Forms Data Controls :: How To Handle Click Event Of Linkbutton In Gridview

Nov 15, 2010

how to handle click event of linkbutton in gridview in asp.net

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Forms Data Controls :: How To Handle Radiobutton Click Event In Gridview

Dec 17, 2010

i have a gridview which consists of two columns.

1. name

2. radiobutton

when ever i click the radio button, the correspondng name should be saved in a variable in code behild(c#)

the gridview code looks as below:

[code].....

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Handle Click Event For LinkButton In User Control From Parent Page?

Jul 20, 2010

I have a LinkButton within a User Control and it has handled with:

Private Sub LoginLinkLinkButton_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles LoginLinkLinkButton.Click
Response.Redirect("/", True)
End Sub

On certain ASPX pages I would like to handle the click from the page's code behind, opposed to within the user control. How do I override the handle within the control from the parent's code behind page?

Update:

Based on the answer, I have the following no added to the User Control:

[code]....

The problem is determining the correct syntax for the if line because the above is invalid.

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Forms Data Controls :: ITemplate And Linkbutton Click Event

Nov 26, 2010

In my user control I have gridview, and this grid is created programmatically, using Itemplate. In InstantiateIn methods I have this code.[Code]....

I want to wired up Click event to this LinkButton, and use this event in code behind.This is constructor of GridViewTemplate how implements ITemplate

[Code]....

and i have this call from user control:

[Code]....

where is [Code]....

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Forms Data Controls :: How To Invoke The LinkButton Click Event Programatically

Sep 23, 2010

The LinkButton on click event automatically does what I think is called a postback. What line of code do I need to use to invoke this event?

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Forms Data Controls :: Dynamic LinkButton Click Event Won't Fire?

Dec 21, 2010

I am working on an ASP.NET web application using .net 4.0 and VS2010.

I have a GridView and I am appending a row at the bottom to allow users to input data for "Adding" a new record.

The ONLY way I have found for this to work is to do this in the RowDataBound event of the grid. I can check to see if it is about to process the footer row then I know I am at the bottom and can insert this new row.

The row I am inserting contains a couple of TextBoxes and a LinkButton for the "Add" link.

If I just drop a LinkButton on my form and hook up the click event and I click the link button then the first thing that fires is the Page_Load event then my click event. However what is happening when I click the link button that was dynamically added to the GridView is the Page_Load event fires but the click event never does.

I have read 1000 threads saying to try to create the controls in the preinit() or some other event. In my case I can't. Or else someone would have to explain how to add the row to the bottom of the databound GridView.

Here is my code: (I removed creating the Textboxes because that is not part of the problem.

[Code]....

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ITemplate And Linkbutton Click Event - Want To Wired Up Click Event To LinkButton, And Use It In Code Behind

Nov 26, 2010

In my user control I have gridview, and this grid is created programmatically, using Itemplate. In InstantiateIn methods I have this code.

Select Case _templateType
Case ListItemType.Header
Dim linkButton As New LinkButton [code]....

I want to wired up Click event to this LinkButton, and use this event in code behind.This is constructor of GridViewTemplate how implements ITemplate

Public Sub New(ByVal type As ListItemType, ByVal colname As String, Optional ByVal infoType As String = "")
'Stores the template type.
_templateType = type
'Stores the column na [code]....

and i have this call from user control:bfield.ItemTemplate = New GridViewTemplate(ListItemType.Item, dt.Columns(col).ColumnName, "label")

where is Dim bfield As TemplateField = New TemplateField()

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Forms Data Controls :: How To Enable Or Disable Textbx On Click Event Of Linkbutton For Particular Row

Jun 10, 2010

i have one gridview in which their is on linkbutton and one textbox

i want to enable or disable textbx on click event of linkbutton for particular row

.aspx code

[Code]....

