protected void Page_Load(object sender, EventArgs e)
{
System.Diagnostics.Stopwatch stopwatch = new Stopwatch();
stopwatch.Start(); // 开始监视代
DNetTransaction transaction = new DNetTransaction();
transaction.BeginTransaction();
try
{
using (DNetContext db = new DNetContext())
{
List <Author> authors = new List <Author>();
for (int i = 0; i <= 100; i++)
{
authors.Add(new Author {
AuthorName = "测试" + i.ToString(), Age = 20, IsValid = true
});
}
db.Add(authors);
transaction.Commit();
}
}
catch
{
transaction.Rollback();
}
stopwatch.Stop(); // 停止监视
TimeSpan timespan = stopwatch.Elapsed; // 获取当前实例测量得出的总时间
double milliseconds = timespan.TotalMilliseconds; // 总毫秒数
Response.Write("执行时间：" + milliseconds + "毫秒");
}
protected void Page_Load(object sender, EventArgs e)
{
System.Diagnostics.Stopwatch stopwatch = new Stopwatch();
stopwatch.Start(); // 开始监视代
using (DNetContext db = new DNetContext())
{
db.Update <Author>(m => { m.token = ""; m.Age = 20; }, m => m.AuthorID == 1);
var author = db.GetSingle <Author>(m => true, q => q.OrderBy(m => m.AuthorID));
if (author != null)
{
author.AuthorName = "jim";
var effect = db.Update(author);
}
db.Update <Author>(m => m.AuthorName = "jim", m => m.AuthorID == 1);
db.Update <Author>(m => { m.AuthorName = "jim"; m.Age = 30; }, m => m.AuthorID == 1);
db.Update <Author>(m => new Author {
AuthorName = m.AuthorName + "123", IsValid = true
}, m => m.AuthorID == 1);
db.UpdateOnlyFields <Author>(new Author {
AuthorName = "123", Age = 20, AuthorID = 1, IsValid = true
}, m => new { m.AuthorName, m.Age }, m => m.AuthorID == 1);
db.UpdateIgnoreFields <Author>(new Author {
AuthorName = "123", Age = 20, AuthorID = 1, IsValid = true
}, m => m.AuthorName, m => m.AuthorID == 1);
}
stopwatch.Stop(); // 停止监视
TimeSpan timespan = stopwatch.Elapsed; // 获取当前实例测量得出的总时间
double milliseconds = timespan.TotalMilliseconds; // 总毫秒数
Response.Write("执行时间：" + milliseconds + "毫秒");
}
protected void Page_Load(object sender, EventArgs e)
{
System.Diagnostics.Stopwatch stopwatch = new Stopwatch();
stopwatch.Start(); // 开始监视代码
using (DNetContext db = new DNetContext())
{
StringBuilder sql = new StringBuilder();
List <DbParameter> parameters = new List <DbParameter>();
sql.AppendFormat(@"SELECT {0},A.AuthorName FROM Book B
LEFT JOIN Author A ON A.AuthorID=B.AuthorID WHERE", SqlBuilder.GetSelectAllFields <Book>("B"));
sql.Append(" B.BookID>@BookID ");
parameters.Add(db.GetDbParameter("BookID", 1));
PageFilter pageFilter = new PageFilter {
PageIndex = 1, PageSize = 5
};
pageFilter.OrderText = "B.BookID ASC";
PageDataSource <Book> books = db.GetPage <Book>(sql.ToString(), pageFilter, parameters.ToArray());
List <Book> bks = db.GetList <Book>(sql.ToString(), parameters.ToArray());
}
stopwatch.Stop(); // 停止监视
TimeSpan timespan = stopwatch.Elapsed; // 获取当前实例测量得出的总时间
double milliseconds = timespan.TotalMilliseconds; // 总毫秒数
Response.Write("执行时间：" + milliseconds + "毫秒");
}
protected void Page_Load(object sender, EventArgs e)
{
System.Diagnostics.Stopwatch stopwatch = new Stopwatch();
stopwatch.Start(); // 开始监视代
using (DNetContext db = new DNetContext())
{
var query = db.GetJoin <Book, Author>((m, n) => m.AuthorID == n.AuthorID && n.IsValid == true, (m, n) => m.Price > 10 && n.IsValid == true, (m, n) => new { BookName = m.BookName + n.AuthorName, n.AuthorName });
var books = db.JoinQuery.LeftJoin <Book, Author>((m, n) => m.AuthorID == n.AuthorID && n.IsValid == true)
.Fields <Book, Author>((m, n) => new { BookName = m.BookName + "123", AuthorName = SqlFunctions.Count(n.AuthorName) })
.OrderByAsc <Book>(m => m.BookName)
.GroupBy <Book, Author>((m, n) => new { m.BookName, n.AuthorName })
.Where <Book, Author>((m, n) => m.Price > 10 && n.IsValid == true && SubQuery.GetList <Author>(n1 => n1.AuthorID >= 1, n1 => n1.AuthorID).Contains(m.AuthorID))
.GetList <Book>();
var join = db.JoinQueryAlias.LeftJoin <Book, Author>((m, n) => m.AuthorID == n.AuthorID && n.IsValid == true)
.InnerJoin <Book, Author>((m1, n) => m1.AuthorID == n.AuthorID && n.IsValid == true)
.Fields <Book, Author>((m1, n) => new { AuthorName1 = m1.BookName + n.AuthorName, n })
.OrderByAsc <Book>(m => m.BookName);
PageFilter page = new PageFilter {
PageIndex = 1, PageSize = 10
}; //分页参数前台传来
