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 :
DataList dl =((DataList) (DataList1.FindControl("DataList2")));
I want to find control inside datalist, i am using this:
((Image)DataList1.Items[0].FindControl("Image1")).Visible=true;
//here got error:
Index was out of range. Must be non-negative and less than the size of the collection.
here is my aspx code:
<asp:DataList ID="DataList1" runat="server" DataKeyField="nsid">
Iam finding the button control which is inside the Footer Template of Data list control.
i tried the below code but it is not working suggest me where iam doing wrong or how i find the control avaiable in footer template of Data list.
Here is my code
[Code]....
iam using the above code on button click
How to find the asp image control inside DataListView using JavaScript.
View 1 RepliesI'm trying to find a TextBox in the code-behind page, it's inside a nested master page and also then inside another control container (it's inside ctrlCheckoutShippingAddress also) .
I've tried this:
[Code]....
[Code]....
how to find Textbox Control inside DetailsView Control Using Javascript, I tried below but gives an error OBject reference not found
document.getElementById('<%=DetailsView1.FindControl("TextBox1").ClientID%>');
I have on dropdown that show hide user control. In the user control i have Ok and Cancel button.
When the dropdown change i want to apply ValidationGroup on the Ok button that is inside UserControl.
I am developing a asp database that is linked with SQL Database. When I am tryind to Find Control (GridView2) inside of another control (Panel2) that sits in Item Template for DetailsView, I got an error message:
Object reference not set to an instance of an object.
<asp:DetailsView ID="DetailsView1" HeaderText="Details" HeaderStyle-CssClass="labelheadRight" runat="server" AutoGenerateRows="False" DataKeyNames="pk_BackupDriveSerial"
DataSourceID="SqlDataSource1" GridLines="None"
CssClass="Detailsview" AllowPaging="True"
OnDataBinding="DetailsView1_OnDataBind"
OnItemInserted="DetailsView1_OnInsert"
OnItemDeleted="DetailsView1_OnDelete"
>
<Fields>
<asp:BoundField DataField="pk_BackupDriveSerial" ControlStyle-CssClass="dropdownsize"
HeaderText="Serial No" ReadOnly="True"
SortExpression="pk_BackupDriveSerial" >
<ControlStyle CssClass="dropdownsize"></ControlStyle>
</asp:BoundField>
<asp:BoundField DataField="BackupDriveMake" HeaderText="Make" ControlStyle-CssClass="dropdownsize"
SortExpression="BackupDriveMake" >
<ControlStyle CssClass="dropdownsize"></ControlStyle>
</asp:BoundField>
<asp:BoundField DataField="BackupDriveModel" HeaderText="Model" ControlStyle-CssClass="dropdownsize"
SortExpression="BackupDriveModel" >
<ControlStyle CssClass="dropdownsize"></ControlStyle>
</asp:BoundField>
<asp:TemplateField HeaderText="Type" SortExpression="fkid_BackupDriveTypes" ControlStyle-CssClass="dropdownsize"
Visible="False">
<EditItemTemplate>
<asp:Label ID="Label6" runat="server" Text='<%# Bind("BackupDriveMake") %>' Width="145px"></asp:Label>
<br />
<asp:TextBox CssClass="dropdownsize" AutoPostBack="true" ID="DropDownList5" runat="server" Text='<%# Bind("BackupDriveModel") %>' ></asp:TextBox>
<br />
<asp:Panel ID="Panel2" runat="server" CssClass="dropdownpanel" >
<asp:GridView CssClass="dropdowngrid" ID="GridView2" runat="server" AutoGenerateColumns="False"
CellPadding="4" DataKeyNames="pkid_BackupDriveTypes" SelectedValue='<%# Bind("fkid_BackupDriveTypes") %>'
DataSourceID="SqlDataSource3" ForeColor="#333333" GridLines="None" OnSelectedIndexChanged="GridView2_OnChange">
<RowStyle BackColor="#EFF3FB" />
<Columns>
<asp:BoundField DataField="pkid_BackupDriveTypes"
HeaderText="pkid_BackupDriveTypes" InsertVisible="False" ReadOnly="True"
SortExpression="pkid_BackupDriveTypes" Visible="False" />
<asp:BoundField DataField="BackupDriveMake" HeaderText="Make"
SortExpression="Make" />
<asp:BoundField DataField="BackupDriveModel" HeaderText="Model"
SortExpression="Model" />
<asp:CommandField ShowSelectButton="True" />
</Columns>
<FooterStyle BackColor="#507CD1" Font-Bold="True" ForeColor="White" />
<PagerStyle BackColor="#2461BF" ForeColor="White" HorizontalAlign="Center" />
<SelectedRowStyle BackColor="#D1DDF1" Font-Bold="True" ForeColor="#333333" />
<HeaderStyle BackColor="#507CD1" Font-Bold="True" ForeColor="White" />
<EditRowStyle BackColor="#2461BF" />
<AlternatingRowStyle BackColor="White" />
</asp:GridView>
</asp:Panel>
<asp:DropDownExtender ID="DropDownExtender2" runat="server" DropDownControlID="Panel2" TargetControlID="DropDownList5">
</asp:DropDownExtender>
</EditItemTemplate>
[Code]....
