Web Forms :: Getting Values From Gridview Buttons / Hyperlinks
Aug 3, 2010
I am a complete noob to ASP.NET (C# based) and have migrated from PHP (I have mentioned this a few times but I feel I have to 'cos some of the questions I ask seem so basic!)
I have page (Products.aspx) it has a grid view using products from the northwind DB, the grid view is paged to show 'n' products at a time and has an extra column which is basically a 'view this product' hyper link, the user can click on this link and is taken to another page (Product.aspx) which provides complete details for that particular product, so, this is what I want to do next, I want to add a button that takes the product ID, (or other unique property of the product - it doesnt really matter at the moment, but i am likely to stick to ID).
Then take that value and place it in a cookie, (I know that session variables are held in cookies, that is not really a problem at the moment, I am concentrating on basics, then I will go a little more advanced).
so, I have a button - call it productIdBtn, and its value, which is going to be the product ID, in the button on click handler, how would I add this value to a cookie - call it prodIdCookie?
I am having to re-learn everything from the ground up and because PHP is so simple to write (mainly because of its weak typing),
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Feb 8, 2012
Got a problem that I spent all last night working on and still couldn't get it. I create this table dynamically. Then I have a text box and a button. You enter the name of a table in the text box and then click the button and that will call the MSSQL server and load the corresponding table. That works fine no problem.
Then I decided to create another table that lists the tables that are on the SQL server and create a hyperlink on each name of the table. So now all the user has to do is click the name of the table save the name of the table they clicked in the querystring and it will call the same procedure as the button. I'm getting a Findcontrol error that's telling me that two id's have the same id's when I click the hyperlink and then try to load through the button. It's duplicating the controls. I've tried clearing the viewstate, and session states and that still doesn't work. Has something to do with how hyperllinks and buttons work.
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Mar 4, 2011
I develop a custom data pager control. Its "previous" and "next" hyperlinks buttons don't work properly and I don't understand why.
[code]...
I need to develop my own paging light control. Don't suggest me to use other paging controls.
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Jun 17, 2010
I guarantee the title of my thread does not explain what I am looking for, but I just can't think of a better way to word it. What I have right now is an application that the user can add, search, and update various orders in the System. I've been working on the front end page, and wanted to display a summary of all orders performed this month. Right now the Orders are represented as labels (based on data pulled from the database). What i'd like to do is replace these labels with hyperlinks. I was hoping that by doing that I could somehow write some code so that when an order is clicked that the user is taken directly to the search page and that order is displayed.
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Oct 7, 2010
I have a report, in this report I have link to other report to generate the PDF versions. It all works except when I pass multiple values from the a dropdown parameters. Here is what I have tried, the first one works, but only returns the first users information, it ignores 1074 and 1106.
Expression: ="balbla...rs:Command=Render&StartDate=" & First(Fields!ThirtyOneDaysAgo.Value, "GetDates") & "&EndDate=" & Today & "&UserID=" & cstr(join(Parameters!UserID.Value, "&UserID="))
Renders: &rs:Command=Render&StartDate=9/6/2010&EndDate=10/7/2010&UserID=1121&UserID=1074&UserID=1106
Expression: ="balbla...rs:Command=Render&StartDate=" & First(Fields!ThirtyOneDaysAgo.Value, "GetDates") & "&EndDate=" & Today & "&UserID=" & cstr(join(Parameters!UserID.Value, "%2c"))
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IE Error: The value provided for the report parameter 'UserID' is not valid for its type. (rsReportParameterTypeMismatch)
Expression: ="balbla...rs:Command=Render&StartDate=" & First(Fields!ThirtyOneDaysAgo.Value, "GetDates") & "&EndDate=" & Today & "&UserID=" & cstr(join(Parameters!UserID.Value, ","))
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IE Error: The value provided for the report parameter 'UserID' is not valid for its type. (rsReportParameterTypeMismatch)
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Apr 1, 2010
I am trying to get a hyperlink to show up in each field of the "Title" column in the gridview below, but it doesn't render as a hyperlink:
ID
Title
City
State
115779
<a href=job_details.aspx?jobID=115779>Online Advertising Inventory / Yield Manager (773044)</a>
Washington DC
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Washington
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Washington
DC
Here is the behind code:
[Code]....
