I'm creating in my code a list of object which must be displayed later in a table.
In Winforms I'd simply bind the DataGridView to the list, and everything is fine.
However, when I try to set the GridView's data source to the list, nothing happens, and I can't find a way to do this with any of the procided data sources(Such as ObjectDataSource, etc.).
I have a List of Customers. Now I want to display these customers in a gridview and that is easy. I just set the datasource and use the databind method of the gridview. (I use template fields). But now I want to display FirstName and LastName of the customer as one column.I am aware of how to use the rowdatabound event to manipulate the gridviewrow's controls, but I am not sure how to gain access to the customer object within this method.So here is some code which of course not works.
protected void grdVirtualCustomers_RowDataBound(object sender, GridViewRowEventArgs e)
{
System.Web.UI.WebControls.GridViewRow row = e.Row;
((Label) row.FindControl("lblName").).Text=Customer.FirstName + " " Customer.LastName;
}
have some Objects, lets say Employee and Role defined as below and I have defined relationships in my database that gives me a list of objects say employees and thanks to my framework each employee object also has a Role object linked via the RoleIDID, UserName, Password, Email, RoleIDRoleID, RoleNameSo in code I can do something like this
Employee emp = dataService_GetEmployeeByID(1);
string RoleName = emp.Role.RoleName;
Now here is my problemI can bind any object in a repeater and it works fine for the first level in my relationship
For instance <%# Eval("UserName") %>
But I need to be able to show the details for my child objects as well (Role) so something like this (which does not work)
<%# Eval("Role.RoleName") %>
I know how to bind a simple objects to a dropdown list. However I am having problems binding my objects which contains sub objects to the control.i.e. with simple object i just do ddl.DataValueField = "myproperty"
with my objects they contains sub objects which i want to bind. I have tried ddl.DataValueField = "sub-object.myproperty" which doesnt work.
i seem to have a problem with my gridview, i have a gridview with a list of names, this gridview is assign to a datasource and the datasource already has a select statement to display a list of names to my gridview, and i have a search dialog which i use to filter data to be displayed on my gridview, my problem iS after filtering , when a user select a certain row the gridview refreshes and display the initial data(it binds again the use the default setted select query). On my search i use
SqlDatasourceName.SelectedComman = filterQuery;
SqlDatasourceName.DataBind();
GridviewName.DataBind();
to filter the grid according to my search criteria, which is the one i have assigned its select to the string varieble filterQuery.
That works fine, and dispaly only d data i setted my search to retrieve, bt my problem is when a user select a row on d gridview , d gridview is repopulated with d initial data(Use initially datasource select statment). How to make d grid to stick to d select statement that i setted on my search and not letting it to go back to the initial setted select.
I am making my first attempt at using RenderPartial to display a list of objects, but so far having little success. Here is my code, can somebody give me some guidance on what I am doing wrong?
[Code]....
How can I bind a datalist control with a list of objects. I have a list of objects that contain a name, desc, and url for menu commands that I am trying to show in a DataList. I am getting the list from a WCF service so I have a list called something like menuList which consists of a List<MenuCommands>. I then do a menuDataList.DataSource = menuList and then a menuList.DataBind but nothing is happening. What am I missing here? I need to use a DataList because I need the commands to be selectable.
View 11 RepliesI'm having trouble figuring out how to display a gridview based on the selection of a drop down list. I manually entered the drop down list items, but in the configure/choose data source I don't understand how you make a relationship between each list item and the corresponding database table you want to show.
View 7 RepliesI'm tyring to bind a list of Dictionary objects to ListView, but for some reason it returns me an error, ItemTeplate
[Code]....
Code Behind
[Code]....
error says
[Code]....
I have a Database and In This Database I have store Comma Separated Images in gridview
eg ID             Name                        Images
     1               War               image1.jpg,images2.jpg,image3.jpg
I know How to Display image in gridview but how this....
MyGridView.DataSource = <<<what kind of objects here?>>>
DataTable works. What else?
I have been reading alot about this and for some reason I am just not able to grasp the concept. Hopefully someone here can enlighten me.As an example situation I have a collection of strongly typed User objects that represent a database table, and some properties that represent its columns: UserID(PK), Username,FirstName,LastName, etc..Here are some of my requirements/goals:1. Users/Objects needs to be bound to the gridview programatically.2. I do not want to update the database right away, I only want the underlying collection to be updated. I would like to call the database update method myself when I am ready.
3. I do not want the primary key stored on the client side.Summary:So I bind a List<Users> to a gridview with the appropriate bound fields set up, I exlude bound fields such as primary key because I don't want it being changed/hacked by the client side. When I edit and update a row it is saved back to the collection of objects. I will iterate through the objects manually at a later time and commit them to database.
Questions:1. Can I cast a gridview row directly back to my object, in the RowUpdating or RowUpdated events? I am assuming I can't... So....2. How can I reference back my original collection if the gridview does not contain a primary key?3. Where do I store my collection, should it be in Session or should I recreate it on each postback?Sorry if any of this is confusing, let me know if you need clarification.
