I have a GridView inside a repeater, and for all the GridView events such as ItemDataBound, etc. I can't just use the same because it doesn't recognize it. I know I have to use FindControl and type in the ID, but how?
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how I access /retrieve values of checkboxlist inside a repeater? My code is below..is it the same as if it was not inside a repeater? My other concern is how do I distinguish these checkboxes because basically what 's going to happen here is based on which checkbox is selected I need to query an xml file to get the location of a folder which I'm then going to zip up and allow user to download..So here's the breakdown. I have an accordion panel using jquery ui. Each panel hold a product and each product has the same checkboxes..so depending on which product the user wants to download files for which he/she will indicate by opening the accordion panel for that product and checking which checkboxes/file they want to download . So how will I know which product the user clicked the checkboxes for being that I'm using this repeater which just one ID?
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can I still use this code or will it not work cause it's inside a repeater..also I was going to use jquery to add an onclick event to the checkbox so how can I do that now with me using this control?
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Here's another issue..I can't even assign values to the checkboxlist using databinding..so how am I suppose to do this.. Server Error in '/ArchitectView' Application. Parser Error Description: An error occurred during the parsing of a resource required to service this request. Please review the following specific parse error details and modify your source file appropriately. Parser Error Message: Databinding expressions are only supported on objects that have a DataBinding event. System.Web.UI.WebControls.ListItem does not have a DataBinding event.Source Error:
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I have a Repeater cotnrol inside GridView row. I have a one object data source for gridview and one one object data source for repeater control.The select parametar for object data source for Repeater control is the Gridview data key for that row. I set this parametar each time GirdView row is created,and it works fine only when GirdView page size is set to one. When it is set to more that one data bound to repeater is the same for each row. It is from the last row.
View 5 RepliesI am trying to nest a gridview inside a repeater. The gridview will then display data based on what repeater it is sitting. I can get it to work fine with a repeater nested in a repeater, but not with a gridview.
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How do I do a findcontrol to find a gridview in a repeater?
I need to access a control inside a repeater and change its properties. To enable it or not. I got an erorr message Object reference not set to an instance of an object. Here is my code inside a method. protected void
rptCAP_ItemDataBound(object sender, RepeaterItemEventArgs e)
{
LinkButton lnDel = (LinkButton)rptCap.FindControl("lnkDelete");
lnkDel.Enabled = false; //<<<<< this is where the error occur
}
The name of the repeater control is id="rptCAP"
why I get this error:
Object reference not set to an instance of an object.
when I try to access a LinkButton inside a Repeater as follows:
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I have a button on a page with a Repeater and an ObjectDataSource. To give credit where credit is due, the Repeater's paging functionality is courtesy of ScottGu. (However, I'm using ASP.NET 4.0 and SQL Server 2008, as opposed to ASP.NET 2.0 and SQL Server 2005.)
Anyway, in the button's click event, I need to access the Text property of a Label that's inside the Repeater because it's used as an input parameter in a stored procedure. I'm getting a NullReferenceException when trying to access the Label's Text property. I have researched this error and have tried a few different solutions (involving FindControl and the Repeater's ItemDataBound event), but I haven't been able to get it to work. The code is below.
somepage.aspx
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I have a gridview which is present inside a repeater. I have been successful in displaying the data inside the grid view. Now I want to fetch data from the gridview. But i have not been able to fetch the data from the grid view.
View 5 Repliesgot an example of a repeater inside a repeater (dataBound) code behind?
View 3 RepliesI have a user control that displays a shopping cart in an ecommerce application.
The main cart display is a repeater that renders as a html table. In one of those table columns, there is another repeater to display people associated with the products int he cart (it's a repeater in case there is a line item >1 with multiple people).
I've added an ImageButton that I want to use to change the person associated with the item. At first, when I'd click on it I was getting this error:
Invalid postback or callback argument. Event validation is enabled using <pages enableEventValidation="true"/> in configuration or <%@ Page EnableEventValidation="true" %> in a page. For security purposes, this feature verifies that arguments to postback or callback events originate from the server control that originally rendered them. If the data is valid and expected, use the ClientScriptManager.RegisterForEventValidation method in order to register the postback or callback data for validation.
So as an experiment I disabled EventValidation on the page (not the control it's self) and now I do not get an error, but I also do not ever hit the breakpoint I set in the innermost repeater's ItemCommand event.
So I wonder how I might do this without disabling EventValidation, because this control will show up on multiple pages and we don't want to edit them all. Also, I'll need to know not only the repeater containing the control's row that the event came from but also the row index of the repeater containg this one. Is this possible?
