AJAX :: Gridview Refresh After Databound Changes?
Nov 28, 2010
I've been working on a colleagues site, and have been unable to fix a coupld of issues with it. One of which is a refresh of a Gridview panel.
The page allows a user to navigate a tree structure and then display the permissions on a user selected folder. Permissions are then added/removed and Saved.
What's not happening is the saved changes aren't being refreshed in the Gridview, also after doing this process once selecting another folder doesn't refresh the Gridview either.
Below is the sa.aspx file
[Code]....
Below is the associated sa.aspx.cs
[Code]....
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Jan 6, 2010
I have an AJAX tab container with 2 panels within aspx page. Each panel hosts an ascx control. Each control contains GridView and FormView that are databound - 1st control to the parent table and 2nd - to the child. The 2nd control/tab contains standard DropDownList that is bound to the parent values so the user can select a parent to create "child" for. everything works fine except when the parent (on the 1st tab control) is created/updates the ObjectDataSource on the 2nd tab does not getting refreshed. Only after refreshing the hole page I can see the new "parent" value in the ddl on "child" page. I use strongly typed dataset. How I can programmatically refresh the DataSource? Simple rebinding didn't make a dent. Do I need to refresh page, the tab container, tab panel?
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ID="Content1"
ContentPlaceHolderID="ContentPlaceHolder1"
Runat="Server">
[Code]....
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Oct 2, 2010
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May 10, 2010
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[code]....
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Nov 30, 2010
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[Code]....
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Dec 7, 2010
I want to render something like this (with ASP.Net Controls in the codebehind):
<ul>
<li class="first"><h1>This is a caption</h1></li>
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<li class="first"><h1>This is a another caption</h1></li>
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<li><a href="#" title="" target="_self">Foo7</a></li>
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<li><a href="#" title="" target="_self">Foo9</a></li>
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The amount of li elements that will be rendered into each ul is determined at runtime. Each link in a li belongs to into a specific ul (the one containing a specific caption. Imagine this as a kind of a treeview with nodes and subnodes) During the bind Event I need access to an ASP:HyperLink that will be rendered into the a-element. Which databound ASP.Net control should I pick for this? Looks like a repeater in a repeater, which should make the databinding process ugly. I'm thinking about creating this HTML-Output with StringWriters myself.
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Apr 3, 2014
I am using AsyncFileUpload to upload the file on OnUploadedComplete event i am binding the gridview with new datasource.On debugging its show that gridview is binded properly but after uploading the file gridview is not refreshed.My Gridview is not inside update panel
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Sep 2, 2010
1) For some reason the MainDivision column in this is displaying bold and centered (the rest are left and not bold). Anybody see something that creeped into this markup that might be causing this?
HTML Code:
[code]....
2) How can I add a non-databound checkbox to a gridview? It only seems to appear if I bind it to something, but I want it so the user can check which rows he wants to perform an action against, so it has no value other than UI interaction.
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Dec 14, 2010
I have a table in the itemtemplate of a gridview.
My requirement is something like what's shown in the below link
[URL]
i.e. Say 3, 4 and 5 are user id's. The middle column can contain some information about that user. Say for User 3 we have Info 1, Info 2 and Info 3 in those three rows. Similarly, for user 4 and 5, we would have some values in the middle column.
The number of rows in the middle column can vary. It depends on the number of rows returned by the DB call for that user.
So, how can I achieve this using grid view?
Will it be possible for me to add rows in the databound event dynamically by looking at the previous or next row in the datasource? If so, how should I go about it?
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Aug 10, 2010
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Mar 23, 2011
Here is my code:
GridView gv = new GridView();
gv.AutoGenerateColumns = true;
gv.DataSource = listOfEntities;
gv.DataBind();
// set alignment for description column
gv.Columns[0].ItemStyle.HorizontalAlign = HorizontalAlign.Left;
On the last line I get index was out of range error, and indeed if I inspect the GridView there's no columns yet. The Entity I am binding has 2 properties and they get rendered OK if I don't try to align them.
Is there a way to do this without having to dynamically assign a delegate to the DataBoundEvent of the gridview?
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Nov 2, 2010
I was trying to make an ASP.NET AJAX programatically Databound Accordion control expand onmouseover event but it didnt fired. When i use static text i.e without databinding the Accordion control the onmouseover event works fine.