.cs code

[Code]....

i am able to find textbox in gridview in RowDataBound event but how to perform action on click event on textbox for individual row

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Forms Data Controls :: Creating A Click Event Handler On A Linkbutton Inside A Templatefield

Feb 16, 2011

I would like to call a method and pass a value to it on a link button autogenerated from the database in a templatefield inside a datagrid. I don't know much about delegates

protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)
{
..
((LinkButton)e.Row.Cells[(int)eMessage.TitleColumn].FindControl("btnMessageTitle")).Click += new EventHandler(delegate { viewSelectedMessage(this, 35); });
}
void viewSelectedMessage(object sender, int messageID)
{
lblTest.Text = messageID;
}

running the website and viewing the page source, I have realised that there is an OnClick event created for the linkbutton, however, this may be generated anyways. By running my solution using VS debugging, I can see that my method won't fire by clicking any of thos generated linkbuttons.

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Forms Data Controls :: Listview With Button In Item Template - How To Handle The Click Event

Aug 31, 2010

Using a listview control for the first time... I need a button for each item, and of course I need to handle the click event for the buttons... upon clicking a particular button I of course need to know which item the button is associated with so the appropriate action can be taken...

In VS, I can't select the button and see my list of available events in the properties window like is normally done for controls outside of templates like this... what do I need to do?

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Forms Data Controls :: Raise Click Event Of A Linkbutton Inside A Template Field That Was Created Programmatically

Jan 28, 2011

I need to generate a gridview with dynamic columns, on each cell I need a button that inserts-deletes a relationship in a database. The relationship is of course between what is represented by each column and row. I decided to use a gridview and create templatefields which I add programmatically to the table. I successfully got to that point but when i decided to raise a click event from the buttons or a rowcommand from the gridview I could not do it. Im looking into doing this with button fields right now but Im curious on how this can be accomplished?

Code:

[Code]....

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Forms Data Controls :: Filter GridView Based On A LinkButton Click?

May 11, 2010

I have a database of cars manufacturers and their car models. I want to have buttons above the GridView, each button listing a manufacture. When the button is clicked, the Gridview will filter the data to only show the models by the manufacturer clicked. I don't want to use a listbox or combo box, it has to be 3 rows of individual buttons or links.

I am using VB.net and I was able to do this with the dropdown box, but it is not as clean as having a row of buttons.

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Forms Data Controls :: Opening Popwindow On Click On Gridview Linkbutton?

Feb 1, 2011

In Gridview one column has linkbutton.When i click on linkbutton,open popup window and selected row will display on that page.

I tried many examples.But i did not get.Plz guide me that?

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JQuery :: Attach Event To Gridview Linkbutton Not Entire Row Click?

Feb 10, 2011

I have a gridview where, when the user clicks the row, a modal form is shown and values are passed back to the calling function. This works just fine. However, now I have the requirement that instead of clicking the entire row, they want to just click a link button on the row (not the entire row) and get this same functionality. I am new to JQuery and cannot figure out how to select the link button inside the gridview in order to attach my function to it. Also, once I have that figured out, how do I get values from the Link Button's row to pass to my modal form? Here is my jquery function which works fine for the row-click:

$(document).ready(function() {
// set the background color of selected gridview row
$("#<%=gridResults.ClientID%> tr").click(function() {
$(this).css("background-color", "PowderBlue");

[Code].....

I would like to add a field like this to my gridview and attach the above functin to it:

<asp:TemplateField>
<ItemTemplate>
<asp:LinkButton ID="lnkCallModal" runat="server" CausesValidation="False" CommandName="linkPol"
Text="Modal Search" >
</asp:LinkButton>
</ItemTemplate>
<ItemStyle HorizontalAlign="Center" Width="10px" />
</asp:TemplateField>

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Forms Data Controls :: How To Export Dataset To Excel When Click Gridview Linkbutton

Jun 28, 2010

I want to Export dataset data to excel ,when i click gridview linkbutton.

My Scenior is : Actually i am Passing a parameter from griview linkbutton.Depending on the parameter value .I want to export dataset data to excel.

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Handle An Event With LinkButton

May 18, 2010

I have a LinkButton click event in asp.net 3.5 that I must assess whether a value exists and return a alert.
I have no idea how you can do. I think we need to Ajax

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Forms Data Controls :: Capture Value Of Javascript Function Called By GridView Linkbutton Click?

