Web Forms :: Add A DataList Databound Value Inside A FormViews DataBound Value
May 10, 2010
i have a FormView, and i already have a Label control that gets the value of theselected propery inside the FormView, so each time the FormView displays data, i have a Label control that displays individual values, according to the value of the FormView, here is the code:
[code]....
What i would like to do is to know how i could add a DataList instead of a Label, and then each time the FormView databinds an item, to show the value of the DataList How would i go about doing that?
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Feb 3, 2010
I have a LinkButton that is databound to a description. Sometimes the descriptions are very long and unorganized so I would like it to show for example 75 characters and then append a '...' to the end of any description greater than 75 characters. I found this snippet which pretty much is exactly what I want to do :
from [URL]
[Code]....
I just cant figure out how to do this for the LinkButton in my ItemTemplate in the DataList.
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Jun 2, 2010
I have a DataList in my page which it has been bound to Database.
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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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<ul>
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Feb 24, 2011
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<EditItemTemplate>
<uc:MyUserControl id="myUserControl1" runat="server" />
</EditItemTemplate>
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if(e.Item.ItemType == ListItemType.EditItem)
{
var p = (Pair)DataBinder.GetPropertyValue(e.Item.DataItem, "Key");
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Oct 5, 2010
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Mar 16, 2011
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Aug 31, 2010
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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)
{
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{
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{
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[Code].....
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Jan 31, 2010
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Nov 12, 2010
I have a web page like the page in the link given below.
[URL]
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Jul 19, 2010
I have a content page that displays search criteria in a div. I would like to hide the criteria div when results are returned, but keep it visible if no results are found. I have code in the DataBound event for the gridview that displays the number of rows returned from the query which works fine. To show the search criteria, I have a RegisterStartupScript which calls the javascript function to show the div. Even though the RegisterStartupScript code is executed, the javascript never runs (I put an alert in the function that never fired). Is this a lifecycle timing issue? I just don't see how I can register the javascript earlier in the page lifecycle if it is. I would think this is a very common requirement.
Sub Master:
[Code]....
[Code]....
Sub Master.cs
[Code]....
[Code]....
Content Page:
[Code]....
Content.cs
[Code]....
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May 3, 2010
i have a RadioButtonList and the list is bounded by a datasource.
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Mar 24, 2010
I have a problem about BulletList. I'm using jQuery drag&drop to fill a BulletList. Since controls does not render when datasource is null, user has no <ul> to fill. Is there any way to force BulletList to render an empty <ul> when datasource is empty ?
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Dec 30, 2010
I have trouble with the sequence of events on my page. I have a button, which on its onClick event calls a method, which posts data to a database, and causes a postback. But on the same page I have a repeater which uses the data that is being modified by the button. I would need somehow the buttonclick event occur "earlier" than the databinding in the repeater to show the correct data.
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Aug 3, 2010
I have this datalist of hyperlinks. How do I configure them to add the querstring c=(int here) to the current URL?
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Nov 11, 2010
I am fairly new to asp.net programming. I found this custom control that uses ajax to update the contents of the control and it is working perfectly. However, I need to access some of the asp.net labels and images in the databound event so I can set their values/properties appropriately, and am not sure how to go about adding additional code or accessing these in my custom control (I have been googling endlessly with no results). My code for the custom control is below.
Imports System
Imports System.Text
Imports System.IO
Imports System.Collections
Imports System.Web
Imports System.Web.UI
Imports System.Web.UI.WebControls
Imports Microsoft.VisualBasic
Namespace myControls
Public Class AjaxDivView
Inherits CompositeDataBoundControl
Implements ICallbackEventHandler
Private _itemTemplate As ITemplate
''' <summary>
''' The ItemTemplate is used to format each item from the data source.
''' </summary>
<TemplateContainer(GetType(DivViewItem))> _
<PersistenceMode(PersistenceMode.InnerProperty)> _
Public Property ItemTemplate() As ITemplate
Get
Return _itemTemplate
End Get
Set(ByVal value As ITemplate)
_itemTemplate = value
End Set
End Property
''' <summary>
''' Register Javascript
''' </summary>
Protected Overrides Sub OnPreRender(ByVal e As System.EventArgs)
'Register Refresh Function
Dim eRef As String = Page.ClientScript.GetCallbackEventReference(Me, Nothing, "AjaxDivView_Result", "'" & Me.ClientID & "'", "AjaxDivView_Error", False)
Dim refreshFunc As String = "function AjaxDivView_Refresh() {" & eRef & "}"
Page.ClientScript.RegisterClientScriptBlock(Me.GetType(), Me.UniqueID, refreshFunc, True)
MyBase.OnPreRender(e)
End Sub
''' <summary>
''' Iterate through the data items and instantiate each data item in a template.
