch (Exception ex) { throw new ArgumentException(ex.Message); } finally { myConn.Close(); } } public static void DeleteMedication(string medID) { try { // open connection myConn.Open(); //clear any parameters cmdString.Parameters.Clear(); // command cmdString.Connection = myConn; cmdString.CommandType = CommandType.StoredProcedure; cmdString.CommandTimeout = 1500; cmdString.CommandText = "DeleteMedication"; // Define input parameter cmdString.Parameters.Add("@MedID", SqlDbType.VarChar, 7).Value = medID; cmdString.ExecuteNonQuery(); } catch (Exception ex) { throw new ArgumentException(ex.Message); } finally { myConn.Close(); } } public static DataSet PatientInfoSearch(string id, string lname, string fname) { try { // open connection myConn.Open(); //clear any parameters cmdString.Parameters.Clear(); // command cmdString.Connection = myConn; cmdString.CommandType = CommandType.StoredProcedure; cmdString.CommandTimeout = 1500; cmdString.CommandText = "SearchPatients"; // Define input parameter cmdString.Parameters.Add("@ID", SqlDbType.VarChar, 8).Value = id; cmdString.Parameters.Add("@lname", SqlDbType.VarChar, 30).Value = lname; cmdString.Parameters.Add("@fname", SqlDbType.VarChar, 30).Value = fname; // adapter and dataset SqlDataAdapter aAdapter = new SqlDataAdapter(); aAdapter.SelectCommand = cmdString; DataSet aDataSet = new DataSet(); // fill adapter aAdapter.Fill(aDataSet); // return dataSet return aDataSet; } catch (Exception ex) { throw new ArgumentException(ex.Message); } finally { myConn.Close(); } } public static DataSet PatientInfoSearch(string id) { try { // open connection myConn.Open(); //clear any parameters cmdString.Parameters.Clear(); // command cmdString.Connection = myConn; cmdString.CommandType = CommandType.StoredProcedure; cmdString.CommandTimeout = 1500; cmdString.CommandText = "SearchPatients"; // Define input parameter cmdString.Parameters.Add("@ID", SqlDbType.VarChar, 8).Value = id; cmdString.Parameters.Add("@lname", SqlDbType.VarChar, 30).Value = ""; cmdString.Parameters.Add("@fname", SqlDbType.VarChar, 30).Value = ""; // adapter and dataset SqlDataAdapter aAdapter = new SqlDataAdapter(); aAdapter.SelectCommand = cmdString; DataSet aDataSet = new DataSet(); // fill adapter aAdapter.Fill(aDataSet); // return dataSet return aDataSet; } catch (Exception ex) { throw new ArgumentException(ex.Message); } finally { myConn.Close(); } } public static DataSet PrescriptionInfoSearch(string rxID, string patientID) { try { // open connection myConn.Open(); //clear any parameters cmdString.Parameters.Clear(); // command cmdString.Connection = myConn; cmdString.CommandType = CommandType.StoredProcedure; cmdString.CommandTimeout = 1500; cmdString.CommandText = "PerscriptionInfoSearch"; // Define input parameter cmdString.Parameters.Add("@rxID", SqlDbType.VarChar, 11).Value = rxID; cmdString.Parameters.Add("@patientID", SqlDbType.VarChar, 8).Value = patientID; // adapter and dataset SqlDataAdapter aAdapter = new SqlDataAdapter(); aAdapter.SelectCommand = cmdString; DataSet aDataSet = new DataSet(); // fill adapter aAdapter.Fill(aDataSet); // return dataSet return aDataSet; } catch (Exception ex) { throw new ArgumentException(ex.Message); } finally { myConn.Close(); } } public static DataSet PhysicianInfoSearch(string fname,string lname, string phyID) { try { // open connection myConn.Open(); //clear any parameters cmdString.Parameters.Clear(); // command cmdString.Connection = myConn; cmdString.CommandType = CommandType.StoredProcedure; cmdString.CommandTimeout = 1500; cmdString.CommandText = "PhysicianInfoSearch"; // Define input parameter cmdString.Parameters.Add("@fname", SqlDbType.VarChar, 11).Value = fname; cmdString.Parameters.Add("@lname", SqlDbType.VarChar, 8).Value = lname; cmdString.Parameters.Add("@phyID", SqlDbType.VarChar, 8).Value = phyID; // adapter and dataset SqlDataAdapter aAdapter = new SqlDataAdapter(); aAdapter.SelectCommand = cmdString; DataSet aDataSet = new DataSet(); // fill adapter aAdapter.Fill(aDataSet); // return dataSet return aDataSet; } catch (Exception ex) { throw new ArgumentException(ex.Message); } finally { myConn.Close(); } } public static DataSet PhysicianInfoSearch(string phyID) { try { // open connection myConn.Open(); //clear any parameters cmdString.Parameters.Clear(); // command cmdString.Connection = myConn; cmdString.CommandType = CommandType.StoredProcedure; cmdString.CommandTimeout = 