Oct 22, 2010

i have gridview with linkbutton.when i click linkbutton it should call javascript function which returns value would be input for database functions. how do i capture javascript function retun value(i am using Registerclientscriptblock)? and that should be input for database function. Inshort i need to call two function from link button click - one javascript function,one ado.net function which will update value in database. output of javascript function will be input for database function.

function Getlogitudelantitude(address)
{
return "35.3434343,-74.334343"
}
Linkbutton_click(object sender,Eventargs e)
{
register javascript function .. which should return value
string s = "35.34343,-74.334343"
then call database function(s) - does database operation
}
}

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Forms Data Controls :: Dynamically Creating Gridview Template - Linkbutton Click Not Working?

Aug 25, 2010

I have written some code to dynamically generate template columns for gridview which works well. However, each cell in the gridview has to be a linkbutton, which when clicked does a db update and redirects to a specific url with some parameters in it.

I have attached a click event handler to the linkbutton in the InstantiateIn method but the event does not seem to fire.

//Dynamically creating the Grid
protected void btnAnalyze_Click(object sender, EventArgs e)

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Forms Data Controls :: Adding Multiple Controls To Gridview And Visible On Linkbutton Click?

Mar 27, 2010

Im into a situation, where, I need to embed linkbutton to gridview to display one field (TITLE) from database. It was done as I've added it in the itemtemplate. Now my situation is bit refined; I should add a text box and another linkbutton which should be disabled on page load and when ever I click that linkbutton which is displaying (TITLE) should make the textbox and another linkbutton visible by displaying corresponding values from the database in the textbox.

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Web Forms :: Linkbutton In Dynamically Loaded User Control Does Not Handle Command Event

Feb 27, 2011

I have a user control that is dynamically added to a placeholder control inside an update panel in my main page. The user control has a linkbutton where I try to handle its Command event. The first time the link button is clicked after the user control loads, the form posts back but the command event handler does not execute, although the user control is still on the screen. The second and subsequent times the link button is clicked it works perfectly. When the user control first loads and I mouse over the link button, the browser status bar says: javascript: __doPostBack('ctl08$lbTest',''). After the first click, when I mouseover the link button the browser status bar shows javascript:__doPostBack('ctl07$lbTest',''). Why the changed in id, I can't figure but it must be why it is not hitting the event handler the first time it's clicked. Here is the cs code that loads the user control:

[Code]....

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Forms Data Controls :: Gridview Is Not Working When Firing Event From Templatefield Linkbutton

Jan 21, 2010

Gridview is not working when firing event from templatefield linkbutton

[Code]....

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Forms Data Controls :: GridView Dynamic Footer LinkButton Event Not Fired On Last Page?

Oct 28, 2010

So I have a GridView control with autogenerated column set to true, it also has autogenerated Edit and Delete buttons, sorting and paging, and also I am binding this same gridview to multiple data sources at runtime. All is working well.

Now I am adding a dynamically generated footer row at runtime. This footer row will allow users to add new record regardless which data source it binds to. So it is working as well except there's a small bug I couldn't figure out why. It's when I navigate to the last page of the gridview, if the rows on the last page is less than the page size, for example, I have page size 10 and the rows in last page is 9, then when I click the 'Add' linkbutton, the Add event does not fire, instead, it fill the last page with additional blank rows, that means if the last page has 5 rows, it will fill 5 blank rows below, if it has 9 rows, it will fill 1 blank row below. Then if you click the add again, it will work. If the last page already has 10 rows then, it works just fine.

Below is the code I used to dynamically add footer row:

[Code]....

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Data Controls :: Display GridView Row Details In Label On LinkButton Click?

Aug 30, 2013

I have to taken Template field value "EmpNo" in Gridview, When I click every employee no then its display in label How. I use RowDataBound event but RowDataBound event not read Template field.

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Forms Data Controls :: Gridview Fired Sorting Event Without Handle On Statement "helper.ApplyGroupSort()

Jan 25, 2010

I have problem with gridview sorting. I am using online example to sort a grid view. see the link [URL] but I always got an error "The gridview fired sorting event without handle" on this statement "helper.ApplyGroupSort();"

