gridview | 易学教程

Center-align items in Gridview

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问题 I'm making a game on Android Studio and have an issue with Grid View component. I can't align center the items inside Grid View like After image. I try several ways like android:stretchMode or android:layout_centerHorizontal but it doesn't help. Here is my XML code: <RelativeLayout android:layout_width="match_parent" android:layout_height="0dp" android:background="@android:color/holo_orange_light" android:layout_weight="8" android:layout_gravity="center"> <GridView android:layout_width="match

adding onClick listener to gridView items (to launch unique intents depending on position)

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问题 I have a gridView and I'd like to launch a different intent depending on the position of the item clicked. I've instantiated the following onClick listener which includes the value for position: gridview.setOnItemClickListener(new OnItemClickListener() { public void onItemClick(AdapterView<?> parent, View v, int position, long id) { Toast.makeText(HelloGridView.this, "" + position, Toast.LENGTH_SHORT).show(); } }); But I believe I'll need to add an if statement within it to determine which

How to prevent Postback on GridView paging in UpdatePanel

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问题 I have apply paging in GridView which is in UpdatePanel.When I move forward to the next result set full Postback occur on my Page.Do i need to do some modification in web.config file or in my code. [ ASPX ] <asp:ScriptManager ID="ScriptManager1" runat="server"> </asp:ScriptManager> <asp:UpdatePanel ID="UpdatePanel1" runat="server" > <ContentTemplate> <asp:GridView ID="gvCommentSample" runat="server" OnPageIndexChanging="gvCommentSample_PageIndexChanging" AllowPaging="true" PageSize="2"

ASP.NET - working with GridView Programmatically

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问题 I am continuing from this post. After much Googling, I have come up with this code to edit cells programmatically: using System; using System.Data; using System.Configuration; using System.Collections; using System.Web; using System.Web.Security; using System.Web.UI; using System.Web.UI.WebControls; using System.Web.UI.WebControls.WebParts; using System.Web.UI.HtmlControls; using Ice_Web_Portal.BO; namespace GridView___Test { public partial class _Default : System.Web.UI.Page { protected void

浅析Yii2中GridView常见操作

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本文是小编给大家收集整理些有关网络上GridView出现的大部分问题，本文做一个总结特此分享到脚本之家平台供大家参考。如果下面有没说到的GridView常见问题，下方留言，我会进行补充。下拉搜索日期格式化并实现日期可搜索根据参数进行是否显示链接可点击跳转显示图片 html渲染自定义按钮设定宽度等样式自定义字段自定义行样式增加按钮调用js操作 yii2 GridView 下拉搜索实现案例教程 yii2 GridView 日期格式化并实现日期可搜索案例是否显示某列案例我们举一个简单的案例条件：有一个get形参数type 需求：仅且type的值等于1的时候，列name才显示，否则该列不显示代码实现如下： [ 'attribute' => 'name', 'value' => $model->name, 'visible' => intval(Yii::$app->request->get('type')) == 1, ], 实现方式也是很简单滴。链接可点击跳转案例这个跟接下来我们要说的html渲染的效果十分类似，这里要说的是列的属性值 format,具体都有哪些格式可查看文件 yii\i18n\Formatter.php，各种format都可以解决 [ 'attribute' => 'order_id', 'value' => function (

GridView with Pager TopAndBottom

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问题 I have extended the standard GridView control in ASP.NET. Basically it is just the same, but paging and sorting is done using callbacks. I have successfully created my own PagerTemplate, but it only works when PagerSettings.Position is set to Top. I want to have the pager at both the top and the bottom. I get an HttpException saying: The table must contain row sections in order of header, body, then footer. Anyone know what this could be? I already tried calling the MakeAccessible() method,

Updating gridview with SqlDataSource in asp.net

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问题 i want to update the records from the gridview using SqlDataSource , here is what i am doing. below is my gridview markup <asp:GridView ID="grdManageFaculties" runat="server" AllowPaging="True" AutoGenerateColumns="False" DataSourceID="LocalServerDataSource" AutoGenerateDeleteButton="true" AutoGenerateEditButton="true" Width="100%" OnRowUpdating="grdManageFaculties_RowUpdating"> <Columns> <asp:TemplateField HeaderText="MANAGE"> <ItemTemplate> <asp:LinkButton ID="lnkEdit" runat="server"

yii2 gridview toggle column

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问题 I am new to yii2. and learning it slowly. I am using yii2 gridview in my project I want to show hide columns dynamically. requires something like this [https://datatables.net/examples/api/show_hide.html =>demo is given in this link] but cant understand how to do this? can anybody help? code=> <?php $gridColumns = [ ['class' => 'yii\grid\SerialColumn'], ['class' => 'yii\grid\CheckboxColumn'], [ 'header' => '<input type="checkbox"> Name',//onclick of this checkbox show / hide the column

Converting gridview into image

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问题 I want to convert gridview into image and save it to localdisk in asp.net 3.5.I donot have any idea how to do it. Can anyone please suggest something. Thanks in advance. 回答1: The following links may help you: Convert a DataGridView to a Bitmap Exporting a DataGridView to an Excel/PDF/image file by using Reporting Services report generation - CodeProject 回答2: Why you would want to convert it into an image, I'm not sure. If the gridview has paging, you'd have to capture each page like that. A

export Gridview to Excel using ClosedXML without warning: the file you are trying to open is in a different format

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问题 I am working on a ASP.NET 4.5 Webform and I have a Gridview (that has custom TemplateField and gets data from a sqlDataSource) I have this event to export the gridview contents to an excel sheet, and it does its jobs well except the created file is giving out an warning when user open it (which I understand because the file that got created is not an actual excel file): "the file you are trying to open is in a different format than specified by the file extension" protected void btnExport