1500; cmdString.CommandText = "PhysicianInfoSearch"; // Define input parameter cmdString.Parameters.Add("@fname", SqlDbType.VarChar, 11).Value = ""; cmdString.Parameters.Add("@lname", SqlDbType.VarChar, 8).Value = ""; cmdString.Parameters.Add("@phyID", SqlDbType.VarChar, 8).Value = phyID; // adapter and dataset SqlDataAdapter aAdapter = new SqlDataAdapter(); aAdapter.SelectCommand = cmdString; DataSet aDataSet = new DataSet(); // fill adapter aAdapter.Fill(aDataSet); // return dataSet return aDataSet; } catch (Exception ex) { throw new ArgumentException(ex.Message); } finally { myConn.Close(); } } public static DataSet MedicationInfoSearch(string medID, string medicationName) { try { // open connection myConn.Open(); //clear any parameters cmdString.Parameters.Clear(); // command cmdString.Connection = myConn; cmdString.CommandType = CommandType.StoredProcedure; cmdString.CommandTimeout = 1500; cmdString.CommandText = "MedicationInfoSearch"; // Define input parameter cmdString.Parameters.Add("@Medication_id", SqlDbType.VarChar, 7).Value = medID; cmdString.Parameters.Add("@MedicationName", SqlDbType.VarChar, 60).Value = medicationName; // adapter and dataset SqlDataAdapter aAdapter = new SqlDataAdapter(); aAdapter.SelectCommand = cmdString; DataSet aDataSet = new DataSet(); // fill adapter aAdapter.Fill(aDataSet); // return dataSet return aDataSet; } catch (Exception ex) { throw new ArgumentException(ex.Message); } finally { myConn.Close(); } } public static DataSet MedicationInfoSearch(string medID) { try { // open connection myConn.Open(); //clear any parameters cmdString.Parameters.Clear(); // command cmdString.Connection = myConn; cmdString.CommandType = CommandType.StoredProcedure; cmdString.CommandTimeout = 1500; cmdString.CommandText = "MedicationInfoSearch"; // Define input parameter cmdString.Parameters.Add("@Medication_id", SqlDbType.VarChar, 7).Value = medID; cmdString.Parameters.Add("@MedicationName", SqlDbType.VarChar, 60).Value = ""; // adapter and dataset SqlDataAdapter aAdapter = new SqlDataAdapter(); aAdapter.SelectCommand = cmdString; DataSet aDataSet = new DataSet(); // fill adapter aAdapter.Fill(aDataSet); // return dataSet return aDataSet; } catch (Exception ex) { throw new ArgumentException(ex.Message); } finally { myConn.Close(); } } public static double GetNextPatientID() { try { // open connection myConn.Open(); //clear any parameters cmdString.Parameters.Clear(); // command cmdString.Connection = myConn; cmdString.CommandType = CommandType.StoredProcedure; cmdString.CommandTimeout = 1500; cmdString.CommandText = "GetNextPatientID"; // Define input parameter cmdString.Parameters.Add("@TableName", SqlDbType.NVarChar, 128).Value = "PATIENT"; object result = cmdString.ExecuteScalar(); double value = 0; try { value = Convert.ToDouble(result); } catch(Exception e) { MessageBox.Show("Error Getting next Patient ID","ERROR",MessageBoxButtons.OK); } // return dataSet return value; } catch (Exception ex) { throw new ArgumentException(ex.Message); } finally { myConn.Close(); } } public static double GetNextPhysicianID() { try { // open connection myConn.Open(); //clear any parameters cmdString.Parameters.Clear(); // command cmdString.Connection = myConn; cmdString.CommandType = CommandType.StoredProcedure; cmdString.CommandTimeout = 1500; cmdString.CommandText = "GetNextPhysicianID"; object result = cmdString.ExecuteScalar(); double value = 0; try { value = Convert.ToDouble(result); } catch(Exception e) { MessageBox.Show("Error Getting next Patient ID","ERROR",MessageBoxButtons.OK); } // return dataSet return value; } catch (Exception ex) { throw new ArgumentException(ex.Message); } finally { myConn.Close(); } } public static double GetNextMedicationID() { try { // open connection myConn.Open(); //clear any parameters cmdString.Parameters.Clear(); // command cmdString.Connection = myConn; cmdString.CommandType = CommandType.StoredProcedure; cmdString.CommandTimeout = 1500; cmdString.CommandText = "GetNextMedicationID"; object result = cmdString.ExecuteScalar(); double value = 0; try { value = Convert.ToDouble(result); } catch(Exception e) { MessageBox.Show("Error Getting next Patient ID","ERROR",MessageBoxButtons.OK); } // return dataSet return value; } catch (Exception ex) { throw new ArgumentException(ex.Message); } finally { myConn.Close(); } } public static DataSet RefillSearch(DateTime date, string id) { try { // open connection myConn.Open(); //clear