And here is the webform code:
[Code]....
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Apr 28, 2010
I have a gridview with a hyperlink control that allows the user to save pages to it (www.google.ca, asp.net, etc). Unfortunately it always adds the server name to the beginning of their link. [URL] I was wondering is there any way to change that within the control. or should I have it pass a query string to a url handler that will response.redirect them to their actual page?
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Aug 20, 2010
In the following code i have to continuing showing the rows of the gridview as links. For example: the user will click on a customer and will see more detailed information.
protected void Button1_Click(object sender, EventArgs e)
{
//List<Customer> customersresult = new List<Customer>(); does not match the type here
CustomerWebServiceClient.Customer[] cust;
CustomerWebServiceClient.CustomerWebService client = new CustomerWebServiceClient.CustomerWebService();
cust = client.GetCustomerContract(TextBox1.Text); //coming across now..
//if (cust.va) validate if there is data
GridView1.DataSource = cust;
GridView1.DataBind();
}
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Jan 20, 2011
I need a GridView with 6 columns, one of which ("ItemID") is a HyperLink who's URL and text is determined from the C# code as I will get that data from an SQL database
INITIALLY, what I wanted to do, which would have been easy as pie, is:
[Code]....
HOWEVER, this does not work because every row in the Item ID column is filled with "System.Web.UI.WebControls.HyperLink". Apparently, this is what the HyperLink's toString() method returns. Apparently, you can't just throw a HyperLink into a DataRow and call it a day. I need to know how to make this ItemID column into such a HyperLink. It doesn't necessarily HAVE to be a HyperLink control, it just has to be able to call my javascript function on the aspx page, "popUp(URL)"
To give you a visualization of what I'm trying to achieve: this is a change log for an inventory system. The ItemID column indicates what item was altered. However, simply just having a number there doesn't say much, so I'm trying to create a link with the text, for example, "42 (motherboard x)". In other words reader["ItemID"] + " (" + reader["Description"] + ")", and that link will run a javascript function I have called popUp(URL) which takes a URL and opens it in a new window of specific size and location, to view that item's details.
I've tried various other methods such as disabling AutoGenerateColumns and manually create a HyperLinkField, but to no avail, because I couldn't get it to run my javascript function that way.
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Mar 8, 2011
we're creating a GridView to display news articles programmatically (not using a SQL database).
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of the articles in the GridView. Below is our .aspx code and .vb code of how we create the GridView. Any ideas on what we should do to get the hyperlinks array of strHyperlinks() in SetupGrid() to be applied to the titles in column 1 of the GridView?
[Code]....
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Jan 6, 2010
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May 10, 2010
I have a stored procedure (For Eg: sp_GetAvlData) that accepts a number of parameters, 3 of which are TimeFrom, TimeTo (as varchar) and TimeInterval (as int), formulates a Dynamic query and executes itself. So for instance, if I call the proc as follows:
[code]....
dtAvl is the datatable containing the results of my stored procedure.
The next step for me is to make each of the cells (except the cells in the first column) as a Hyperlink so that when clicked upon a cell, it populates 2 textboxes with the selected Timeslot and Name or ID (ID field is not displayed in Gridview). The textboxes are located on the same page but outside of the Gridview control.
The Challenge that I'm facing out here are:
1) As you can see, the field names being generated are not fixed and I have no control over them.
2) Because the field names are not fixed I'm not sure I can implement this using the Templatefields or BoundFields of Gridview.
Is there any way to achieve the Hyperlinking of these cells within the Gridview?
