/// <summary>
/// 增加一条数据
/// </summary>
public int Add(BookShop.Model.RoomType model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into RoomType(");
strSql.Append("TypeName,Price,AddBed,BedPrice,Remark)");
strSql.Append(" values (");
strSql.Append("@TypeName,@Price,@AddBed,@BedPrice,@Remark)");
strSql.Append(";select @@IDENTITY");
SqlParameter[] parameters =
{
new SqlParameter("@TypeName", SqlDbType.VarChar, 50),
new SqlParameter("@Price", SqlDbType.Money, 8),
new SqlParameter("@AddBed", SqlDbType.Int, 4),
new SqlParameter("@BedPrice", SqlDbType.Money, 8),
new SqlParameter("@Remark", SqlDbType.VarChar, 100)
};
parameters[0].Value = model.TypeName;
parameters[1].Value = model.Price;
parameters[2].Value = model.AddBed;
parameters[3].Value = model.BedPrice;
parameters[4].Value = model.Remark;
object obj = DbHelperSQL.GetSingle(strSql.ToString(), parameters);
if (obj == null)
{
return(1);
}
else
{
return(Convert.ToInt32(obj));
}
}
/// <summary>
/// 更新一条数据
/// </summary>
public void Update(BookShop.Model.RoomType model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update RoomType set ");
strSql.Append("TypeName=@TypeName,");
strSql.Append("Price=@Price,");
strSql.Append("AddBed=@AddBed,");
strSql.Append("BedPrice=@BedPrice,");
strSql.Append("Remark=@Remark");
strSql.Append(" where TypeId=@TypeId ");
SqlParameter[] parameters =
{
new SqlParameter("@TypeId", SqlDbType.Int, 4),
new SqlParameter("@TypeName", SqlDbType.VarChar, 50),
new SqlParameter("@Price", SqlDbType.Money, 8),
new SqlParameter("@AddBed", SqlDbType.Int, 4),
new SqlParameter("@BedPrice", SqlDbType.Money, 8),
new SqlParameter("@Remark", SqlDbType.VarChar, 100)
};
parameters[0].Value = model.TypeId;
parameters[1].Value = model.TypeName;
parameters[2].Value = model.Price;
parameters[3].Value = model.AddBed;
parameters[4].Value = model.BedPrice;
parameters[5].Value = model.Remark;
DbHelperSQL.ExecuteSql(strSql.ToString(), parameters);
}
private void ShowInfo(int TypeId)
{
BookShop.BLL.RoomTypeService bll = new BookShop.BLL.RoomTypeService();
BookShop.Model.RoomType model = bll.GetModel(TypeId);
this.lblTypeName.Text = model.TypeName;
this.lblPrice.Text = model.Price.ToString();
this.lblAddBed.Text = model.AddBed.ToString();
this.lblBedPrice.Text = model.BedPrice.ToString();
this.lblRemark.Text = model.Remark;
}
public void btnUpdate_Click(object sender, EventArgs e)
{
string strErr="";
if(this.txtTypeName.Text =="")
{
strErr+="TypeName不能为空！\\n";
}
if(!PageValidate.IsDecimal(txtPrice.Text))
{
strErr+="Price不是数字！\\n";
}
if(!PageValidate.IsNumber(txtAddBed.Text))
{
strErr+="AddBed不是数字！\\n";
}
if(!PageValidate.IsDecimal(txtBedPrice.Text))
{
strErr+="BedPrice不是数字！\\n";
}
if(this.txtRemark.Text =="")
{
strErr+="Remark不能为空！\\n";
}
if(strErr!="")
{
MessageBox.Show(this,strErr);
return;
}
string TypeName=this.txtTypeName.Text;
decimal Price=decimal.Parse(this.txtPrice.Text);
int AddBed=int.Parse(this.txtAddBed.Text);
decimal BedPrice=decimal.Parse(this.txtBedPrice.Text);
string Remark=this.txtRemark.Text;
BookShop.Model.RoomType model=new BookShop.Model.RoomType();
model.TypeName=TypeName;
model.Price=Price;
model.AddBed=AddBed;
model.BedPrice=BedPrice;
model.Remark=Remark;
BookShop.BLL.RoomTypeService bll=new BookShop.BLL.RoomTypeService();
bll.Update(model);
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public BookShop.Model.RoomType GetModel(int TypeId)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select top 1 TypeId,TypeName,Price,AddBed,BedPrice,Remark from RoomType ");
strSql.Append(" where TypeId=@TypeId ");
SqlParameter[] parameters =
{
new SqlParameter("@TypeId", SqlDbType.Int, 4)
};
parameters[0].Value = TypeId;
BookShop.Model.RoomType model = new BookShop.Model.RoomType();
DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters);
if (ds.Tables[0].Rows.Count > 0)
{
if (ds.Tables[0].Rows[0]["TypeId"].ToString() != "")
{
model.TypeId = int.Parse(ds.Tables[0].Rows[0]["TypeId"].ToString());
}
model.TypeName = ds.Tables[0].Rows[0]["TypeName"].ToString();
if (ds.Tables[0].Rows[0]["Price"].ToString() != "")
{
model.Price = decimal.Parse(ds.Tables[0].Rows[0]["Price"].ToString());
}
if (ds.Tables[0].Rows[0]["AddBed"].ToString() != "")
{
model.AddBed = int.Parse(ds.Tables[0].Rows[0]["AddBed"].ToString());
}
if (ds.Tables[0].Rows[0]["BedPrice"].ToString() != "")
{
model.BedPrice = decimal.Parse(ds.Tables[0].Rows[0]["BedPrice"].ToString());
}
model.Remark = ds.Tables[0].Rows[0]["Remark"].ToString();
return(model);
}
else
{
return(null);
}
}