any parameters cmdString.Parameters.Clear(); // command cmdString.Connection = myConn; cmdString.CommandType = CommandType.StoredProcedure; cmdString.CommandTimeout = 1500; cmdString.CommandText = "SearchRefills"; // Define input parameter cmdString.Parameters.Add("@date", SqlDbType.Date).Value = date; cmdString.Parameters.Add("@ID", SqlDbType.VarChar, 10).Value = id; // adapter and dataset SqlDataAdapter aAdapter = new SqlDataAdapter(); aAdapter.SelectCommand = cmdString; DataSet aDataSet = new DataSet(); // fill adapter aAdapter.Fill(aDataSet); // return dataSet return aDataSet; } catch (Exception ex) { throw new ArgumentException(ex.Message); } finally { myConn.Close(); } } public static DataSet RefillSearch(string id) { try { // open connection myConn.Open(); //clear any parameters cmdString.Parameters.Clear(); // command cmdString.Connection = myConn; cmdString.CommandType = CommandType.StoredProcedure; cmdString.CommandTimeout = 1500; cmdString.CommandText = "SearchRefills2"; // Define input parameter cmdString.Parameters.Add("@ID", SqlDbType.VarChar, 10).Value = id; //cmdString.Parameters.Add("@date", SqlDbType.Date).Value = ""; // adapter and dataset SqlDataAdapter aAdapter = new SqlDataAdapter(); aAdapter.SelectCommand = cmdString; DataSet aDataSet = new DataSet(); // fill adapter aAdapter.Fill(aDataSet); // return dataSet return aDataSet; } catch (Exception ex) { throw new ArgumentException(ex.Message); } finally { myConn.Close(); } } public static double GetNextRefillID() { try { // open connection myConn.Open(); //clear any parameters cmdString.Parameters.Clear(); // command cmdString.Connection = myConn; cmdString.CommandType = CommandType.StoredProcedure; cmdString.CommandTimeout = 1500; cmdString.CommandText = "GetNextRefillID"; // Define input parameter cmdString.Parameters.Add("@TableName", SqlDbType.NVarChar, 128).Value = "Refill"; object result = cmdString.ExecuteScalar(); double value = 0; try { value = Convert.ToDouble(result); } catch (Exception e) { MessageBox.Show("Error Getting next Refill ID", "ERROR", MessageBoxButtons.OK); } // return dataSet return value; } catch (Exception ex) { throw new ArgumentException(ex.Message); } finally { myConn.Close(); } } public static void AddRefill(string refillID, DateTime date, string patientID, string medicationID, string rxNum) { try { myConn.Open(); cmdString.Parameters.Clear(); cmdString.Connection = myConn; cmdString.CommandType = CommandType.StoredProcedure; cmdString.CommandTimeout = 1500; cmdString.CommandText = "AddNewRefill"; cmdString.Parameters.Add("@refillID", SqlDbType.Char, 10).Value = refillID; cmdString.Parameters.Add("@date", SqlDbType.Date).Value = date; cmdString.Parameters.Add("@patientID", SqlDbType.VarChar, 8).Value = patientID; cmdString.Parameters.Add("@medicationID", SqlDbType.VarChar, 7).Value = medicationID; cmdString.Parameters.Add("@rxNum", SqlDbType.VarChar, 11).Value = rxNum; cmdString.ExecuteNonQuery(); } catch (Exception ex) { throw new ArgumentException(ex.Message); } finally { myConn.Close(); } } public static void UpdateRefill(string refillID, DateTime date, string patientID, string medicationID, string rxNum) { try { myConn.Open(); cmdString.Parameters.Clear(); cmdString.Connection = myConn; cmdString.CommandType = CommandType.StoredProcedure; cmdString.CommandTimeout = 1500; cmdString.CommandText = "UpdateRefills"; cmdString.Parameters.Add("@refillID", SqlDbType.Char, 10).Value = refillID; cmdString.Parameters.Add("@date", SqlDbType.Date).Value = date; cmdString.Parameters.Add("@patientID", SqlDbType.VarChar, 8).Value = patientID; cmdString.Parameters.Add("@medicationID", SqlDbType.VarChar, 7).Value = medicationID; cmdString.Parameters.Add("@rxNum", SqlDbType.VarChar, 11).Value = rxNum; cmdString.ExecuteNonQuery(); } catch (Exception ex) { throw new ArgumentException(ex.Message); } finally { myConn.Close(); } } public static void DeleteRefill(string Refill_id) { try { // open connection myConn.Open(); //clear any parameters cmdString.Parameters.Clear(); // command cmdString.Connection = myConn; cmdString.CommandType = CommandType.StoredProcedure; cmdString.CommandTimeout = 1500; cmdString.CommandText = "DeleteRefill"; // Define input parameter cmdString.Parameters.Add("@Refill_id", SqlDbType.Char, 10).Value = Refill_id; cmdString.ExecuteNonQuery(); } catch (Exception ex) { throw new ArgumentException(ex.Message); } finally { myConn.Close(); } } } }