I have created one web page in asp.net in which i have used datalist in the datalist there is one dropdownlist and one linkbutton. i have to find dropdown selected value on link buutons click events.
i tried a lot of code but i din't get i used fincontrol method. but not geeting how to get this.
Im using Nested DataList in My Application. But i m not able to find control Inside Child DataList. (I want to Find Label Control In ItemDataBound Of ChildDataList)
Protected Sub DataList1_ItemDataBound(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.DataListItemEventArgs) Handles DataList1.ItemDataBound lblshippingoutside.Visible = Dim lblshippingoutside As Label = CType(e.Item.FindControl("lblshippingoutside"), Label)False End Sub
Throws an exception .
Object reference not set to an instance of an object.
I have a datalist which shows a username.i want to find the usernames profile.firstname and display it in a label.i have tried doing this with this code, but i get object not set error..:
I am trying to find the text property of a label that is nested within a DataList within a FormView. The FormView and the DataList have different datasources.
What I actuallt need to do specifially is assign the number of rows in the DataList to the Label in the DataList. I used the code below to find it but it keeps giving me an error about not finding the object;
I've got a multiline textbox inside the ItemTemplate of my Datalist, which is set to visible=false.I've got a button right above it, with the click of that button, all I want to do is make it visibleI've tried xtNewNote.visible=truethe ID of the textbox has a blue squiggly under it and I'm told that 'txtNewNote is not declared'and I've tried Dim txtNote As TextBox = CType(dlProject.FindControl("txtNewNote"), TextBox) txtNote.visible=trueHere, I just get an object not found when it gets to the second line
i have datalist and on button click event i check the checkbox is checked or notfor this my code is
<asp:DataList runat="server" ID="dlstproductsize"> <ItemTemplate> <input type="checkbox" value="<%#eval("size_id")%>" id="chksize" runat="server" /> <%#Eval("name")%> </ItemTemplate> </asp:DataList> If chkallowsize.Checked = True Then For Each item In dlstproductsize.Items If (CType(item.FindControl("chksize"), HtmlInputCheckBox)).Checked = True Then ocommon.ProductMapingInsert(uniq_id.Text, CType(item.FindControl("chksize"), HtmlInputCheckBox).Value) End If Next End If
i get the error like object reference not set to the object
how i can find a DataList which is inside the DataList control? Its giving the Error Object not set to an Instance. i am finding the control this way :
There is two checkbox group which have same datasource, so in both case same checkbox are showing and also same event is firing for both. Here is the event code
Now what i want to do is, while check one checkbox from the 1st checkbox group the same checkbox should be selected from the second checkbox group automatically, also if i deselect one checkbox that should be deselect from both checkbox group.
Am building a Form for out intranet that runs on ASP.NET and C#, it is to be a survey from a SQL database. I have the connections setup can pull informations/Questions from the database. I am having a problem with setting up radio buttons within a datalist, ive never done this and i know they require unque names.
It is to be 4 radio buttons per question where only one can be select, i know how to group just not via a datalist with unique names
I have following datalist ,to display employee id, name, email ..... datalist have column with link button text " Get Details" and fontcolor "black" , onmouseover of the particular row i want change the color of linkbutton or the image of linkbutton ..