Forms Data Controls :: Using Datakeys In A Gridview?

Jul 16, 2010

I have a gridview with a linkbutton in each row. When I click the linkbutton it should update the status of a field from enabled to disabled. I am using a stored procedure to achieve this but i need to pass in a ApplicationID which i am retrieving from the gridview through the use of datakeynames. I am using the code below to get this value into a variable.

iAppID = gvApplications.DataKeys(gvApplications.SelectedIndex).Values("iApplicationID")

However when it runs it gives me the following error:

Index was out of range. Must be non-negative and less than the size of the collection. Parameter name: index

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Forms Data Controls :: Use Multiple Datakeys In Nested Gridview?

Jul 22, 2010

my page based on master and Details. there are two gridview one is header and other detail.detail gridview is inner gridview.so when i click on + symbol then details should diplay.i use dataKeys for display Inner gridview record.when i use one datakeys then it is working fine but i need two condtion for show Inner Gridview. how can use multiple datakeys here?my HTML code is below. just modify it for multiple Datakeys

[Code]....

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Forms Data Controls :: How To Clear Datakeys Of Gridview In Code Behind

Feb 15, 2010

i want to clear datakeys of gridview from code behind

here is gridview

<asp:GridView ID="gv" runat="server" DataKeyNames="row_ID" AllowSorting="True" AutoGenerateColumns="false">
</asp:GridView>

and i added columns dynamically from code behind

[Code]....

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Forms Data Controls :: Fetching Datakeys From The Child GridView?

Aug 31, 2010

I am trying to update a row of the child gridview through a link button template field but how do I fetch the datakeys of the child gridview ?

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Forms Data Controls :: Gridview Paging Clears DataKeys?

Jun 21, 2010

I'm using a Gridview with Paging enabled. Also i'm using the Datakeys in Gridview. I can able to get the DataKeys values on first page. But when i click on the second page, i'm not able to get the DataKeys values. How to get the DataKeys values on Paging.

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Data Controls :: How To Get DataKeys Value Of Parent GridView On Nested GridView Button Click

May 7, 2015

URL....When the user creates a new child record (2nd gridview) how can I ibsert a field from the parent level (obviously from the line where they clicked from).

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Forms Data Controls :: How To Access Datakeys In Javascript

Aug 24, 2010

How To Access Gridview's Datakeys In Javascript...and How To make gridview Column Visible true in javascript

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Forms Data Controls :: Datagrid Datakeys Seem Not To Work Properly

Mar 9, 2011

I have a Datagrid one of the colums is a checkbox and when it is selected I' m supposed to update that row. I have a button to update this outside the Datagrid. It seems to work well for the first two rows but after that meaning starting 3 to any it just doesnt update no errors but doesnt update. When I look into the id it seems to be empty.

Private Sub btnInactivateAllSelected_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles btnInactivateAllSelected.Click
'
'Function declarations
Dim currentMethod As String = MethodBase.GetCurrentMethod.Name
'Object declarations
'Variable declarations
Dim ruleID As Guid = Nothing
Dim oRule As PSXSTL.Digecenter.Rule = Nothing
Dim changetext As String = Nothing
'Start Try...Catch statement
_moduleName = "btnInactivateAllSelected_Click"
Try
For Each item As DataGridItem In GroupDataGrid.Items
If CType(item.FindControl("chkApprovalCheck"), CheckBox).Checked = True Then
ruleID = GroupDataGrid.DataKeys(CInt(item.ItemIndex))
oRule = New PSXSTL.Digecenter.Rule(DirectCast(Session("CustomerID"), Guid), ruleID)
If oRule.Complete Then
oRule.RuleStatus = False
oRule.ActiveDate = Now.ToString
changetext = "On " + Now + " " + Session("FirstName") + " " + Session("LastName") + " deactivated the Rule."
If Not oRule.ProofReviewed Then
changetext = changetext & " PDF not viewed"
End If
LogEditHistoryItem(changetext, ruleID)
' Call
' added 10/19/2004 by Rob MacMorran
LogBulkOrderHistory(oRule)
oRule.Update()
End If
oRule.Dispose()
End If
Next
' Server.Transfer("customer_clientrules_results.aspx")
Catch ExceptionObject As Exception
'Write the exception out to the event log.
EventLogHelper.LogException(ExceptionObject, _moduleName, "Error occurred in " & _moduleName & "/" & currentMethod & ControlChars.CrLf & ExceptionObject.StackTrace, EventLogEntryType.Error, 55555)
Finally
'Cleanup
'Object disposal
If Not oRule Is Nothing Then
oRule.Dispose()
oRule = Nothing
End If
'Variable disposal
ruleID = Nothing
changetext = Nothing
'Function variable disposal
currentMethod = Nothing
End Try
Server.Transfer("customer_clientrules_results.aspx")
End Sub

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Forms Data Controls :: ListView Paging Dies Using Datakeys?

