/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(BookShop.Model.BookInfo model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update BookInfo set ");
strSql.Append("Bid=@Bid,");
strSql.Append("Title=@Title,");
strSql.Append("Titlehot=@Titlehot,");
strSql.Append("PriceOld=@PriceOld,");
strSql.Append("PriceNew=@PriceNew,");
strSql.Append("Author=@Author,");
strSql.Append("Publisher=@Publisher,");
strSql.Append("PublishDate=@PublishDate,");
strSql.Append("OnSaleDate=@OnSaleDate,");
strSql.Append("ISBN=@ISBN,");
strSql.Append("TypeId=@TypeId,");
strSql.Append("Detalis=@Detalis,");
strSql.Append("ImgTitle=@ImgTitle");
strSql.Append(" where ");
SqlParameter[] parameters =
{
new SqlParameter("@Bid", SqlDbType.VarChar, 500),
new SqlParameter("@Title", SqlDbType.NVarChar, 100),
new SqlParameter("@Titlehot", SqlDbType.NVarChar, 200),
new SqlParameter("@PriceOld", SqlDbType.Decimal, 5),
new SqlParameter("@PriceNew", SqlDbType.Decimal, 5),
new SqlParameter("@Author", SqlDbType.NVarChar, 20),
new SqlParameter("@Publisher", SqlDbType.NVarChar, 50),
new SqlParameter("@PublishDate", SqlDbType.date, 3),
new SqlParameter("@OnSaleDate", SqlDbType.date, 3),
new SqlParameter("@ISBN", SqlDbType.VarChar, 50),
new SqlParameter("@TypeId", SqlDbType.NVarChar, 50),
new SqlParameter("@Detalis", SqlDbType.NVarChar, 500),
new SqlParameter("@ImgTitle", SqlDbType.VarChar, 500)
};
parameters[0].Value = model.Bid;
parameters[1].Value = model.Title;
parameters[2].Value = model.Titlehot;
parameters[3].Value = model.PriceOld;
parameters[4].Value = model.PriceNew;
parameters[5].Value = model.Author;
parameters[6].Value = model.Publisher;
parameters[7].Value = model.PublishDate;
parameters[8].Value = model.OnSaleDate;
parameters[9].Value = model.ISBN;
parameters[10].Value = model.TypeId;
parameters[11].Value = model.Detalis;
parameters[12].Value = model.ImgTitle;
int rows = DbHelperSQL.ExecuteSql(strSql.ToString(), parameters);
if (rows > 0)
{
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public BookShop.Model.BookInfo DataRowToModel(DataRow row)
{
BookShop.Model.BookInfo model = new BookShop.Model.BookInfo();
if (row != null)
{
if (row["Bid"] != null)
{
model.Bid = row["Bid"].ToString();
}
if (row["Title"] != null)
{
model.Title = row["Title"].ToString();
}
if (row["Titlehot"] != null)
{
model.Titlehot = row["Titlehot"].ToString();
}
if (row["PriceOld"] != null && row["PriceOld"].ToString() != "")
{
model.PriceOld = decimal.Parse(row["PriceOld"].ToString());
}
if (row["PriceNew"] != null && row["PriceNew"].ToString() != "")
{
model.PriceNew = decimal.Parse(row["PriceNew"].ToString());
}
if (row["Author"] != null)
{
model.Author = row["Author"].ToString();
}
if (row["Publisher"] != null)
{
model.Publisher = row["Publisher"].ToString();
}
if (row["PublishDate"] != null && row["PublishDate"].ToString() != "")
{
model.PublishDate = DateTime.Parse(row["PublishDate"].ToString());
}
if (row["OnSaleDate"] != null && row["OnSaleDate"].ToString() != "")
{
model.OnSaleDate = DateTime.Parse(row["OnSaleDate"].ToString());
}
if (row["ISBN"] != null)
{
model.ISBN = row["ISBN"].ToString();
}
if (row["TypeId"] != null)
{
model.TypeId = row["TypeId"].ToString();
}
if (row["Detalis"] != null)
{
model.Detalis = row["Detalis"].ToString();
}
if (row["ImgTitle"] != null)
{
model.ImgTitle = row["ImgTitle"].ToString();
}
}
return(model);
}
/// <summary>
/// 增加一条数据
/// </summary>
public bool Add(BookShop.Model.BookInfo model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into BookInfo(");
strSql.Append("Bid,Title,Titlehot,PriceOld,PriceNew,Author,Publisher,PublishDate,OnSaleDate,ISBN,TypeId,Detalis,ImgTitle)");
strSql.Append(" values (");
strSql.Append("@Bid,@Title,@Titlehot,@PriceOld,@PriceNew,@Author,@Publisher,@PublishDate,@OnSaleDate,@ISBN,@TypeId,@Detalis,@ImgTitle)");
SqlParameter[] parameters =
{
new SqlParameter("@Bid", SqlDbType.VarChar, 500),
new SqlParameter("@Title", SqlDbType.NVarChar, 100),
new SqlParameter("@Titlehot", SqlDbType.NVarChar, 200),
new SqlParameter("@PriceOld", SqlDbType.Decimal, 5),
new SqlParameter("@PriceNew", SqlDbType.Decimal, 5),
new SqlParameter("@Author", SqlDbType.NVarChar, 20),
new SqlParameter("@Publisher", SqlDbType.NVarChar, 50),
new SqlParameter("@PublishDate", SqlDbType.date, 3),
new SqlParameter("@OnSaleDate", SqlDbType.date, 3),
new SqlParameter("@ISBN", SqlDbType.VarChar, 50),
new SqlParameter("@TypeId", SqlDbType.NVarChar, 50),
new SqlParameter("@Detalis", SqlDbType.NVarChar, 500),
new SqlParameter("@ImgTitle", SqlDbType.VarChar, 500)
};
parameters[0].Value = model.Bid;
parameters[1].Value = model.Title;
parameters[2].Value = model.Titlehot;
parameters[3].Value = model.PriceOld;
parameters[4].Value = model.PriceNew;
parameters[5].Value = model.Author;
parameters[6].Value = model.Publisher;
parameters[7].Value = model.PublishDate;
parameters[8].Value = model.OnSaleDate;
parameters[9].Value = model.ISBN;
parameters[10].Value = model.TypeId;
parameters[11].Value = model.Detalis;
parameters[12].Value = model.ImgTitle;
int rows = DbHelperSQL.ExecuteSql(strSql.ToString(), parameters);
if (rows > 0)
{
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public BookShop.Model.BookInfo GetModel()
{
//该表无主键信息，请自定义主键/条件字段
StringBuilder strSql = new StringBuilder();
strSql.Append("select top 1 Bid,Title,Titlehot,PriceOld,PriceNew,Author,Publisher,PublishDate,OnSaleDate,ISBN,TypeId,Detalis,ImgTitle from BookInfo ");
strSql.Append(" where ");
SqlParameter[] parameters =
{
};
BookShop.Model.BookInfo model = new BookShop.Model.BookInfo();
DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters);
if (ds.Tables[0].Rows.Count > 0)
{
return(DataRowToModel(ds.Tables[0].Rows[0]));
}
else
{
return(null);
}
}