<table width="100%">
<tr>
<td colspan=3><asp:Label id="category_name" Runat="server"
ForeColor="#ff0000" Font-Bold=true /></td>
</tr>
<tr>
<td colspan="3" align="center" width="100%">
<asp:GridView ID="dg_drawings"
runat="server" AutoGenerateColumns="False" EnableViewState="False" CellPadding="5" CellSpacing="0" Width="90%"
>
<Columns>
<asp:BoundField DataField="Description"
SortExpression="Description" />
<asp:BoundField DataField="sub_description"
SortExpression="sub_description" />
<asp:BoundField DataField="drawing_id" InsertVisible="False"
ReadOnly="True"
SortExpression="drawing_id" />
<asp:BoundField DataField="DRAWING_DESCRIPTION"
SortExpression="DRAWING_DESCRIPTION" />
<asp:BoundField DataField="DWG_URL" SortExpression="DWG_URL" />
</Columns>
</asp:GridView>
</td>
</tr>
</table>

Here is my C# code

public partial class listDrawings : System.Web.UI.Page
{
admin _admin = new admin();
private GridViewHelper helper;
int categoryid = 0;
protected void Page_Load(object sender, EventArgs e)
{
if (Convert.ToString(Session["logged_in"]) == "1")
{
ph_header.Controls.Add(LoadControl("../controls/builder_header.ascx"));
}
else
{
ph_header.Controls.Add(LoadControl("../controls/header.ascx"));
}
/*if (Convert.ToString(Session["details_hit"]) != "1")
{
_admin.add_page_hit("Standard Details");
Session.Add("details_hit", "1");
}
*/
string categoryidStr = Request.QueryString["categoryid"];
string category = Request.QueryString["category"];
//int categoryid = 0;
if (categoryidStr != null)
{
categoryid = Convert.ToInt32(categoryidStr);
}
category_name.Visible = true;
category_name.Text = category + " Drawing Details";
get_category_drawings(categoryid);
}
protected void get_category_drawings(int categoryid)
{
OracleConnection myConn;
OracleCommand myCmd;
if (categoryid == 3)
{
myConn = new OracleConnection(ConfigurationManager.AppSettings.Get("oracle"));
myCmd = new OracleCommand("DRAWINGS.GET_STAR_SUB_DRAWINGS");
myCmd.CommandType = CommandType.StoredProcedure;
myCmd.Connection = myConn;
myCmd.Parameters.Add(new OracleParameter("iCATEGORY", OracleDbType.Int32, ParameterDirection.Input)).Value = categoryid;
myCmd.Parameters.Add(new OracleParameter("iSUB_CATEGORY", OracleDbType.Int32, ParameterDirection.Input)).Value = 0;
myCmd.Parameters.Add(new OracleParameter("oDRAWINGS", OracleDbType.RefCursor, ParameterDirection.Output));
}
else
{
myConn = new OracleConnection(ConfigurationManager.AppSettings.Get("oracle"));
myCmd = new OracleCommand("DRAWINGS.GET_STAR_DRAWINGS");
myCmd.CommandType = CommandType.StoredProcedure;
myCmd.Connection = myConn;
myCmd.Parameters.Add(new OracleParameter("iCATEGORY", OracleDbType.Int32, ParameterDirection.Input)).Value = categoryid;
myCmd.Parameters.Add(new OracleParameter("oDRAWINGS", OracleDbType.RefCursor, ParameterDirection.Output));
}
try
{
myConn.Open();
this.dg_drawings.DataSource = myCmd.ExecuteReader();
dg_drawings.DataBind();
helper = new GridViewHelper(this.dg_drawings);
string[] cols = new string[2];
cols[0] = "Description";
cols[1] = "sub_description";
helper.RegisterGroup(cols, true, true);
helper.ApplyGroupSort();
}
catch (OracleException ex)
{
if (categoryid == 3)
{
_admin.send_email("resources/listDrawings.aspx", "DRAWINGS.GET_STAR_SUB_DRAWINGS", ex.Message);
}
else
_admin.send_email("resources/listDrawings.aspx", "DRAWINGS.GET_STAR_DRAWINGS", ex.Message);
Response.Redirect("~/error.aspx");
}
finally
{
myCmd.Dispose();
myConn.Close();
myConn.Dispose();
}
}
}

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Data Controls :: GridView Data Gets Cleared On LinkButton Click?

Oct 22, 2013

I have one gridview and bind the data from database and add extra link button in gridview column,when I click on link button then open new page but grid is cleared automaticaly,I don't want to clear grid

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