本文整理汇总了C#中System.Linq.Expressions.Expression.And方法的典型用法代码示例。如果您正苦于以下问题：C# Expression.And方法的具体用法？C# Expression.And怎么用？C# Expression.And使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类System.Linq.Expressions.Expression的用法示例。
在下文中一共展示了Expression.And方法的6个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: filterPosts
public override Expression<Func<Unbrickable.Models.Post, bool>> filterPosts(Expression<Func<Unbrickable.Models.Post, bool>> predicate)
{
if (operation != 1 && operation != 2 && operation != 3)
{
return predicate;
}
if (this.isOr)
{
Debug.WriteLine("Or " + this.operation + " on " + this.date.Date);
switch (operation)
{
case 1: return predicate.Or(x => DbFunctions.TruncateTime(x.date_posted) >= this.date);
case 2: return predicate.Or(x => DbFunctions.TruncateTime(x.date_posted) <= this.date);
case 3: return predicate.Or(x => DbFunctions.TruncateTime(x.date_posted) == this.date);
default: return predicate;
}
}
else
{
Debug.WriteLine("And " + this.operation + " on " + this.date.Date);
switch (operation)
{
case 1: return predicate.And(x => DbFunctions.TruncateTime(x.date_posted) >= this.date);
case 2: return predicate.And(x => DbFunctions.TruncateTime(x.date_posted) <= this.date);
case 3: return predicate.And(x => DbFunctions.TruncateTime(x.date_posted) == this.date);
default: return predicate;
}
}
}示例2: filterPosts
public override Expression<Func<Unbrickable.Models.Post, bool>> filterPosts(Expression<Func<Unbrickable.Models.Post, bool>> predicate)
{
if (this.isOr)
{
Debug.WriteLine("Or " + this.min_date.Date + " to " + this.max_date.Date);
return predicate.Or(x => DbFunctions.TruncateTime(x.date_posted) >= min_date && DbFunctions.TruncateTime(x.date_posted) <= max_date);
}
else
{
Debug.WriteLine("And " + this.min_date.Date + " to " + this.max_date.Date);
return predicate.And(x => DbFunctions.TruncateTime(x.date_posted) >= min_date && DbFunctions.TruncateTime(x.date_posted) <= max_date);
}
}示例3: filterPosts
public override Expression<Func<Unbrickable.Models.Post, bool>> filterPosts(Expression<Func<Unbrickable.Models.Post, bool>> predicate)
{
this.username = this.username ?? "";
if (this.isOr)
{
Debug.WriteLine("Or " + this.username);
return predicate.Or(x => x.Account.username.Equals(this.username));
}
else
{
Debug.WriteLine("And " + this.username);
return predicate.And(x => x.Account.username.Equals(this.username));
}
}示例4: filterPosts
public override Expression<Func<Unbrickable.Models.Post, bool>> filterPosts(Expression<Func<Unbrickable.Models.Post, bool>> predicate)
{
this.search_contents = this.search_contents ?? "";
if (this.isOr)
{
Debug.WriteLine("Or " + this.search_contents);
return predicate.Or(x => x.entry.Contains(this.search_contents));
}
else
{
Debug.WriteLine("And " + this.search_contents);
return predicate.And(x => x.entry.Contains(this.search_contents));
}
}示例5: GetPastRange
private Expression<Func<AccountTransactionValue, bool>> GetPastRange(int filterType, Expression<Func<AccountTransactionValue, bool>> activeSpecification, WorkPeriod workPeriod)
{
//Resources.All, Resources.Month, Resources.Week, Resources.WorkPeriod
DateTime? date = null;
if (filterType == 1) date = DateTime.Now.MonthStart();
if (filterType == 2) date = DateTime.Now.StartOfWeek();
if (filterType == 3) date = workPeriod.StartDate;
return date.HasValue ? activeSpecification.And(x => x.Date < date) : activeSpecification;
}示例6: GetPastRange
private Expression<Func<AccountTransactionValue, bool>> GetPastRange(Expression<Func<AccountTransactionValue, bool>> activeSpecification)
{
if (FilterType == Resources.Month) return activeSpecification.And(x => x.Date < DateTime.Now.MonthStart());
if (FilterType == Resources.WorkPeriod) return activeSpecification.And(x => x.Date < _applicationState.CurrentWorkPeriod.StartDate);
return activeSpecification;
}