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Mar 23, 2011
I have a requirement to create multiple hyperlinks dynamically in a single GridView Column. The number of hyperlinks are not not known in advance and will depend on the results brought up by a query. How do I create the same?
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<asp:TemplateField HeaderText="Name">
<ItemTemplate>
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</asp:TemplateField>
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Dim strName As String = CType(e.CommandArgument, String)
Response.Redirect(String.Format("Test.aspx?id={0}", strName, False))
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CODE ON PAGE II:
Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
LblName.Text = Request.QueryString("id")
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Mar 24, 2011
I need to create dynamic radio buttons in my page, and then access their values in postback
I create the buttons using the following code:
[Code]....
In the post back I try to access the radio buttons using their created ID:
[Code]....
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Jan 17, 2011
I have a DataTable which has columns that are generated dynamically at runtime. This DataTable is bound to a GridView that has AutoGenerateColumns set to true. I've run into a problem with this since some of the data in the DataTable are HyperLink objects, so instead of displaying the actual link in the table, it displays "System.Web.UI.WebControls.HyperLink".
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Dec 21, 2011
I would like to transform the data in the column into hyper link. Let's say if i have "apple" in my column , when clicked on it i wud like it to go to "microsoft.com/apple".
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<asp:TemplateField HeaderText="Status">
<EditItemTemplate>
<asp:TextBox ID="txtStatus" runat="server" Text='<%# Bind("Status") %>' Width="60" Font-Size="8" Font-Names="tahoma" ></asp:TextBox>
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<ItemTemplate>
<asp:Label ID="Label12" runat="server" Text='<%# Bind("Status") %>'></asp:Label>
</ItemTemplate>
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May 17, 2013
how can i export by remove the coloumn and rows hyperlink when export to CSV
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May 12, 2013
When I am trying to export data from gridview to excel i an also getting hyperlink along with that, how can i remove that before export. below is my code
<div align="right" style="padding-top:5px; padding-right:5px">
<span title="Export Data to Excel"><asp:ImageButton ID="btnExporttoExcel"
runat="server" ImageUrl="~/img/Excel_Logo.png"
onclick="btnExporttoExcel_Click" /></span>
<span title="Export Data to Word"><asp:ImageButton ID="btnExporttoWord"
[Code] ....
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Feb 17, 2012
What's the best way to handle three radio buttons on a page and when they are clicked the gridview will populate? I only want to use one gridview.
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I am getting int values from the stored procedure. But when i bind this datasource with the gridview i am seeing the values being converted into float. i am using Text='<% # Bind("Quantity") %' I wanna that to be displayed as int, with out zero'seg: let the value be 233, when i bind that its getting displayed as 233.00
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I have a gridview which on the left hand column it will be the Select button, but I think when we did this in Gridview, it will select mulitple button (it's like a checklist). I have made some changes, but I still cannot get the button to select only 1 row instead of multiple.
[Code]....
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Jun 17, 2010
disable an Add button in a gridview when the Edit or Delete button is clicked.?
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Dec 27, 2010
We have a page the we have to write where users are shown 'pages' of data from our database they then select the row they want and we take them into another part of the application where they can work with the data.
When we use the built in paging (in the gridview) it is just too slow, as there is too much data.
We have written paging into our stored procedure that gets the data to work around this. The stored procedure works just fine and it is quite fast.
How can I get 'paging' buttons into my gridview when I am not using the built in gridview paging?I can keep it simple if I have to (next and previous only) but it would be better to have a 'first', 'previous', 'next', 'last' type buttons.
I cannot seem to figure out how to get these buttons into the gridview however.
some sample code (preferably vb) that would show this? (or something similar)
Built in paging is not an option.
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Mar 11, 2010
i want to add a button to each record, and pull an item ID when the button is clicked.I tried doing it using the RowCommand, but I keep getting errors.Is there a different (better) way of doing this?here is what i have now:
[code]
Public Event RowCommand As GridViewCommandEventHandler
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