public static int Delete(Book book)
{
int rows = 0;
string sql = "delete from Book where bkID=@bkID";
SqlParameter[] parameters = { new SqlParameter("@bkID", book.bkID) };
try
{
rows = SqlHelper.ExecuteNonQuery(sql, parameters);
}
catch (SqlException ex)
{
throw new Exception(ex.Message);
}
return rows;
}
//添加复制函数
public Book(Book rt)
{
this.bkID = rt.bkID;
this.bkCode = rt.bkCode;
this.bkName = rt.bkName;
this.bkAuthor = rt.bkAuthor;
this.bkPress = rt.bkPress;
this.bkdatePress = rt.bkdatePress;
this.bkISBN = rt.bkISBN;
this.bkCatalog = rt.bkCatalog;
this.bkLanguage = rt.bkLanguage;
this.bkPages = rt.bkPages;
this.bkPrice = rt.bkPrice;
this.bkDateIn = rt.bkDateIn;
this.bkNum = rt.bkNum;
this.bkBrief = rt.bkBrief;
this.bkCover = rt.bkCover;
this.bkStatus = rt.bkStatus;
}
public static int Update(Book book)
{
int rows = 0;
string sql = "update Book set "
+ "bkID=@bkID,"
+ "bkCode=@bkCode,"
+ "bkName=@bkName,"
+ "bkAuthor=@bkAuthor,"
+ "bkPress=@bkPress,"
+ "bkdatePress=@bkdatePress,"
+ "bkISBN=@bkISBN,"
+ "bkCatalog=@bkCatalog,"
+ "bkLanguage=@bkLanguage,"
+ "bkPages=@bkPages,"
+ "bkPrice=@bkPrice,"
+ "bkDateIn=@bkDateIn,"
+ "bkNum=@bkNum,"
+ "bkBrief=@bkBrief,"
+ "bkCover=@bkCover,"
+ "bkStatus=@bkStatus "
+ "where bkID=@bkID";
SqlParameter[] parameters ={
new SqlParameter("@bkID",book.bkID),
new SqlParameter("@bkCode",book.bkCode),
new SqlParameter("@bkName",book.bkName),
new SqlParameter("@bkAuthor",book.bkAuthor),
new SqlParameter("@bkPress",book.bkPress),
new SqlParameter("@bkdatePress",book.bkdatePress),
new SqlParameter("@bkISBN",book.bkISBN),
new SqlParameter("@bkCatalog",book.bkCatalog),
new SqlParameter("@bkLanguage",book.bkLanguage),
new SqlParameter("@bkPages",book.bkPages),
new SqlParameter("@bkPrice",book.bkPrice),
new SqlParameter("@bkDateIn",book.bkDateIn),
new SqlParameter("@bkNum",book.bkNum),
new SqlParameter("@bkBrief",book.bkBrief),
new SqlParameter("@bkCover",book.bkCover),
new SqlParameter("@bkStatus",book.bkStatus)
};
try
{
rows = SqlHelper.ExecuteNonQuery(sql, parameters);
}
catch (SqlException ex)
{
throw new Exception(ex.Message);
}
return rows;
}
public static int Insert(Book book)
{
int rows = 0;
string sql = "insert into Book(bkID,bkCode,bkName,bkAuthor,bkPress,bkdatePress,bkISBN,bkCatalog,bkLanguage,bkPages,bkPrice,bkDateIn,bkNum,bkBrief,bkCover,bkStatus)"
+ "values (@bkID,@bkCode,@bkName,@bkAuthor,@bkPress,@bkdatePress,@bkISBN,@bkCatalog,@bkLanguage,@bkPages,@bkPrice,@bkDateIn,@bkNum,@bkBrief,@bkCover,@bkStatus)";
SqlParameter[] parameters ={
new SqlParameter("@bkID",book.bkID),
new SqlParameter("@bkCode",book.bkCode),
new SqlParameter("@bkName",book.bkName),
new SqlParameter("@bkAuthor",book.bkAuthor),
new SqlParameter("@bkPress",book.bkPress),
new SqlParameter("@bkdatePress",book.bkdatePress),
new SqlParameter("@bkISBN",book.bkISBN),
new SqlParameter("@bkCatalog",book.bkCatalog),
new SqlParameter("@bkLanguage",book.bkLanguage),
new SqlParameter("@bkPages",book.bkPages),
new SqlParameter("@bkPrice",book.bkPrice),
new SqlParameter("@bkDateIn",book.bkDateIn),
new SqlParameter("@bkNum",book.bkNum),
new SqlParameter("@bkBrief",book.bkBrief),
new SqlParameter("@bkCover",book.bkCover),
new SqlParameter("@bkStatus",book.bkStatus)
};
try
{
rows = SqlHelper.ExecuteNonQuery(sql, parameters);
}
catch (SqlException ex)
{
throw new Exception(ex.Message);
}
return rows;
}
public int Update(Book book)
{
return (BookDAL.Update(book));
}
public int Insert(Book book)
{
return (BookDAL.Insert(book));
}
public int Delete(Book book)
{
return (BookDAL.Delete(book));
}
private void dgvBook_SelectionChanged(object sender, EventArgs e)
{
if (dgvBook.CurrentCell == null)
return;
book = BookAdmin.GetBook((int)dgvBook["bkID", dgvBook.CurrentCell.RowIndex].Value);
SetBookToText();
}