protected void btnSave_Click(object sender, EventArgs e) { string strErr = ""; if (!PageValidate.IsDateTime(txtOrderDate.Text)) { strErr += "OrderDate格式错误!\\n"; } if (!PageValidate.IsNumber(txtUserId.Text)) { strErr += "UserId格式错误!\\n"; } if (!PageValidate.IsDecimal(txtTotalPrice.Text)) { strErr += "TotalPrice格式错误!\\n"; } if (strErr != "") { MessageBox.Show(this, strErr); return; } DateTime OrderDate = DateTime.Parse(this.txtOrderDate.Text); int UserId = int.Parse(this.txtUserId.Text); decimal TotalPrice = decimal.Parse(this.txtTotalPrice.Text); OLBookstore.Model.Orders model = new OLBookstore.Model.Orders(); model.OrderDate = OrderDate; model.UserId = UserId; model.TotalPrice = TotalPrice; OLBookstore.BLL.OrdersManager bll = new OLBookstore.BLL.OrdersManager(); bll.Add(model); Maticsoft.Common.MessageBox.ShowAndRedirect(this, "保存成功!", "add.aspx"); }
/// <summary> /// 更新一条数据 /// </summary> public bool Update(OLBookstore.Model.Orders model) { StringBuilder strSql = new StringBuilder(); strSql.Append("update Orders set "); strSql.Append("OrderDate=@OrderDate,"); strSql.Append("UserId=@UserId,"); strSql.Append("TotalPrice=@TotalPrice"); strSql.Append(" where Id=@Id"); SqlParameter[] parameters = { new SqlParameter("@OrderDate", SqlDbType.DateTime), new SqlParameter("@UserId", SqlDbType.Int, 4), new SqlParameter("@TotalPrice", SqlDbType.Money, 8), new SqlParameter("@Id", SqlDbType.Int, 4) }; parameters[0].Value = model.OrderDate; parameters[1].Value = model.UserId; parameters[2].Value = model.TotalPrice; parameters[3].Value = model.Id; int rows = DbHelperSQL.ExecuteSql(strSql.ToString(), parameters); if (rows > 0) { return(true); } else { return(false); } }
/// <summary> /// 增加一条数据 /// </summary> public int Add(OLBookstore.Model.Orders model) { StringBuilder strSql = new StringBuilder(); strSql.Append("insert into Orders("); strSql.Append("OrderDate,UserId,TotalPrice)"); strSql.Append(" values ("); strSql.Append("@OrderDate,@UserId,@TotalPrice)"); strSql.Append(";select @@IDENTITY"); SqlParameter[] parameters = { new SqlParameter("@OrderDate", SqlDbType.DateTime), new SqlParameter("@UserId", SqlDbType.Int,4), new SqlParameter("@TotalPrice", SqlDbType.Money, 8) }; parameters[0].Value = model.OrderDate; parameters[1].Value = model.UserId; parameters[2].Value = model.TotalPrice; object obj = DbHelperSQL.GetSingle(strSql.ToString(), parameters); if (obj == null) { return(0); } else { return(Convert.ToInt32(obj)); } }
private void ShowInfo(int Id) { OLBookstore.BLL.OrdersManager bll = new OLBookstore.BLL.OrdersManager(); OLBookstore.Model.Orders model = bll.GetModel(Id); this.lblId.Text = model.Id.ToString(); this.lblOrderDate.Text = model.OrderDate.ToString(); this.lblUserId.Text = model.UserId.ToString(); this.lblTotalPrice.Text = model.TotalPrice.ToString(); }
/// <summary> /// 得到一个对象实体 /// </summary> public OLBookstore.Model.Orders DataRowToModel(DataRow row) { OLBookstore.Model.Orders model = new OLBookstore.Model.Orders(); if (row != null) { if (row["Id"] != null && row["Id"].ToString() != "") { model.Id = int.Parse(row["Id"].ToString()); } if (row["OrderDate"] != null && row["OrderDate"].ToString() != "") { model.OrderDate = DateTime.Parse(row["OrderDate"].ToString()); } if (row["UserId"] != null && row["UserId"].ToString() != "") { model.UserId = int.Parse(row["UserId"].ToString()); } if (row["TotalPrice"] != null && row["TotalPrice"].ToString() != "") { model.TotalPrice = decimal.Parse(row["TotalPrice"].ToString()); } } return(model); }
/// <summary> /// 得到一个对象实体 /// </summary> public OLBookstore.Model.Orders GetModel(int Id) { StringBuilder strSql = new StringBuilder(); strSql.Append("select top 1 Id,OrderDate,UserId,TotalPrice from Orders "); strSql.Append(" where Id=@Id"); SqlParameter[] parameters = { new SqlParameter("@Id", SqlDbType.Int, 4) }; parameters[0].Value = Id; OLBookstore.Model.Orders model = new OLBookstore.Model.Orders(); DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters); if (ds.Tables[0].Rows.Count > 0) { return(DataRowToModel(ds.Tables[0].Rows[0])); } else { return(null); } }