''' </summary>
Protected Overloads Overrides Function CreateChildControls(ByVal dataSource As System.Collections.IEnumerable, ByVal dataBinding As Boolean) As Integer
Dim counter As Integer = 0
For Each dataItem As Object In dataSource
Dim contentItem As New DivViewItem(dataItem, counter)
_itemTemplate.InstantiateIn(contentItem)
Controls.Add(contentItem)
counter = counter + 1
Next
DataBind(False)
Return counter
End Function
''' <summary>
''' Render this control's contents in a Ul tag
''' </summary>
Protected Overrides ReadOnly Property TagKey() As System.Web.UI.HtmlTextWriterTag
Get
Return HtmlTextWriterTag.Div
End Get
End Property
''' <summary>
''' Render my contents to a string and send the result back to the client
''' </summary>
Public Function GetCallbackResult() As String Implements System.Web.UI.ICallbackEventHandler.GetCallbackResult
Dim builder As New StringBuilder()
Dim sWriter As New StringWriter(builder)
Dim hWriter As New HtmlTextWriter(sWriter)
Me.RenderContents(hWriter)
Return builder.ToString()
End Function
''' <summary>
''' Whenever I get called through AJAX, rebind my data.
''' </summary>
Public Sub RaiseCallbackEvent(ByVal eventArgument As String) Implements System.Web.UI.ICallbackEventHandler.RaiseCallbackEvent
Me.DataBind()
End Sub
Public Class DivViewItem
Inherits WebControl
Implements IDataItemContainer
Private _dataItem As Object
Private _index As Integer
Public ReadOnly Property DataItem() As Object Implements System.Web.UI.IDataItemContainer.DataItem
Get
Return _dataItem
End Get
End Property
Public ReadOnly Property DataItemIndex() As Integer Implements System.Web.UI.IDataItemContainer.DataItemIndex
Get
Return _index
End Get
End Property
Public ReadOnly Property DisplayIndex() As Integer Implements System.Web.UI.IDataItemContainer.DisplayIndex
Get
Return _index
End Get
End Property
Protected Overrides ReadOnly Property TagKey() As System.Web.UI.HtmlTextWriterTag
Get
Return HtmlTextWriterTag.Div
End Get
End Property
Public Sub New(ByVal dataItem As Object, ByVal index As Integer)
_dataItem = dataItem
_index = index
End Sub
End Class
End Class
End Namespace
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Apr 5, 2010
I've got a formview with controls in different template views and I have a query just out of curiosity.
In my edit template I've got for example:
<asp:TextBox ID="IsPrestigeTextBox" runat="server" Text='<%# Bind("IsPrestige") %>' />
<asp:CheckBox ID="IsPrestigeChkbx" runat="server" />
and then the same code exactly in my insert template:
<asp:TextBox ID="IsPrestigeTextBox" runat="server" Text='<%# Bind("IsPrestige") %>' />
<asp:CheckBox ID="IsPrestigeChkbx" runat="server" />
However, the databound items seem to be allowed to have the same ID whereas the non-databound checkboxes arent.
What's going on there?
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Mar 16, 2011
I am working on this form and I am having a difficult time trying to insert data into the database without having to use gridview, or something like that. I have textboxes and and dropdown lists all over the place and i want enter/selected values to be sent to the DB.
Heres some code:
[Code]....
I understand this code fairly well, but from what i can gather is that is used with DataBound controls. how do i set something like txtProvider.Text to @Provider and also execute the Query?
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Aug 20, 2010
I have a label in a template control i want to make have the addition of two databinder items
something like:<%#DataBinder.Eval(Container.DataItem, "something1") + DataBinder.Eval(Container.DataItem, "something2") %>'
but the addition doesn't seem to work - is this possible with some other syntax?
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Jul 19, 2010
i have a method to check if a row contains a certain time. the row is databound to the grid. how do i refrence this row?
row in asp.net
<asp:BoundField DataField="Time" HeaderText="Time"
SortExpression="Time" Visible="False" />
i thought findControl would work but i didnt get much luck, something like string previous = ((TextBox)r.FindControl("Time")).Text;
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Dec 30, 2010
I have a databound checkbox control that displays items with different widths. In order to get a better outlook, I would like to set a fix width for each items in the checkboxlist control which has horizontal repeatdirection.
Here is the control:
[Code]....
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Mar 9, 2010
Let's say I have DropDownList ddlRooms bound to the datasource which returns list of available rooms from table tblRooms. On the other hand I have users, and their info is stored in table tblUsers. Using FormView frmUsers can be inserted, edited and updated... frmUsers is be bound to separate datasource. To each user, I would ilke to assign a room, so the value of txtUserRoom will be populated based on the selected value from ddlRooms. How can i pass the selected value of ddlRooms to txtUserRoom while keeping txtUserRoom stil bound to user datasource? Do I need two separate fileds or can i just put value of ddlRooms into datasource user?
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Apr 27, 2010
i already have a DataList, and i get any information from the rows i need by adding code such as:
[code]....
Well what i am doing there is using the values from the items that the DataList has obtained from the rows, now, what i need to do is EXACTLY the same, but for the FormView, i realised that this code does not work for the FormView, but only DataList control.
give me the code for doing exactly as shown, but for the FormView control.
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