Default.aspx
<%@ Page Language="C#" MasterPageFile="~/MasterPage.master" AutoEventWireup="true" CodeFile="SocisSchools.aspx.cs" Inherits="SocisSchools" Title="Schools Detail" %>
<%@ Register Assembly="AjaxControlToolkit" Namespace="AjaxControlToolkit" TagPrefix="cc1" %>
<asp:Content ID="Content1" ContentPlaceHolderID="ContentPlaceHolder1" Runat="Server">
<div>
<span style="font-size: 12pt"><strong>Schools</strong></span>
<br />
</div>
<div>
<cc1:Accordion ID="Accordion1" runat="server" SelectedIndex="0"
HeaderCssClass="accordionHeader" HeaderSelectedCssClass="accordionHeaderSelected"
ContentCssClass="accordionContent" FadeTransitions="true" FramesPerSecond="40"
TransitionDuration="250" AutoSize="None" RequireOpenedPane="false"
SuppressHeaderPostbacks="true">
<HeaderTemplate>
<a href=""><%# Eval("SchoolName") %></a>
</HeaderTemplate>
<ContentTemplate>
<p style="text-align: justify">
<asp:Label ID="lblSchoolIntro" runat="server" Text='<%# Eval("SchoolIntro") %>'>
</asp:Label></p><br />
</ContentTemplate>
</cc1:Accordion>
<div>
<asp:Button ID="cmdPrev" runat="server" Text=" << " OnClick="cmdPrev_Click" CausesValidation="false"></asp:Button>
<asp:Button ID="cmdNext" runat="server" Text=" >> " OnClick="cmdNext_Click" CausesValidation="false"></asp:Button>
<asp:Label ID="lblCurrentPage" runat="server"></asp:Label>
</div>
</div>
</asp:Content>
<asp:Content ID="Content2" ContentPlaceHolderID="ContentPlaceHolder2" Runat="Server">
</asp:Content>
Default.aspx.cs
public partial class SocisSchools : System.Web.UI.Page
{
public int CurrentPage
{
get
{
// look for current page in ViewState
object o = this.ViewState["_CurrentPage"];
if (o == null)
return 0; // default to showing the first page
else
return (int)o;
}
set
{
this.ViewState["_CurrentPage"] = value;
}
}
protected void Page_Load(object sender, EventArgs e)
{
GetItems();
}
private void GetItems()
{
BusinessLogicLayer.SocisSchools fac = new BusinessLogicLayer.SocisSchools();
DataSet ds = fac.GetSchools();
PagedDataSource objPds = new PagedDataSource();
objPds.DataSource = ds.Tables[0].DefaultView;
objPds.AllowPaging = true;
objPds.PageSize = 7;
objPds.CurrentPageIndex = CurrentPage;
lblCurrentPage.Text = "Page: " + (CurrentPage + 1).ToString() + " of " + objPds.PageCount.ToString();
Accordion1.DataSource = objPds;
Accordion1.DataBind();
// Disable Prev or Next buttons if necessary
cmdPrev.Enabled = !objPds.IsFirstPage;
cmdNext.Enabled = !objPds.IsLastPage;
}
protected void cmdPrev_Click(object sender, EventArgs e)
{
CurrentPage -= 1;
GetItems();
}
protected void cmdNext_Click(object sender, EventArgs e)
{
CurrentPage += 1;
GetItems();
}
}
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Oct 25, 2010
I've build a Modal Popup extender with a DataBound DropDownList. The only problem I've got is that the DropDownList is being filled in the Page_Load. Even when I put the binding in the Load of the Modal PopUp extender there is no data inside my Dropdownlist.What am I doing wrong here? Because everything should work when I hit the TargetControlID.
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Aug 17, 2010
I am using .Net 3.5 in VS 2010. I would like to use a couple of radio buttons, that are bound to data, to control the Expand/Collapse of a CollapsiblePanelExtender.
I have found several threads on the web that suggest using JavaScript to control the CollapsiblePanelExtender with a RadioButtonList, but I cannot $find the control in the JavaScript.
I have also found several threads that suggest using custom radio buttons, but I don't see how to do the databinding for these.
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Feb 9, 2010
I have given an access to stored procedure, which i'm not able to edit. This Stored Procedure returns a Table with 2 Column, what I did is set a GridView's DataSource using SQLDataSource in this stored procedure. but I want this GridView to Sort an specific column to descending whenever this GridView Loads.
<asp:GridView ID="GridView2" runat="server" AutoGenerateColumns="False"
DataSourceID="SqlDataSource2" ForeColor="Black"
Width="58%" Height="125px" AllowPaging="True" AllowSorting="True"
PageSize="5" >
<Columns>
<asp:BoundField DataField="DateOccur" HeaderText="Login Date"
SortExpression="DateOccur" />
<asp:BoundField DataField="TotalMinutesPlayed" HeaderText="Total Minutes"
SortExpression="TotalMinutesPlayed" />
</Columns>
<AlternatingRowStyle BackColor="#EFEFEF" />
</asp:GridView>
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Sep 21, 2010
I have a gridview I bound a DataTable with that Gridview Its dynamic so no hardcode Text in desin.
