updated datatier

Louis'-Pharmacy_CNSA212-FP/Louis'-Pharmacy_CNSA212-FP.csproj

@@ -34,6 +34,7 @@
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="System" />
+    <Reference Include="System.Configuration" />
     <Reference Include="System.Core" />
     <Reference Include="System.Xml.Linq" />
     <Reference Include="System.Data.DataSetExtensions" />

Louis'-Pharmacy_CNSA212-FP/PharmacyDataTier.cs

@@ -1,7 +1,94 @@
-namespace Louis__Pharmacy_CNSA212_FP
+using System;
+using System.Configuration;
+using System.Data;
+using System.Windows.Forms;
+using System.Data.SqlClient;
+
+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 DataSet GetStudents(string studid, string lname, DateTime dob)
+        {
+            try
+            {
+                // open connection
+                myConn.Open();
+                //clear any parameters
+                cmdString.Parameters.Clear();
+                // command
+                cmdString.Connection = myConn;
+                cmdString.CommandType = CommandType.StoredProcedure;
+                cmdString.CommandTimeout = 1500;
+                cmdString.CommandText = "SearchStudent";
+                // Define input parameter
+                cmdString.Parameters.Add("@studentid", SqlDbType.VarChar, 6).Value = studid;
+                cmdString.Parameters.Add("@lname", SqlDbType.VarChar, 25).Value = lname;
+                cmdString.Parameters.Add("@dob", SqlDbType.Date).Value = dob;
+                // 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 DataSet GetStudents(string StuID)
+        {
+            
+            
+                try
+                {
+                    // open connection
+                    myConn.Open();
+                    //clear any parameters
+                    cmdString.Parameters.Clear();
+                    // command
+                    cmdString.Connection = myConn;
+                    cmdString.CommandType = CommandType.StoredProcedure;
+                    cmdString.CommandTimeout = 1500;
+                    cmdString.CommandText = "GetByStudentIDS";
+                    // Define input parameter
+                    cmdString.Parameters.Add("@studentid", SqlDbType.VarChar, 6).Value = StuID;
+                    // 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();
+                }
+        }
+    
     }
 }