gridview

问题 I have a problem with this that works for one button and not for another. The one that works is a button that calls a ModalPopup to add a new row to a GridView inside an UpdatePanel. If it's successful, it pops up an alert with a message, else another alert with the Exception message. The code is very similar to the other one's, except it's in a ModalPopupExtender. The button that throws the known exception about the EventValidation goes as follow: Web: <asp:Button ID="btnAlquilar" runat=

问题 There are lots of questions about this but I've not been able to solve my problem using the answers to any of them (after many, many attempts..) I'm working in vb.net creating an asp.net web application. I have an SqlDataSource and a GridView on my page. I want to change the DoNotMail boolean value represented by a Gridview checkbox and automatically update in the database if the checkbox is checked from 0 (False, Will Mail) to 1 (True, Won't Mail) here is the code I used. For the default

问题 i have a fragment which displays a gridview with images. @Override public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) { View v = inflater.inflate(R.layout.hotelgallery, container, false); gridView = (GridView) v.findViewById(R.id.gridView); gridAdapter = new GridViewAdapter(getActivity(), R.layout.grid_item_layout, getData(getActivity())); gridView.setAdapter(gridAdapter); gridView.setOnItemClickListener(new

问题 I have a gridview which is displaying data dynamically from SQL table. No problem with this part. I've added a colunm that contains a radio button list. I would like to get all cells value of Column 3 (index 2) if a radio button list item of these rows is selected when the user click on the Submit button. My gridview : <asp:GridView ID="GridView1" runat="server"> <Columns> <asp:TemplateField> <HeaderTemplate> RadioButtonList </HeaderTemplate> <ItemTemplate> <asp:RadioButtonList ID="Radio1"

问题 I have a gridview which is displaying data dynamically from SQL table. No problem with this part. I've added a colunm that contains a radio button list. I would like to get all cells value of Column 3 (index 2) if a radio button list item of these rows is selected when the user click on the Submit button. My gridview : <asp:GridView ID="GridView1" runat="server"> <Columns> <asp:TemplateField> <HeaderTemplate> RadioButtonList </HeaderTemplate> <ItemTemplate> <asp:RadioButtonList ID="Radio1"

问题 I am trying to write a GridView, gv to a .pdf file. Having problems with pdfDoc. Response.ContentType = "application/pdf" Response.AddHeader("content-disposition", "attachment;filename=Export.pdf") Response.Cache.SetCacheability(HttpCacheability.NoCache) Dim sw As New StringWriter() Dim hw As New HtmlTextWriter(sw) Dim frm As New HtmlForm() gv.Parent.Controls.Add(frm) frm.Attributes("runat") = "server" frm.Controls.Add(gv) frm.RenderControl(hw) Dim sr As New StringReader(sw.ToString()) Dim

问题 I am trying to write a GridView, gv to a .pdf file. Having problems with pdfDoc. Response.ContentType = "application/pdf" Response.AddHeader("content-disposition", "attachment;filename=Export.pdf") Response.Cache.SetCacheability(HttpCacheability.NoCache) Dim sw As New StringWriter() Dim hw As New HtmlTextWriter(sw) Dim frm As New HtmlForm() gv.Parent.Controls.Add(frm) frm.Attributes("runat") = "server" frm.Controls.Add(gv) frm.RenderControl(hw) Dim sr As New StringReader(sw.ToString()) Dim

问题 I have a gridview that has databound items. it is bound to a SQLDATASOURCE. The default Edit, Update works fine, however, i wanted to perform a query too when user updates the row. Here is my aspx <asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" DataKeyNames="Customer_id" DataSourceID="SqlDataSource1" EmptyDataText="There are no data records to display." AllowPaging="True" AllowSorting="True" CellPadding="4" ForeColor="#333333" GridLines="Horizontal" PageSize="5" Width=

问题 I created an image gallery app which displays images as a gridview . I can select multiple photos at a time but I am not able to delete all of them at once by clicking the delete button. I am not using checkboxes because it doesn't go well with the design of my app. I tried finding a way but almost all of them use checkboxes.Can anyone suggest me how to delete multiple photos at once without using checkboxes? PhotosActivity.java : public class PhotosActivity extends AppCompatActivity { int

问题 I want to display 15,000 items(images) in grid view, can I load all images at once in grid view From SD card. Please help me on this. 回答1: You could write code to load all 15,000 of them at once, if that's what you're asking. However, I can guarantee you that you'll run into an OutOfMemoryException before you load too many. To get around this, you should lazy load the images, as this will only load the ones you need. 回答2: You can implement the lazy loading concept to load the images in