Mar 19, 2010

I've got a big problem here with the ListView control. Basically I've got very basic code, yet it seems to break the control completely.

Here's the deal, I got a simple ListView using an ItemTemplate containing a hyperlink. Obviously the hyperlink has to lead somewhere after clicking, so the datakeys enter the scene since I need to hook up a hyperlink containing the Id of the record it's in as a parameter.

Normally this shouldn't be a problem, so in the itemcreated event I look up the link control and add the url using data foud in the datakeys.So far so good, this all works out fine.

Now this contains a number of records, too many to display on one page, so I decided to implement paging by using a DataPager, which is the way to get the ListView to support paging. This didn't work.

After a little tinkering around with the code, I found that if I didn't get any datakeys in the itemcreated event, that it all works fine. However, I need to use the datakeys or I won't be able to hook up a url to the hyperlink.

Basically, that one line of code completely kills paging. Commenting it out immediately sets things right, but that's not an option.

[Code]....

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Forms Data Controls :: DataKeyNames & DataKeys Not Working On Other Pages?

Feb 21, 2011

When the page is displayed have labels, textboxs, and dropdownlists on top part of the page then the gridview at the bottom with the page numbers at the bottom of the gridview. Create the columns and add data to the gridview programmatically with several hidden columns. Use DataKeyNames on the source page and use DataKeys in VB.Net code behind to get data from the hidden column cells of the selected row. On the
first page when a row is selected, the textboxes and dropdownlists have thecorrect information from the gridview hidden columns. When select another page from pages numbers at the bottom of the gridview and select a row from the new page, get theinformation from the hidden column from the first page andcorrect data from the columns that are displayed onnewly selected page.

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Web Forms :: GridView DataKeys - Index Was Out Of Range Must Be Non Negative And Out Of Collection

Aug 7, 2012

I have my grid view and its code is as follows

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="NewCampaign.aspx.cs" Inherits="NoticeBoard.WebForm1" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml"><head runat="server">
<title></title> <style type="text/css"> .style1

[Code] .....

Basically it is the form when user enter all the data and press the submit button then the data will appear on the grid view . On grid view there is option edit when i edit the row and press the update button then the following error will occur

int cid = Int32.Parse(noticeDetails.DataKeys[e.RowIndex].Value.ToString());
"Argumentout of range exception and was unhandled by user code.
Index was out of range must be non negative and out of collection
the aspx.cs code0

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Forms Data Controls :: Values From Multiple (non Primary And Primary) Datakeys?

Mar 6, 2011

I have the following gridview (ID=Gridview1)

I have added pid (primary key), chkblood,chkurine,chkstool,chkmalaria as datakeynames.

what I want to pull off here is .... when I click select I'll be redirected to this wizard

[Code]....

I did that....now I want to hide / skip steps in the wizard depending on the condition of checkboxes (chkblood, chkurine,chkstool,chkmalaria)

but I cant get the value from these non-primary datakeynames...

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AJAX :: Datakeys Of A Gridview Inside Accordionpane

Sep 10, 2010

I add a gridview into a accordionpane in a accordion. And I bind data to this gridview and define a column as a datakeyname and make it un-visible. However when I get the datakeys[index] in the behind code, there is an error that "Index was out of range".But I am sure the index is not out of the range, and when i debug i see the count of the datakeys is 0

I don't know why this error happens?

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CS1955: Non - Invocable Member "System.Web.UI.WebControls.GridView.DataKeys" Cannot Be Used Like Method

Mar 14, 2011

Back in my vb.net days, I had a gridview, that when a user clicked a select button in a templatefield, I could determine the row that the user selected. Trying to do the same in C#, but am lost in translation somewhere as it throws this error when trying to get the value. This is what I have, but it throws an error.

[Code]....

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DataSource Controls :: Mapping SqlDataSource Parameters To Formview With Multiple DataKeys?

