//This function will update user modified data protected void btnSubmit_Click(object sender, EventArgs e) { if (!String.IsNullOrWhiteSpace(txtFID.Text)) { lblMessage.Text = ""; using (LicenseEntities le = new LicenseEntities()) { try { int fid = Convert.ToInt32(txtFID.Text); var updataeLicense = le.LicenseDBs.FirstOrDefault(n => n.FID == fid); if (updataeLicense != null) { updataeLicense.Business_Name = txtBusiness_Name.Text; updataeLicense.Business_Phone_Number = txtBusiness_Phone_Number.Text; updataeLicense.City = txtCity.Text; updataeLicense.State = txtState.Text; updataeLicense.Zip = txtZip.Text; updataeLicense.License_Status = txtLicense_Status.Text; updataeLicense.Classification_Code = txtClassficationCode.Text; updataeLicense.Classification_Description = txtClassficationDes.Text; le.Entry(updataeLicense).State = System.Data.EntityState.Modified; le.SaveChanges(); lblMessage.Text = "Update Success!"; } } catch (Exception) { lblMessage.Text = "Update failed!"; } } } }
/** * This function will remvoe all the content of database * */ protected void btnRemove_Click(object sender, EventArgs e) { using (LicenseEntities le = new LicenseEntities()) { //remove records one by one foreach (var entity in le.LicenseDBs) { le.LicenseDBs.Remove(entity); } le.SaveChanges(); } //show information to user lblMessage.Text = "All the data has been removed from database!"; }
/* * The Submit function will pull the data from webpage, put into a LicenseDB object * Then store it inot the database */ protected void btnSubmit_Click(object sender, EventArgs e) { try { //check the fid field is exist or not, empty throw a excetion to stop //the process if (CheckFID(Convert.ToInt32(txtFID.Text))) { throw new Exception(); } lblSuccess.Text = ""; //create a entity framework object using (LicenseEntities le = new LicenseEntities()) { LicenseDB lDB = new LicenseDB(); lDB.Business_Name = txtBusiness_Name.Text; lDB.Business_Phone_Number = txtBusiness_Phone_Number.Text; lDB.City = txtCity.Text; lDB.State = txtState.Text; lDB.Zip = txtZip.Text; lDB.License_Status = txtLicense_Status.Text; lDB.FID = Convert.ToInt32(txtFID.Text); lDB.Classification_Code = txtClassficationCode.Text; lDB.Classification_Description = txtClassficationDes.Text; //add new record to entity framework le.LicenseDBs.Add(lDB); le.SaveChanges(); lblSuccess.Text = "Adding Success!!"; } } catch (Exception) { lblSuccess.Text = "FID is already Existed!!"; } }
/** * This function will take the path of user select csv file, * then create a license list to store csv file information * then store the license into entity framework */ protected void btnSubmit_Click(object sender, EventArgs e) { string path = ""; lblMessage.Text = ""; try { //check user selection of textbox empty or not if (!String.IsNullOrWhiteSpace(fuCSV.FileName)) { path = fuCSV.FileName; //get the full path of user select file path = Convert.ToString(fuCSV.PostedFile.FileName); //print out the full path of file lblMessage.Text = path; //read the file from LicenseCollection lc = new LicenseCollection(path); //create entity frame work LicenseEntities en = new LicenseEntities(); //store licene once a time to the entiry framework foreach (var l in lc) { //check fid existence if (Existed(l.Fid)) { continue; } LicenseDB lDB = new LicenseDB(); lDB.Business_Name = l.Business_Name; lDB.Street_Address = l.Street_Address; lDB.Business_Phone_Number = l.Business_Phone_Number; lDB.City = l.City; lDB.State = l.State; lDB.Zip = l.Zip; lDB.License_Status = l.License_Status; lDB.FID = l.Fid; lDB.Classification_Code = l.ClassficationCode; //this part is from the phase 4 , revese back to orginal if (l.GetType() == typeof(Hotel)) { lDB.Classification_Description = ((Hotel)l).ClassficationDis; } else if (l.GetType() == typeof(Auto)) { lDB.Classification_Description = ((Auto)l).ClassficationDis; } else if (l.GetType() == typeof(Restaurant)) { lDB.Classification_Description = ((Restaurant)l).ClassficationDis; } else if (l.GetType() == typeof(OtherBusiness)) { OtherBusiness newOther = (OtherBusiness)l; lDB.Classification_Description = newOther.ClassficationDis; } //lDB.Classification_Description = l.ClassficationDis; //save data to database en.LicenseDBs.Add(lDB); en.SaveChanges(); } } //show the final information to user lblMessage.Text = "Your data has been update Database!"; }catch (Exception) { lblMessage.Text = "The CSV file format is not right"; } }