I tried to change it after Databound and in PreRender of gridview but no Success.
Actually there are Underscores('_') in text and I want to Replace it with space.
Below is code
<asp:GridView ID="grdSearchResult" runat="server" AutoGenerateColumns="True" Width="99%" OnPreRender="grdSearchResult_PreRender"
OnRowCreated="grdSearchResult_OnRowCreated" OnPageIndexChanging="grdSearchResult_PageIndexChanging">
<HeaderStyle ForeColor="White" BackColor="#215B8D" />
<AlternatingRowStyle BackColor="#F7F7F7" />
<RowStyle CssClass="gridtext" HorizontalAlign="Center" />
</asp:GridView>
protected void grdSearchResult_PreRender(object sender, EventArgs e)
{
for (int i = 0; i < grdSearchResult.Columns.Count; i++)
{
grdSearchResult.Columns[i].HeaderText = grdSearchResult.Columns[i].HeaderText.Replace("_", "");
}
}
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Feb 25, 2011
I am trying to add an image overlay of a cell within a data bound gridview cell in ASP.Net (C#). The effect is designed to have a string within the image that is going to sit on top of the image that is pulled from the server.
IE: Database contains path to images. Data grid is pulling these images in based on the ID of the items in question. I need to pull the price from the database and lay it onto an image that is placed over the data bound image cell.
SQL Statement gets results.
Results contains path to image for items.
Items are sometimes on sale, so a special overlay is needed.
Overlay will have a varying price overlaying it.
I tried to break it down into easy portions. I am not sure if I am over thinking things or not but I can't find a feasible way to do this. The data is converted to a table due to the data grid control in ASP.Net, and there isn't any way to determine the IDs after the table is created.
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Sep 23, 2010
i have to a grid view and the datasource for it is a table coming from the database the table containing sequence numbers for example if the sequence number is 1 then i want to add a row just above this saying it is the start , the entire row should give some information .
i tried to find related thing but no luck, waiting for some replies to move further
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Nov 12, 2010
I need to be able to get the value in the "first" row of a Gridview as its getting or right after it is displayed.
I thought this would work but its coming up null.
I'm using the DataBound event to get the value of the control of a selected row...assuming the selected row is the first row which is probably the error of my ways. Any ideas how to get at this value easily?
[Code]....
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Aug 24, 2010
I have this so far but kind of stuck on how to do it programtically if I'm using header and content templates I have a xmldatasource..In a nutshell at what point in my code do I need to create a new accordion? does it need to be in the item_databound handler?
[Code]....
[Code]....
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Apr 13, 2010
I am trying to develop a very simple templated custom server control that resembles GridView. Basically, I want the control to be added in the .aspx page like this:
[Code]....
I know that what I want to achieve is pointless and that I can use DataGrid to achieve it, but I am giving this very simple example because if I know how to do this I would be able to develop the control that I need.
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Nov 7, 2010
How can i do the following:
I already have an ArrayList populated from an Oracle table using SQL Select statement.
[Code]....
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Dec 29, 2012
this is my hyperlink code that is in gridview
<ItemTemplate>
<asp:HyperLink ID="lnkRemove2" runat="server" CssClass="LBP3E" Text = "more..." NavigateUrl='<%# "state/view.aspx?BehCode=" + Request.QueryString["BehCode"] + "&Id=" + Eval("Id") %>'></asp:HyperLink>
</ItemTemplate>
I want do some thing like that for my button control that is not in gridview it is out of grid view...HOw I can do it?
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Mar 1, 2014
This is my for loop code, it is working fine , just the problem is, if there are 10 rows , it runs for 9 rows and not for 10th time? What correction is needed?
protected void gvouter_RowDataBound1(object sender, GridViewRowEventArgs e)
{
if (e.Row.RowType == DataControlRowType.DataRow)
{
int count_rows_for_saving_answers = gvouter.Rows.Count;
for (int ii = 0; ii <= count_rows_for_saving_answers - 1; ii++)
{
Label lblsubid = (Label)gvouter.Rows[ii].FindControl("lblsubid");
[Code].....
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Jun 17, 2010
I have two gridviews, where the first is databound to a sql table (but does not display the primary key info), and want to filter the data displayed on the second gridview by using the primary key info from the first gridview table, indicated by the selected row in the first gridview - how I could achieve this? its kind of like using the gridviews as a menu and sub menu display!
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