public void btnSave_Click(object sender, EventArgs e)
{
string strErr = "";
if (!PageValidate.IsNumber(txtquantity.Text))
{
strErr += "quantity格式错误！\\n";
}
if (this.txtboookState.Text.Trim().Length == 0)
{
strErr += "boookState不能为空！\\n";
}
if (strErr != "")
{
MessageBox.Show(this, strErr);
return;
}
string orderNo = this.lblorderNo.Text;
string ISBN = this.lblISBN.Text;
int quantity = int.Parse(this.txtquantity.Text);
string boookState = this.txtboookState.Text;
BookShop.Model.Sale model = new BookShop.Model.Sale();
model.orderNo = orderNo;
model.ISBN = ISBN;
model.quantity = quantity;
model.boookState = boookState;
BookShop.BLL.Sale bll = new BookShop.BLL.Sale();
bll.Update(model);
Maticsoft.Common.MessageBox.ShowAndRedirect(this, "保存成功！", "list.aspx");
}
/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(BookShop.Model.Sale model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update Sale set ");
strSql.Append("quantity=@quantity,");
strSql.Append("bookState=@bookState");
strSql.Append(" where orderNo=@orderNo and ISBN=@ISBN ");
SqlParameter[] parameters =
{
new SqlParameter("@quantity", SqlDbType.Int, 4),
new SqlParameter("@bookState", SqlDbType.Char, 1),
new SqlParameter("@orderNo", SqlDbType.Char, 15),
new SqlParameter("@ISBN", SqlDbType.Char, 17)
};
parameters[0].Value = model.quantity;
parameters[1].Value = model.bookState;
parameters[2].Value = model.orderNo;
parameters[3].Value = model.ISBN;
int rows = DbHelperSQL.ExecuteSql(strSql.ToString(), parameters);
if (rows > 0)
{
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// 增加一条数据
/// </summary>
public bool Add(BookShop.Model.Sale model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into Sale(");
strSql.Append("orderNo,ISBN,quantity,bookState)");
strSql.Append(" values (");
strSql.Append("@orderNo,@ISBN,@quantity,@bookState)");
SqlParameter[] parameters =
{
new SqlParameter("@orderNo", SqlDbType.Char, 15),
new SqlParameter("@ISBN", SqlDbType.Char, 17),
new SqlParameter("@quantity", SqlDbType.Int, 4),
new SqlParameter("@bookState", SqlDbType.Char, 1)
};
parameters[0].Value = model.orderNo;
parameters[1].Value = model.ISBN;
parameters[2].Value = model.quantity;
parameters[3].Value = model.bookState;
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.Sale GetModel(string orderNo, string ISBN)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select top 1 orderNo,ISBN,quantity,bookState from Sale ");
strSql.Append(" where orderNo=@orderNo and ISBN=@ISBN ");
SqlParameter[] parameters =
{
new SqlParameter("@orderNo", SqlDbType.Char, 15),
new SqlParameter("@ISBN", SqlDbType.Char, 17)
};
parameters[0].Value = orderNo;
parameters[1].Value = ISBN;
BookShop.Model.Sale model = new BookShop.Model.Sale();
DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters);
if (ds.Tables[0].Rows.Count > 0)
{
return(DataRowToModel(ds.Tables[0].Rows[0]));
}
else
{
return(null);
}
}
private void ShowInfo(string orderNo, string ISBN)
{
BookShop.BLL.Sale bll = new BookShop.BLL.Sale();
BookShop.Model.Sale model = bll.GetModel(orderNo, ISBN);
this.lblorderNo.Text = model.orderNo;
this.lblISBN.Text = model.ISBN;
this.txtquantity.Text = model.quantity.ToString();
this.txtboookState.Text = model.boookState;
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public BookShop.Model.Sale DataRowToModel(DataRow row)
{
BookShop.Model.Sale model = new BookShop.Model.Sale();
if (row != null)
{
if (row["orderNo"] != null)
{
model.orderNo = row["orderNo"].ToString();
}
if (row["ISBN"] != null)
{
model.ISBN = row["ISBN"].ToString();
}
if (row["quantity"] != null && row["quantity"].ToString() != "")
{
model.quantity = int.Parse(row["quantity"].ToString());
}
if (row["bookState"] != null)
{
model.bookState = row["bookState"].ToString();
}
}
return(model);
}