var pagesource = join.GetPage <Book>(page);
}
stopwatch.Stop(); // 停止监视
TimeSpan timespan = stopwatch.Elapsed; // 获取当前实例测量得出的总时间
double milliseconds = timespan.TotalMilliseconds; // 总毫秒数
Response.Write("执行时间：" + milliseconds + "毫秒");
}
protected void Page_Load(object sender, EventArgs e)
{
System.Diagnostics.Stopwatch stopwatch = new Stopwatch();
stopwatch.Start(); // 开始监视代
using (DNetContext db = new DNetContext())
{
db.GenerateEntities("XXX.XXX.XXX"); //files at project bin directory
}
stopwatch.Stop(); // 停止监视
TimeSpan timespan = stopwatch.Elapsed; // 获取当前实例测量得出的总时间
double milliseconds = timespan.TotalMilliseconds; // 总毫秒数
Response.Write("执行时间：" + milliseconds + "毫秒");
}
protected void Page_Load(object sender, EventArgs e)
{
System.Diagnostics.Stopwatch stopwatch = new Stopwatch();
stopwatch.Start(); // 开始监视代
using (DNetContext db = new DNetContext())
{
var author = db.GetSingle <Author>(m => true, q => q.OrderBy(m => m.AuthorID));
var effect = db.Delete(author);
int authorid = db.GetMax <Author>(m => (int)m.AuthorID);
db.Delete <Author>(m => m.AuthorID == authorid);
}
stopwatch.Stop(); // 停止监视
TimeSpan timespan = stopwatch.Elapsed; // 获取当前实例测量得出的总时间
double milliseconds = timespan.TotalMilliseconds; // 总毫秒数
Response.Write("执行时间：" + milliseconds + "毫秒");
}
protected void Page_Load(object sender, EventArgs e)
{
System.Diagnostics.Stopwatch stopwatch = new Stopwatch();
stopwatch.Start(); // 开始监视代
using (DNetContext db = new DNetContext())
{
var b = db.GetMax <Book>(m => m.BookID);
//var books = db.GetList<Book>(m => SubQuery.GetList<Author>(n => n.AuthorID > 10, n => n.AuthorID).Contains(m.AuthorID));
//获取动态类型
//List<string> name = db.IsExists<Book,string>(m =>true, m => m.BookName + "aaa" );
//var r = db.GetList<Test>(m =>true);
}
stopwatch.Stop(); // 停止监视
TimeSpan timespan = stopwatch.Elapsed; // 获取当前实例测量得出的总时间
double milliseconds = timespan.TotalMilliseconds; // 总毫秒数
Response.Write("执行时间：" + milliseconds + "毫秒");
}
protected void Page_Load(object sender, EventArgs e)
{
System.Diagnostics.Stopwatch stopwatch = new Stopwatch();
stopwatch.Start(); // 开始监视代
using (DNetContext db = new DNetContext())
{
var authorid = db.Add(new Author {
AuthorName = "张三", Age = 30, IsValid = true
});
db.Add(new Book {
BookName = "从入门到放弃", Price = 20.5, PublishDate = DateTime.Now, AuthorID = authorid
});
}
stopwatch.Stop(); // 停止监视
TimeSpan timespan = stopwatch.Elapsed; // 获取当前实例测量得出的总时间
double milliseconds = timespan.TotalMilliseconds; // 总毫秒数
Response.Write("执行时间：" + milliseconds + "毫秒");
}
protected void Page_Load(object sender, EventArgs e)
{
System.Diagnostics.Stopwatch stopwatch = new Stopwatch();
stopwatch.Start(); // 开始监视代码
using (DNetContext db = new DNetContext())
{
var author = db.GetSingle <Author>(m => true, q => q.OrderBy(m => m.AuthorID));
var book = db.GetSingle <Book>(m => ((DateTime)m.PublishDate).ToString("yyyy-MM-dd") == "2017-11-11");
var authors = db.GetList <Author>(m => string.IsNullOrEmpty(m.AuthorName) && m.IsValid == true);
List <dynamic> name = db.GetDistinctList <Author>(m => m.AuthorName.StartsWith("jim") && m.IsValid == true, m => m.AuthorName + "aaa");
//List<string> name1 = db.GetDistinctList<Author, string>(m => m.AuthorName.IndexOf("jim") == 2 && m.IsValid == true, m => m.AuthorName);
var books = db.GetList <Book>(m => SubQuery.GetList <Author>(n => n.AuthorID > 10, n => n.AuthorID).Contains(m.AuthorID));
books = db.GetList <Book>(m => m.AuthorID >= SubQuery.GetSingle <Author>(n => n.AuthorID == 10, n => n.AuthorID));
var authorid = db.GetMax <Author>(m => (int)m.AuthorID);
WhereBuilder <Author> where = new WhereBuilder <Author>();
where.And(m => m.AuthorName.Contains("jim"));
where.And(m => m.AuthorID == 3);
where.Or(m => m.IsValid == true);
db.GetList <Author>(where.WhereExpression);
PageFilter <Author> page = new PageFilter <Author> {
PageIndex = 1, PageSize = 10
};
page.And(m => "jim green".Contains(m.AuthorName));
page.OrderBy(q => q.OrderBy(m => m.AuthorName).OrderByDescending(m => m.AuthorID));
PageDataSource <Author> pageSource = db.GetPage <Author>(page);
}
stopwatch.Stop(); // 停止监视
TimeSpan timespan = stopwatch.Elapsed; // 获取当前实例测量得出的总时间
double milliseconds = timespan.TotalMilliseconds; // 总毫秒数
Response.Write("执行时间：" + milliseconds + "毫秒");
}