Sep 1, 2010

a FormView that is linked to SqlDataSource1a Repeater control (inside the formview) that is linked to SqlDataSource2Thus representing a simple "1 to many" or "parent/child" relationship in the database!qlDataSource1 is simple in that it just retrieves a straight set of records from a table and they are displayed back in the FormView (nothing special happening there).SqlDataSource2 has parameters that filter the contents of the repeater based on the record that is shown in the Formview. This would normally be simple enough to set up by setting the parameter to the formview.selectedvalue property.HOWEVER - THE PROBLEM ARISES...The formview has multiple DataKeyNames because the table that the SqlDataSource1 links to has a compound key. So to filter the Repeater correctlySqlDataSource2 needs to map 3 parameters to 3 data key values in the formview.Any ideas how to do this?I've tried setting the SqlDataSource2 parameters to:

<SelectParameters>
<asp:ControlParameter ControlID="FormView1" Name="Parameter1" PropertyName="DataKey(0)" />
<asp:ControlParameter ControlID="FormView1" Name="Parameter2" PropertyName="DataKey(1)" />

[code]...

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C# - Use DataKeys And DataItemIndex?

Oct 18, 2010

I need some advice how to use DataKeys and DataItemIndex fro a GRIDVIEW.I need take the values for an item "ROW" in a "GRIDVIEW" and associate it to "MembershipUser".I get an error "Make sure all arguments to this method have valid values as defined by the invoked method."

protected void uxRoleCheckBoxSelector_CheckChanged(object sender, EventArgs e)
{
CheckBox activeCheckBox = (CheckBox)sender;

[code]...

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C# - Find Datakeys In Oncheckedchanged Event ?

Jun 14, 2010

<asp:Panel ID="pnlFocusAreaPanel" runat="server" GroupingText="Focus Area" Width="800">
<table cellspacing="0" cellpadding="0" width="750">
<tr>[code]...

i want to know how i find the datakeyvalue on checked event because updateQuery in checked event is generating exception.

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Forms Data Controls :: (Grid View Union Gridview) - (Gridview Intersection Gridview) - Avoiding The Duplicates

Jul 19, 2010

I have two gridviews, say 'A' and 'B'...I want to add all the rows of 'A' to 'B' while avoiding the duplicates....For eg:

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Forms Data Controls :: Show Child Gridview In Parent Gridview Using Nested Gridview

Dec 1, 2010

In nested gridview, i am finding some problem, i want to show child Grid headers in Parent Gridview. Can anyone tell me that how it is possible? Its very urgent. Waiting for quick response.

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Forms Data Controls :: Gridview SelectedIndex / Unable To Access The Data In The Gridview's Selected Row

Jul 31, 2010

I am unable to access the data in the gridview's selected row. I have done this lots of times but must be forgetting something.

Here is my gridview:

[Code]....
[Code]....
[Code]....

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Forms Data Controls :: Access Controls Inside Gridview When An Event Outside Gridview Fires?

Jan 10, 2010

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.

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Forms Data Controls :: How To Show GridView Footer Visible, If No Data In GridView

Jan 17, 2010

I have a customized gridvew i.e. grvResult. There is a textbox and a InsertButton in the footer.

If there is a data populated into gridview it is showing GridView footer and inserting data but if there is no data in gridview then its footer also not visible.

I have tried in two ways to make footer visible but it is showing following error:

Object reference not set to an instance of an object.

Tried ways:

[Code]....

[Code]....

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Forms Data Controls :: Gridview To Excel (adding Data Outside Of The Gridview)

Jan 28, 2011

I was wondering if it is possible to add additional data to Excel document created from gridview. What I want to do is to manually add data to certain rows and columns (date, couple of titles, etc), but I'm not sure how to do it.

Currently I'm using the following code:

[Code]....

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Forms Data Controls :: Transfering Data From One Gridview To Another Page Gridview?

Apr 14, 2010

iam using asp.net with c#, my grid contains 1st column is check box ,and paging is true ,iam displaying data from view that does not contain primary key, so based on this when user selects the no of checkboxes in 1st page and in another page some records then i want to transfer to another page gridview but it is not displaying. can you correct my code where iam going wrong

string constr = "Data Source=MAINSERVER;Initial Catalog=Inventory;User ID=sa;Password=nsg";
protected void Page_Load(object sender, EventArgs e)
{

[code]...

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Forms Data Controls :: To Add Insert Button To A GridView And A Scroll Bar To A Given Gridview Column?

Jul 9, 2010

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