I have a many to many table in my database called PeopleLanguage
PeopleId, pk and Languags pk each go to the own table People and Language
I know make a method call with my objectdatasource GetPeopleByLanguageId
This returns the languages that the selected person speaks and has a select
query also to lanaguageTable to get LanguageName.
I now print out the results in a datalist that is binding to LanguageName.
What i want to do is show the languages in a horizontal format with a comma after each one.
At the moment if there are 3 languages it shows each one on a seperate line / if I make it horizontal
layout I still dont get a comma. Perhaps I can use a repeater?
I have web form and on it I have a DataList that is grabbing some Data from a Database and displaying them as a list.However when I look at the HTML Source Code produced, it's all Tables ! <td> and <tr> !!
How can I stop this ? I want my DataList to display the data like so:
[Code]....
I have a problem with binding a DropDownList. Let's assume a database five years old with many historical records. In order to enable just working with active data every datasource has a column hidden which is occasionally set by administrator in order to clean up old records. The selection looks like
1) SELECT Id, Value FROM Table WHERE Hidden = 0
The issue arises when the user opens a form with old data. As some records in DropDownListhave have already been hidden an exception is raised as the component cannot find the data for the list. For this case the following selection is valid
2) SELECT Id, Value FROM Table
it is possible to combine these two selection queries? The display value should always use query 2 while the listed values should use the query 1.
I want to display images that a user uploads in a list view so that all the images a user uploads will appear as at the moment no images appear using the list view but the xml data source file gets updated. I am using VS 2008 usinf asp.net, vb and xml codes. What would I need to do so that the images appaer in the list view.
The code I have used in the aspx page is:
<asp:ListView ID="ListView3" runat="server" DataSourceID="XmlDataSource1">
<LayoutTemplate>
<div id="itemContainer">
<span id="itemPlaceholder" runat="server" visible="true" />
[Code]....
in asp.net i want to display a list of data in one column of listview with hyperlink. All the data should should apper in tabular format.
View 2 RepliesI cannot seem to resolve in my head! I have a database with 4 of the columns having TRUE/FALSE values and I want to list the columns with TRUE values in a vertical list. The problem I am having is that when I tried to make visible=FALSE, then I have a gap in the list.
[Code]....
I cannot see how to shape the SELECT statement to include only columns with a TRUE value and I cannot figure out how to filter a control to only display labels with a TRUE value.
How do display a list of data returned from the database like this.
[code]....
i have an datatable called orders. One of the columns is "OrderAmount" In the aspx, page I have a datalist and am using the {0:c} in the item template but it is not showing the £ symbol or the amount in correct number format.
In my datatable I am not sure if I need to use Int or Float.
the amount I want to enter is £21,316.56. I have tried entering 2131651 but it does not display correctly in data list.
I want to display some search results on an ASP.NET webform. I want the user to be able to single-select one of the items returned.
My search results will be in the form of a list of objects, so ideally, I'd like to be able to bind a such a list.
The ListView control sounds promising, as that is certainly what I would use in a WinForms application, but I haven't seen any evidence that the ASP ListView is selectable. Even the GridView control seems to render into html as a static table of data, in which you cannot select.
I have a ListView that populates and displays a user's data (via a profile system in VWD 2008) during Page_Load and also when I go from the EditItemTemplate to the ItemTemplate. Then when I go to the edit screen again, my DropDownList and RadioButtonList controls display the first items in the corresponding tables instead of the correct profile values. I don't understand why the controls populate correctly the first and second times but not on the third time (that's right, the third time is NOT a charm).
ItemTemplate:
[Code]....
EditItemTemplate:
[Code]....
[Code]....
Is it possible to display two column values from a SQL database in to one DDL? I have been trying to write a SQL query, where in I select two fields to be displayed in the DDL but when I run the application it only displays one. Not sure why. Here is my code below:
<asp:DropDownList ID="DropDownList8" runat="server"
DataTextField="LATA"
DataValueField="LATA"
onselectedindexchanged="DropDownList8_SelectedIndexChanged"
DataSourceID="SqlDataSource1">
</asp:DropDownList>
<asp:SqlDataSource ID="SqlDataSource1" runat="server"
ConnectionString="<%$ ConnectionStrings:Inventory_DBConnectionString %>"
SelectCommand="SELECT DISTINCT [LATA], [LATA Name] AS LATA_Name FROM [CA] WHERE ([SWITCH ID] = @SWITCH_ID)">
<SelectParameters>
<asp:QueryStringParameter Name="SWITCH_ID" QueryStringField="ddl1"
Type="String" />
</SelectParameters>
</asp:SqlDataSource>
I have a simple list view that displays some text and a picture. The text is stored in the database and new text is inserted into the database through the list view. The list view displays all of the data with the oldest, or first, line of the database first. I want to reverse that by displaying the last line, or newest entry first. The site is live, and I do not know how to change the database remotely. Can I put some code on the page or code behind that will accomplish this? What is it called and where do I look?
View 5 Repliesi have a gridview binded with data when i hover mouse to row i want to display a image button to display date ,and when i click the button i want to display calender control for choose date, and next step after i choose date it will be must insert into database. and mean while a hidden label control will display and date shuld be display in it
View 2 Replies
