CNSA-216-FP/FWA_MAIN/patSearch.aspx.cs

using System;
using System.Web.UI;
using System.Data;
using System.Drawing;
using System.Web.UI.WebControls;

namespace FWA_MAIN
{
    public partial class patSearch : Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {

            if (!IsPostBack)
            {
                
                txtPatID.Text = Convert.ToString(Session["vPatientID"]);
                txtFNAME.Text = Convert.ToString(Session["vFNAME"]);
                txtLNAME.Text = Convert.ToString(Session["vLNAME"]);
                
                btnPatSearch_OnClick(sender,e);

            }
            
        }

        protected void btnNew_OnClick(object sender, EventArgs e)
        {
            
            Response.Redirect("patNew.aspx");
            
        }
        private void BindData()
        {
            
            DataSet ds = new DataSet();

            string patID = Convert.ToString(Session["vPatientID"]);
            string LNAME = Convert.ToString(Session["vLNAME"]);
            string FNAME = Convert.ToString(Session["vFNAME"]);

            txtPatID.Text = patID;
            txtFNAME.Text = FNAME;
            txtLNAME.Text = LNAME;

            // if (textHasValues)
            // {
            ds = PharmacyDataTier.PatientInfoSearch(patID, LNAME, FNAME);
            // }
            
            
            // ds = dt.GetStudents();
            gvPatient.DataSource = ds.Tables[0];

            if (Cache["StudentData"] == null)
            {
                Cache.Add("StudentData", new DataView(ds.Tables[0]),
                    null,System.Web.Caching.Cache.NoAbsoluteExpiration,
                    System.TimeSpan.FromMinutes(10), System.Web.Caching.CacheItemPriority.Default,
                    null);
            }
            gvPatient.DataBind();
            
        }
        protected void btnPatSearch_OnClick(object sender, EventArgs e)
        {
            if (txtPatID.Text.Trim().Length > 0 || txtFNAME.Text.Trim().Length > 0 || txtLNAME.Text.Trim().Length > 0)
            {

                
                try
                {

                    Session["vPatientID"] = txtPatID.Text.Trim();
                    Session["vFNAME"] = txtFNAME.Text.Trim();
                    Session["vLNAME"] = txtLNAME.Text.Trim();

                    Cache.Remove("StudentData");
                    BindData();
                    
                    
                    
                }
                catch (Exception exception)
                {

                    

                }
                
            }
        }

        protected void gvPatient_OnRowDataBound(object sender, GridViewRowEventArgs e)
        {
            if (e.Row.RowType == DataControlRowType.DataRow)
            {
                e.Row.Attributes["onclick"] = Page.ClientScript.GetPostBackClientHyperlink(gvPatient, "Select$" + e.Row.RowIndex);
                e.Row.ToolTip = "Click to select this row.";
            }
        }

        protected void GridView1_SelectedIndexChanged(object sender, EventArgs e)
        {
            BindData();
        }

        protected void gvPatient_OnRowCommand(object sender, GridViewCommandEventArgs e)
        {
            if (e.CommandName == "Select")
            {
                // Determine the index of the selected row
                int index = Convert.ToInt32(e.CommandArgument);

                // Check if the selected row index is the same as the previous selected row index
                if (gvPatient.SelectedIndex == index)
                {
                    // Deselect the row
                    gvPatient.SelectedIndex = -1;
                }
                else
                {
                    // Select the row
                    gvPatient.SelectedIndex = index;
                }

                // Refresh the GridView to update the style
                gvPatient.DataBind();
            }
        }

        protected void btnPatNew_OnClick(object sender, EventArgs e)
        {

            string patientID;
            
            try
            {
                Session["vPatientID"] = txtPatID.Text.Trim();
                Session["vFNAME"] = txtFNAME.Text.Trim();
                Session["vLNAME"] = txtLNAME.Text.Trim();

                    // Use the patientID value as needed
                    try
                    {

                        patientID = PharmacyDataTier.GetNextPatientID();
                        patientID = Crypt.Encrypt(patientID);
                        Response.Redirect("patNew.aspx" + "?" + "ID=" + patientID, false);
                    }
                    catch (Exception exception)
                    {
                    }
                
                
            }
            catch (Exception ex)
            {
                throw new Exception(ex.Message, ex.InnerException);
            }
            
        }

        protected void bntPatEdit_OnClick(object sender, EventArgs e)
        {
            string patientID = "0";
            Int64 mEditedRecord = 0;
            System.Text.StringBuilder sb = new System.Text.StringBuilder();

            try
            {
                Session["vPatientID"] = txtPatID.Text.Trim();
                Session["vFNAME"] = txtFNAME.Text.Trim();
                Session["vLNAME"] = txtLNAME.Text.Trim();


                    try
                    {

                        patientID = Crypt.Encrypt(gvPatient.SelectedRow.Cells[0].Text);
                        Response.Redirect("patEdit.aspx" + "?" + "ID=" + patientID, false);
                    }
                    catch (Exception exception)
                    {
                    }
                    
                    // Use the patientID value as needed

                
                
            }
            catch (Exception ex)
            {
                throw new Exception(ex.Message, ex.InnerException);
            }
        }

        protected void btnPatDelete_OnClick(object sender, EventArgs e)
        {
            try
            {

            PharmacyDataTier.DeletePatient(gvPatient.SelectedRow.Cells[0].Text);
            BindData();
            }
            catch (Exception exception)
            {
              
            }
            
        }
    }
}