I also tried
[Code]....
may i know how to find control inside Login View Control
i m usng following way
HyperLink lnktest = (HyperLink)loginView.FindControl("test");
but its giving me error that lnktest is null i.e object reference is not set to instance of object
I have a listview where inside Iitemtemplate one button and one label is placed.
I want to access the value of label on the click event of button.
how do I use the datalist "DL_Pro_Result" to find the child datalist "DL_Gro_Result" in C#?
For example in the following code, dlii value is null, even though dli != null.
DataList dli = (DataList)Page.FindControl("DL_Pro_Result");
DataList dlii = (DataList)dli.FindControl("DL_Gro_Result");
<div id="ProList">
<asp:DataList ID="DL_Pro_Result" runat="server">
<HeaderTemplate>
<table id="T_Pro_Result_Header" runat="server">
<tr>
<td>
<asp:Label ID="L_Pro_Result_Header" runat="server"></asp:Label>
</td>
</tr>
</table>
</HeaderTemplate>
<ItemTemplate>
<table id="T_Pro_Result_Item" class="table" runat="server">
<tr>
<td>
<asp:Label ID="L_Pro_Result_Item" runat="server"></asp:Label>
<asp:Button ID="B_Pro_Result_Item_1" OnClick="B_Pro_Result_Item_1_Click"/>
</td>
</tr>
<tr>
<td>
<asp:DataList ID="DL_Gro_Result" runat="server">
Am not sure why I cannot access my Label control which was inside the Panel and the Panel is inside the DataList
[Code]...
but when I tried using "lbl" in Page_Load, it seems it cannot find the control?
[Code]....
that code returns Object reference not set to an instance of an object.
[Code]....
output:
panel does not exist
Hello all i have this little issue getting this to work, i have a dropdownlist in asp.net inside a formview and jquery cant find the control im guessing because its inside a form, this is what i got and it works on another page without a formviewi get this errorName 'Country' is not declared
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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)
View 3 RepliesIm not able to find control in datalist.
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
[Code]....
When click on Ad to cart I want to get selected product detailshere is my code
[Code]....
but this is allways showing me the last record.say I have 5 products displayed on datalist.its showing me the last product details.
I have a literal8 inside panel1 and panel1 inside datalist1 ..
i wanna insert the value in literal1 on page load event using query string ...
ERROR on Page Load : Object reference is not set to the instance of an object
how to make this code workin ?
Protected Sub Page_PreInit(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.PreInit
Dim lit8 As Literal = DirectCast(DataList1.FindControl("Literal8"), Literal)
lit8.Text = Me.Request.QueryString("room")
End Sub
How to use AJAX Rating Control inside ASP.Net DataList
View 1 RepliesI have a button inside a Panel. I'm trying to find the id of the button, but my code doesn't work:
protected void pnl_nocutomer_Load(object sender, EventArgs e)
{
Button btn;
[code]...
Can I place a asp:datalist inside a repeater control and databind it for each time its repeated? Using VB.NET btw..
View 1 RepliesI have databound GridView in my page and I have a hidden DIV in all rows. Each row contains a Button that I want it to make the DIV visible for me! how can I use that with jQuery?!
here is the code page: <asp:GridView ID="GridView2" runat="server" AutoGenerateColumns="False"
I have a Listview that houses a FileUpload control. However, after using findcontrol the next line of code tries to convert the filename into a string and produces the familar error object reference not found.
Note: I have used identical code in a formview and it works fine.
Here's my relevent codebehind:
protected void AccessDataSource1_Inserting(object sender, SqlDataSourceCommandEventArgs e)
{
FileUpload FileUpload1 = (FileUpload)ListView1.FindControl("FileUpload1");
string Fupload = FileUpload1.FileName.ToString();
DateTime DateNow = DateTime.Now;
string DateNowSTR = DateNow.ToString();
string NewImageName = DateNowSTR + Fupload;
FileUpload1.SaveAs(Server.MapPath("~//images//" + NewImageName));
e.Command.Parameters["SponLogo"].Value = NewImageName;
}
I have a master page and content page and placeholders in one of the placeholders in the content page i programmatically add a custom control (with loads of controls inside it.) Basically once all te controls are populated i want click a submit buttom on the form and get all the vales from the controls in the cutom control.
View 16 RepliesI can't seem to find a textbox using FindControl. The textbox is located inside an asp:Table, asp:Table is inside a UserControl and I load the usercontrol into the parent page.
View 5 RepliesIn code-behind, I can successfully refer to ID XXX if my ascx file looks like this:
<%@ Control Language="C#" AutoEventWireup="true" CodeFile="ProductsList.ascx.cs" Inherits="UserControls_ProductsList" %>
<div id="XXX" runat="server"></div>
But if the Div ID is embedded within a DataList control(below), XXX becomes unrecogined in code-behind:
<%@ Control Language="C#" AutoEventWireup="true" CodeFile="ProductsList.ascx.cs" Inherits="UserControls_ProductsList" %>
<asp:DataList ID="list" runat="server" RepeatColumns="3">
<ItemTemplate>
<div id="XXX" runat="server"></div>
</ItemTemplate>
</asp:DataList>
How can I successfully refer to HTML ID's embedded within a DataList contol?
