gridview

问题 How can I do it? This is the method in GridView adapter public static void changeView(Bitmap bmp, int pos){ GridView gridView = new GridView(mContext); ImageView view = (ImageView) gridView.getChildAt(pos); if (view == null) Log.e("ImageAdapter Error", "ImageView is null"); } This is a getView method @Override public View getView(int position, View convertView, ViewGroup parent) { ImageView imageView; if (convertView == null) { // imageView = Inflater.inflate(R.layout.image_layout, null);

问题 I am using pagination with CSqlDataProvider. Result is shown properly for the first 20 or first page of the pagination. When I see the Log message on the web page the query it uses is actually selecting top 20 rows for all the pages and that's the problem. I have no idea how to correct it. My controller has code: public function actionLink() { $sql = "SELECT Ordernumber, Order_Date FROM [Orders] WHERE CAST(Order_Date As Date) BETWEEN '01-01-2014' AND '31-01-2014'"; $count = Yii::app()->db-

问题 I have a GridView that displays the Approvers list. As shown in below image. I need to show CheckBoxes, if there are multiple Approvers in a column. Is it possible? If yes then how can I achieve it? E.g The Approvers section has multiple Approver Names in the first row, for which I should show CheckBoxes. The data displayed in the grid is available in a DataTable and the multiple Approvers are part of a single row hence I can't use TemplateField and display CheckBoxes. 回答1: Below is the

问题 I'm getting into Android and I'm an absolute beginner with that, so I hope you can help me with an issue with my custom GridAdapter and Parse SDK, the Logcat doesn't show me any error but the device still crashes without showing any data. Here's my code [EDITED]: public class Home extends AppCompatActivity { /* Views */ ProgressDialog progDialog; /* Variables */ List<ParseObject> eventsArray = null; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate

问题 This is my Apps Screenshoot : There is two button in that GridView : +/-. So what im gonna try is when i press "+" button or "-" button, the quantity is store in SharedPreferences. But really im confused about this. This is my code so far : package com.android.customer_blanjapasar.Utility; import android.content.Context; import android.content.SharedPreferences; import android.preference.PreferenceManager; import android.text.Editable; import android.text.TextWatcher; import android.view

问题 Gridview, is there an event, how would I determine that it has finished being rendered? That's basically it, I want to adjust the height of some other controls on the page and I want to pick up this event. Sorry I should have been more explicit in stating that this is actually a web page not a winform. In the end I managed to solve the problem by registering a function with the page load which is called after the controls have been drawn and they calling the gridview size and resizing the

问题 The class below opens images full from a GridView thumb click. I am trying to delete the cached images after returning from the fullscreen to gridview activity. At this point the app gives me an error and returns to gridview activity. I have another app with this method working fine on back button press. What is the problem here? DetailsActivity (Fullscreen) class: public class DetailsActivity extends Activity { private TouchImageView imageView; PhotoViewAttacher mAttacher;

问题 This question already has answers here : What is a NullPointerException, and how do I fix it? (12 answers) Closed 4 years ago . I am developing an android application to show images in a grid. I am following the steps listed in the youtube tutorial. On running the app, the getview method encounters a NullpointerException. I am unable to figure out the reason of this exception. Can you help me figure out what is wrong? The exception is java.lang.NullPointerException: Attempt to invoke virtual

问题 I have grid view which I want to scroll without scrolling header and top border. I have following css solution to scroll gridview without scrolling header row but I am not able to avoid the scrolling of top grid view border. .HeaderFreez { position: relative; top: expression(this.offsetParent.scrollTop); z-index: 10; } ..... ..... <HeaderStyle CssClass="HeaderFreez" BackColor="Silver" ForeColor="Black" Font-Size="8pt" BorderStyle="Solid" Wrap="False" /> Is there any solution to avoid the

问题 I want to use CSS to format my GridView rows. I've set up my GridView in the aspx like so: <asp:GridView ID="GridView1" runat="server"> </asp:GridView> I set and bind the data source in the code-behind by calling a method to get my data set from a data access layer. However, because I set the datasource programmatically, the rows and cells have no id attributes. How can you use CSS to style and format those rows and cells? This is the HTML generated currently: <div> <table cellspacing="0"