I have repeater in which I have 2 hyperlink in the footer of the repeater and I want that the hyperlink can navigate from the page_load
View 2 RepliesI have gridview in my page that users can edit their data in gridview... and in this gridview I define label that I want when users click on Edit button it change label3.text:
below is code:
<asp:GridView ID="GridView1" runat="server" CssClass="DGridView1"
AutoGenerateColumns = "false" Font-Names = "Tahoma"
Font-Size = "9pt"
HeaderStyle-BackColor = "#e0e0e0"
OnPageIndexChanging = "OnPaging" onrowediting="EditCustomer"
onrowupdating="UpdateCustomer" onrowcancelingedit="CancelEdit"
GridLines = "Both" OnRowDataBound = "OnRowDataBound"
>
And .cs:
protected void EditCustomer(object sender, GridViewEditEventArgs e) {
Label Label3 = (Label)GridView1.Rows[e.NewEditIndex].FindControl("Label3");
Label3.Text = "neda";
GridView1.EditIndex = e.NewEditIndex;
BindData();
BindData1();
}
but here when I click on EditCustomer it doen't change label3.text
I am using Nested Repeater repeater1 and repeater2 in my project . one button is there inside repeater2 but i cant use that button using e.commandname
so how to use that button and how to write code on it.
what changed do I need to make to my code for it to achieve what I'm after.
At the moment I am getting a "cannot cast to type" error message with the below code.
I have also tried calling the ItemDataBound method in with the parent repeater tags and had no errors but when I clicked on the button it would just move back to the top of the page and would not hide or show any data. Also I have made the div style to none but the first record still shows its child but the rest don't.
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I have a dropdownlist outside the gridview control. My griview control also have dropdownlist in the first column. I want to populate the dropdownlist inside the gridview control for all rows when the selected item is changed in the outside dropdownlist.
View 2 Repliesi have a div inside a gridview. Now I need to access the div from code behind to change its background color
for some specific data.
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I am trying to access the DIV from gridview row data bound without any success.
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I have the following error
"System.NullReferenceException: Object reference not set to an instance of an object."
In datalist, I hve populated Grdiview according the Category Id. Inside Gridview , I hve checkboxes. Now i want to get the selected checkboxes names to be insrted into the database. how to get access of those checkboxes inside of Gridview.
View 9 RepliesI need Apply Acordion fot Multiple Divs With in the DataList ..
View 1 RepliesBasically as the title of this thread states, I have a FormView that has a GridView inside it and my ObjectDataSource that populates this grid cannot access the Grid.
The Control Id needs to be the name of the Grid I want to access, however through the 'wizard' the Control parameter drop down cannot 'see' the grid I need, only the FormView that is in.
I have tried numerous ways to get round this and am struggling now..
I've tried the following...
ControlID="FormView.GridView1"
ControlID="FormView.FindControl("GridView1")
ControlID="<%= GetNameOfGrid %>"
and numerous other attempts that also failed that I now cant remember...
How to bind chart in datalist dynamically in asp.net c#.
View 1 RepliesI am trying to get access the elements inside gridview by validating this requirement: if checkbox is checked then 1) Role must be selected from the dropdown 2) And the Title textbook must be filled. I am getting this error now:
Error: Sys.WebForms.PageRequestManagerServerErrorException: Object reference not set to an instance of an object.
JS
<script type="text/javascript">
function validate() {
var flag = true;
var gridView = document.getElementById('<%= gvTest.ClientID %>');
for (var i = 1; i < gridView.rows.length; i++) {
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I have create one user control of personal details, and write the geting data from database method and Load the entities in respective field,then how to bind user control in gridview and how to accecc Id of user control in aspx page.
View 1 RepliesI am having textbox UserControl inside gridview. It generates id like
ContentPlaceHolder1_gvDetails_txtPcs_1_txtTextBox_1
I am not able to calculate running total it gives NaN
<asp:UpdatePanel ID="GridViewUpdtPanel" runat="server" UpdateMode="Conditional">
<ContentTemplate>
<asp:GridView ID="gvDetails" DataKeyNames="Entryid" runat="server" AutoGenerateColumns="false"
ShowFooter="true" OnRowCancelingEdit="gvDetails_RowCancelingEdit" OnRowDeleting="ColInfo_DeleteEntry"
OnRowEditing="gvDetails_RowEditing" OnRowUpdating="gvDetails_RowUpdating" OnRowDataBound="gvDetails_RowDataBound"
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Simply, I have an anchor inside a repeater that triggers on click a javascript function, which sets the innerHTML of a Div to some content.
trying this outside a repeater did work! but if I tried to implement the same code in the repeater's item template, it won't work!
NOTE: I think I need to access the repeater first then access the Anchor inside it! but I don't know how to do it
For further illustration:
JavaScript Function:
function show(ele, content) {
var srcElement = document.getElementById(ele);
if (srcElement != null) {
srcElement.innerHTML = content;
}
}
The repeater's code:
<asp:Repeater ID="Repeater1" runat="server" >
<ItemTemplate>
Name : <%# Eval("name")%>
<DIV ID= "PersonalInfo1" runat="server"></DIV>
<A id="A1" href="#" runat="server" onclick="show('PersonalInfo1','Address : ')">More...</A>
</ItemTemplate>
</asp:Repeater>
PS: THE POSTED CODE ISN'T WORKING IN THE REPEATER!
i have a TreeView inside a Repeater, i am not sure how to get the OnSelectedNodeChanged item ie
protected void tvAssets_Change(object sender, EventArgs e)
{
selectedItemId = ???
}
