gridview

ASP.NET GridView, enabling/disabling buttons after paging

I have successfully implemented my GridView now, but, as always, the whole ASP.NET life cycle thing is bothering me. I can't figure out why this doesn't work. I have bound the GridView's OnPageIndexChanged as such: protected void GridView_PageIndexChanged(object sender, EventArgs e) { // Enable/disable the previous/next buttons. ...

Issue with editing in GridView

Hello, I'm very new to EW, but need to create a webpage quickly to select/update a table in a SQL database. I urgently need help with updating the databse records, please. The select portion works fine: I have two parameter fields that are passed to the select statement to retrieve the data. Both paramenters have a default value setup...

Gridview ControlState very large even when viewstate disabled and not using DataKeyNames

Hi, I have an asp:Gridview bound to an asp:ObjectDataSource. I have disabled the ViewState on the GridView, and have not set the DataKeyNames property. I have about 10 BoundFields and a few TemplateFields. These TemplateFields are not bound to server controls but to an anchor tag or to an img tag. However, at runtime, when I switch on ...

ASP.Net: Sorting, GridView BoundColumn vs. TemplateColumn

With everything else being equal, a BoundField column in an asp:GridView is sortable, but a TemplateField column is not. Why is that? <asp:LinqDataSource ID="someDataSource" runat="server" ContextTypeName="someDataContext" TableName="someTable" OnSelecting="someSelectingHandler" /> ...

asp.net - GridView dynamic footer row creation problem.

I am able to create BoundFields and Footer-rows dynamically like this in my GridView: protected void Page_Load(object sender, EventArgs e) { if (!Page.IsPostBack) { CreateGridView(); } } private void CreateGridView() { GridView1.Columns.Clea...

How do I Create Multiple Headers with ColumnSpans in a WPF GridView?

I want to "group" some columns in a WPF GridView by having an additional header row that spans a couple of the columns in the GridView. In ASP.Net with a repeater this would look like: <asp:Repeater ID="myRepeater"> <HeaderTemplate> <table> <tr> <td></td> <td colspan="2">Group 1</td> <td ...

How to tick a Checkbox in ASP.NET GridView without going to Edit mode

Hi, I have a Checkbox template column in a ASP.NET 3.5 GridView. Now the user has to click 'Edit', tick the Checkbox, then click the 'Update' or 'Cancel' button, which raises an event that we use to update database. Is it possible to just check the box without going into Edit mode at all and raise a Checked event so that we can update ...

Custom LINQ expression Gridview Bind

Hello all. I am following the good old Scott Gu LINQ to SQL guide to LINQ and have stumbled upon a query. Here is my scenario. I have a textbox a client should populate with a number (tbxHowMany), two radio buttons that define a material (radPaper & radGlass). A also have a button (btnReturn) that when clicked, a gridview (gridview1) ...

Tree Datagridview

Is anybody who knows datagirdview for c# web application or ajax that show data as tree for example I have some general information about contacts and I want to show each row has extra information like activity for that contact and ability to hide or show extra information. ording to relational database model ! ...

Gridview Sorting, Updating and Editing

Hello all - seasons greetings to you all. I really need some help as this is driving me mad. The aim. I have a textbox which a client enters a number, they click on a radio button list to select a material and hit a button to populate a gridview. This is the front end code: <asp:TextBox ID="tbxHowMany" runat="server" style="z...

GridView Control

First of all sory for my English. I have a grid control. And I want to access gridview child control from other controls. Ex: <asp:UpdatePanel ID="upPersonelAssignment" runat="server"> <ContentTemplate> <asp:Label ID="lblPersonelName" runat="server" ></asp:Label> <asp:Label ID="lblUpdatedDateTime" runat="server" ></as...

GridView paging inside an UpdatePanel or PlaceHolder components

Hello, I'm new to ASP.NET. Im developing ASP.NET C# web form which creating GridView components dynamically and filling them using the data received from my webservice. I'm creating these GridView components programmatically in server-side (cs file)- it has to be flexible - 1 GridView and sometimes 10 GridView components. The problem...

asp.net Gridview check selected index client side

Hi, how can i do this client side, OnClientClick of the btnYes will return false if the gridview selected index < 0; protected void btnYes_Click(object sender, EventArgs e) { if (gvCourseDetails.SelectedIndex == -1) { ClientScriptManager scriptManager = Page.ClientScript; scriptManager.RegisterClientScriptBlock...

Button in gridview

I'm using a button in a template field of gridview. On button click I want to redirect to another page but it throws an exception: Invalid postback or callback argument. Event validation is enabled using in configuration or <%@ Page EnableEventValidation="true" %> in a page. For security purposes, this feature verifies that argume...

how to give a grid row a row command

I want to make my gridview rows selectable. I don't like the idea of a user clicking a button or link on the grid to select the row. How can I give the actual row a row command? ...

ASP.NET GridView missing action on Update and Add

I have a gridview that shows the content of a view in the database. The database view does group by on AppName in an underlying table and the view always shows count and average and (for the remaining columns) the latest added row in the underlying table. In the gridview on webpage we only need to be able to update the latest added ro...

Update DataKeyNames field value in gridview

Hi All, I am using gridview for add and update process in database. Process Flow: Name  A   B   C  Command xx                        Add yy    12   13  13 Update zz    22   33  44 Update The first record does not have value in datakey field because there is no record in the database The Second record...

.NET Gridview themes examples

I'm looking for examples for .net gridView themes (css files) to get ideas for my grid. My grid must have a double-pager look (Bottom & Top) and should support sorting (by clicking on headers) and row highlighting when moving the mouse. The only one I found online was the Glassy Black (http://weblogs.asp.net/kevinbrammer/archive/2008/0...

GridView sorting doesn't work when I Enable Caching in Custome Paging and sorting

Hi , I have a GridView that use a stored procedure for custom paging and sorting . It's OK and works fine (Both paging and sorting) , But the problem is when i Enable Caching in ObjectDataSource like : EnableCaching="True" It properly cache every page that the user visit , But at this case when the user want to sort it raise an e...

Link loaded into my gridview try to navigate to my local server

I'm loading links into a gridview, but if they aren't appended with http:// it goes to my server. So something like www.yahoo.com when clicked would go to http://localhost:1304/.../controls/www.yahoo.com. How would I make the browser open a new window to whatever is in the link field when clicked besides doing string manipulation. I've ...