Create a webshop with Asp.Net – Part 5

if (!string.IsNullOrWhiteSpace(Request.QueryString["id"])) { string customerId = "-1"; int id = Convert.ToInt32(Request.QueryString["id"]); int amount = Convert.ToInt32(ddlAmount.SelectedValue); Purchase purchase = new Purchase { Amount = amount, CustomerID = customerId, Date = DateTime.Now, IsInCart = true, ProductID = id }; PurchaseModel model = new PurchaseModel(); lblResult.Text = model.InsertPurchase(purchase); } }Error:can not implicitly convert type 'string' to 'int'Help pleaseeee

Having an issue with #ContentPlaceholder1_pnlProducts style. Its not changing anything on my Index.aspx panel. The pictures an info are there. Huge picture and not change to font. Im using visual studio 2015.

when adding to cart i get an error message An error occurred while updating the entries. See the inner exception for details. —> System.Data.Entity.Core.UpdateException: An error occurred while updating the entries. See the inner exception for details. —> System.Data.SqlClient.SqlException: The INSERT statement conflicted with the FOREIGN KEY constraint "FK_Purchase_Customer". The conflict occurred in database "Garage", table "dbo.Customer", column 'ID'. The statement has been terminated

Have Exception on Add Product button???System.Data.Entity.Infrastructure.DbUpdateException: An error occurred while updating the entries. See the inner exception for details. –> System.Data.Entity.Core.UpdateException: An error occurred while updating the entries. See the inner exception for details. —> System.Data.SqlClient.SqlException: The INSERT statement conflicted with the FOREIGN KEY constraint "FK_Purchase_Customer". The conflict occurred in database "C:USERSADMINDOCUMENTSWEBSTOREWEBSTOREWEBSTOREAPP_DATAWEBSTORE.MDF", table "dbo.Customer", column 'ID'. The statement has been terminated. at System.Data.SqlClient.SqlConnection.OnError(SqlException exception, Boolean breakConnection, Action`1 wrapCloseInAction) at System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection, Action`1 wrapCloseInAction) at System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj, Boolean callerHasConnectionLock, Boolean asyncClose) at System.Data.SqlClient.TdsParser.TryRun(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj, Boolean& dataReady) at System.Data.SqlClient.SqlDataReader.TryConsumeMetaData() at System.Data.SqlClient.SqlDataReader.get_MetaData() at… Read more »

My images are not displaying from left to right, just vertically. What am i doing wrong?

My images are not displaying from left to right, just vertically. What am i doing wrong?

pnlProducts.Controls.Add(productPanel); error is coming can you tell me wot is the problem bro (System.NullReferenceException was unhandled by user code)

pnlProducts.Controls.Add(productPanel); error is coming can you tell me wot is the problem bro (System.NullReferenceException was unhandled by user code)

if (!string.IsNullOrWhiteSpace(Request.QueryString["id"])) { int id = Convert.ToInt32(Request.QueryString["id"]); ProductModel model = new ProductModel(); Product product = model.GetProduct(id); //Fill page with data lblTitle.Text = product.Name; lblDescription.Text = product.Description; lblPrice.Text = "Price per unit:<br/>£ " + product.Price; imgProduct.ImageUrl = "~/Images/Products/" + product.Image; lblItemNr.Text = product.ID.ToString(); //Fill amount list with numbers 1-20 int[] amount = Enumerable.Range(1, 20).ToArray(); ddlAmount.DataSource = amount; ddlAmount.AppendDataBoundItems = true; ddlAmount.DataBind(); }I cannot view the the details when I click the photo

if (!string.IsNullOrWhiteSpace(Request.QueryString["id"])) { int id = Convert.ToInt32(Request.QueryString["id"]); ProductModel model = new ProductModel(); Product product = model.GetProduct(id); //Fill page with data lblTitle.Text = product.Name; lblDescription.Text = product.Description; lblPrice.Text = "Price per unit:<br/>£ " + product.Price; imgProduct.ImageUrl = "~/Images/Products/" + product.Image; lblItemNr.Text = product.ID.ToString(); //Fill amount list with numbers 1-20 int[] amount = Enumerable.Range(1, 20).ToArray(); ddlAmount.DataSource = amount; ddlAmount.AppendDataBoundItems = true; ddlAmount.DataBind(); }I cannot view the the details when I click the photo