dynamic-list | 易学教程

How to handle null values in linq?

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问题 recordsList.ListOfRecords = new StudentRecordsBAL() .GetStudentsList() .Select(q => new StudentRecords() { _RollNumber = q._RollNumber, _Class = q._Class, _Name = q._Name, _Address = q._Address, _City = q._City, _State = q._State, _Subjects = q._Subject, _AttendedDays = new AttendanceBAL() .GetAttendanceListOf(q._RollNumber) .Where(date => date != null) .Select(date => new DateTime(date._Date.Year, date._Date.Month, date._Date.Day)) .Distinct() .ToList(), _AttendedSubjects =

Bind textbox list inside listbox in wpf

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问题 I have to make listbox with textbox in it... and it has to be dynamic. I have observable collection in code behind and I want to bind that for listbox. I want dynamic listbox and this list should have editable textbox in it. So, basically I want to bind multiplr textbox from listbox. Any help would be appreciated <ListBox HorizontalAlignment="Left" Name="ListTwo" Height="100" Margin="286.769,165.499,0,0" VerticalAlignment="Top" Width="100" ItemsSource="{Binding Source=obs}"> <ListBox

.listview() is not a function error when creating a dynamic listview in jquery mobile

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问题 I am trying to create a dynamic listview in jquery mobile, after querying the facebook api, to retrieve a user's news feed. Here's part of my mark up: markup += '<li><a href=""><img src="https://graph.facebook.com/' + id + '/picture">'+'<h4>' + name + '</h4><p>' + short_post +'....</p></a></li>'; I then have, $(newsfeedposts).append(markup); $(newsfeedposts).trigger("create"); however after that when i call the $(newsfeedposts).listview("refresh"); I get a type error: TypeError: $(...)

.listview() is not a function error when creating a dynamic listview in jquery mobile

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Dynamic list and blank space filtering

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问题 I have a list which is a combination of two cells for records. For example something like A1&B2 . Sometimes this is not filled however. The formula below sees that it has A1&B2 in the field so regardless it thinks it's fields even though the field would be considered "" . =OFFSET(CCS_Error_Tracker!$A$5,0,0,COUNTA(CCS_Error_Tracker!$A:$A),1) Is there any way this could be configured truly to look for blank spaces? 回答1: I think this is what you are looking for: =$A$5:INDEX($A$5:$A$1048576,ROWS(

Creating Listview dynamically in Android

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问题 I Have a two dimensional string array , I want to create a 3 column list-view, that display data from the string array, it should have the same number of rows that the size of the string array. This is my string array: String[][] data = { {"001", "JOHN ","1001" }, {"002", "SIBIN", "1002" }, {"003", "TOM ", "1003" }, {"004", "FREEDY", "1004" } }; I want to display it in a Listview like ID NAME VACANCY ID 001 JOHN 1001 002 SIBIN 1002 003 TOM 1003 004 FREEDY 1004 Also when I click a list-view

Bind textbox list inside listbox in wpf

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I have to make listbox with textbox in it... and it has to be dynamic. I have observable collection in code behind and I want to bind that for listbox. I want dynamic listbox and this list should have editable textbox in it. So, basically I want to bind multiplr textbox from listbox. Any help would be appreciated <ListBox HorizontalAlignment="Left" Name="ListTwo" Height="100" Margin="286.769,165.499,0,0" VerticalAlignment="Top" Width="100" ItemsSource="{Binding Source=obs}"> <ListBox.ItemTemplate> <DataTemplate> <TextBox Name="TextBoxList"></TextBox> </DataTemplate> </ListBox.ItemTemplate> <

Creating Listview dynamically in Android

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I Have a two dimensional string array , I want to create a 3 column list-view, that display data from the string array, it should have the same number of rows that the size of the string array. This is my string array: String[][] data = { {"001", "JOHN ","1001" }, {"002", "SIBIN", "1002" }, {"003", "TOM ", "1003" }, {"004", "FREEDY", "1004" } }; I want to display it in a Listview like ID NAME VACANCY ID 001 JOHN 1001 002 SIBIN 1002 003 TOM 1003 004 FREEDY 1004 Also when I click a list-view item, it redirect to another page with the listview id How is this possible? I am new in the android

.listview() is not a function error when creating a dynamic listview in jquery mobile

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I am trying to create a dynamic listview in jquery mobile, after querying the facebook api, to retrieve a user's news feed. Here's part of my mark up: markup += '<li><a href=""><img src="https://graph.facebook.com/' + id + '/picture">'+'<h4>' + name + '</h4><p>' + short_post +'....</p></a></li>'; I then have, $(newsfeedposts).append(markup); $(newsfeedposts).trigger("create"); however after that when i call the $(newsfeedposts).listview("refresh"); I get a type error: TypeError: $(...).listview is not a function my html div tag is this <div data-role="content"> <div class ="post"> <ul data