Data Controls :: DataList With Dynamic Columns
Apr 23, 2012
How to dynamically assign a datasource to a DataList ?????????
For example suppose that we want to fetch data from the database table accordingly user interest and then bind the data to DataList Control........... How to do that?
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Sep 20, 2010
I created a gridview that is made up of 4 gridviews and using a stored procedure to populate it. I create columns at runtime because the number of columns changes all the time.To make the grids editable I am adding template fields at runtime as I create the columns, this is to ensure that a user is able to edit the cells and some foot values update. Reason why I have four grids is to freeze rows and columns like in excel using javascript. The problem is that performance is very bad especially in IE, the grids take a long time to load. I am not sure if this is caused by the data load or the creation of text boxes. see some of the code below for my _aspx page:
[Code]....
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Jun 9, 2010
I have a datalist with 2 columns repeating horizontally. I need some spacing between the columns and am not sure how to do it. I can use cellspacing/cellpadding but that adds vertical spacing as well, which I don't want. Just horizontal.
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Aug 27, 2010
i have a datalist .
i used an object datasource to show data in datalist .
and my datalist have two or more repeated columns .
how i can make header for top of each column ?
not for each item and not for each row .just for each column .?
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Jun 27, 2010
I have the following code the form of a datalist,
<asp:DataList ID="DataList1" runat="server" BorderColor="black" CellPadding="3" Font-Names="Verdana"
Font-Size="8pt">
[code]...
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Jan 11, 2011
I am dynamically binding dataset to a gridview(No Columns at design time) .I need to show Totals for some of the dynamically generated columns in the footer.
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Jul 6, 2010
I have a Gridview with autogeneratecolumn = yes since the datasource always returns different columns of data.
However, except from left most column, all columns to the right should be formated to #,###.#
How could I format these columns to the right dynamically ?
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Jan 26, 2010
I have the following code:
[Code]....
With this code behind:
[Code]....
Initially, I wrote the GetTeamMember() method to display the FullName in the ItemTemplate.
Then as I wrote the EditTemplate, I needed to populate a DropDownList with a list of names (first and last). It was fairly easy using the LinqDataSource, however it currently only shows the LastName. I could write another method GetTeamMembers() to populate the ddlTeamMember with the data I want, but I thought maybe there's a better "LINQ" way.
So I'm looking for a better way to get FullName (i.e. Firstname + " " + LastName) into both lblTeamMember and ddlTeamMember.
Options I thought of are:
I could write a method GetTeamMembers() I write a StoredProc that returns the extra column Better way?
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Mar 15, 2010
I have a requirement where on the left hand side we have a tree view control and on the right hand we have dynamic columns.
Below screenshot gives an idea of the requirement. what is the best way to implement this?
Year1, Year2, Year3 are dynamic and are based on the user input.
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Dec 6, 2010
I put in my page 1 table like grid with this style:
header of columns are select from table persons(so number of them are dynamic)
header of each row are select from table goods(so number of them are dynamic)
in table , in each cell,show the price & the date ,that this person,buy this goods
for example,in may 2008 ,Jack&sara buy pencil.so in front of pencil&buttom of jack we write his price and in front of pencil&buttom of sara we write her price.
so this table has 2 column & 1 row
in may 2009,
Jack&sara buy pencil.so in front of pencil&buttom of jack we write his price and in front of pencil&buttom of sara we write her price.
and jhon buy pen & suzzan buy book so this table has 4 column & 3 row
Price Date
Price Date
Price Date
Price Date
Pencil
Pen
book
then I want in each cell,I have 1 CHECKBOX that user of my program,checked each on that want. how can I design my page?
is ther any component?or I must create <TABLE> dynamically
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Nov 13, 2010
I have created Grid where in Columnsname come from Database and it will be generated from a setup page where Icreate column in SQL dynamically.
Now I wanted to have an idea about these grid. How to fetch data in this grid and how toinsert data into database.
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Jul 6, 2010
I need to bind a repeater with data having indefinite number of columns. How can i do that? Do i have to create template class for that?
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Aug 24, 2013
How to add dynamic columns in Gridview?
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Mar 26, 2010
I have a gridview, where I set the columns based on the columns in a datatable. I have a class that implements ITemplate, and creates a textbox template field. Everything works good, I can display my grid with the correct columns and headers. The probem comes up when I click a Save button, to save the user input. Of course the page postbacks, and I re-create the columns on PageInit. However, all the data the user entered is gone.
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Jan 28, 2011
I am working on the dynamic grid view(create dynamic columns).I need some thing like that given bellow in the fig:
columns1,2,3 are dynamic and the modules under the columns are also dynamic. to create grid like that.
Column1
Column2
Column3
Module1
Module2
Module3
Module4
Module5
Module6
Module7
Module8
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Sep 14, 2010
how to create dynamic template columns in gridview .
I have writing some of the code but it gives me error
The type or namespace name 'GridViewLabelTemplatecould' not be found (are you missing a using directive or an assembly reference?)
I have paste some my code
[Code]....
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Mar 2, 2011
I have a Gridview on my aspx page. On my page_load event I check for a record in the database, if the record exists for that row in the gridview I would like to add a new column in the same gridview and add a button control to it. This adding of new column in the Gridview should happen in the codebehind (c#). see the code I wrote for this, but when I run it, it does not create any column on the gridview page.
[Code]....
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May 22, 2010
I must create a few DataLists programmatically. All of them will share the same ItemTemplate. Is it possible to define this ItemTemplate in .aspx file, using wizard etc, and then create DataList programmatically and assign this template? There is information in the internet how to define both ItemTemplate and DataList programmatically, but I want to define the ItemTemplate statically and only DataList programmatically and then assign the template to it.
The problem that I encounter is that ItemTemplate tag only works inside some control tag. It looks like it is impossible to define an ItemTemplate (like e.g. resource in Silverlight) not associated with any DataList, using the wizard and design tools, and then reference this template in code during runtime.
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Mar 16, 2011
i have a gridview which is populated from a stores proc using pivot tables. The column are created dynamically apart from a total column which is created as a template field. the gridview looks like below:
CPW
EE
Foh
H3G
IND
O2
ORG
P4U
T-M
TSC
VIR
VOD
Total
Stores Visited
70
0
0
12
0
16
18
7
11
1
2
8
145
i need to add a hyperlink to each gridview cell and when that cell is clicked pass the header text through the querystring to another page. I can access the cells value ok and pass that through but i cannot seem to access the cells column header text. when i response.write out a count of the gridview.columns it brings back 2 which is the template fields but not the dynamic fields i have tried this on the rowdatbound, rowcreated, page_load and page_unload. the count should be 12 its like it cannot find the dynamic columns at all. ?
here is my code for populating the gridview
[Code]....
and here is my gridview:
[Code]....
i am also moving the total column in this code
[Code]....
and calculating my total in this code and adding my link to the total colum (which works fine)
[Code]....
now i just need to somehow add a link to the other cells and somehow get the value of the header text for that cell clicked.
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May 7, 2015
I've created a filter textbox for searching my data in gridview..
ex: i've 3 columns in gridview : ID, NAME, DATE
I ask, how to create a dynamic search for 3 columns in gridview using a textbox?
without writing a query repeatedly :(ID like '%" + search + "%') OR (NAME like '%" + search + "%') OR (DATE like '%" + search + "%')
protected void btnCariConnStrSubmit_Click(object sender, EventArgs e) {
string search = ((TextBox)GridView1.HeaderRow.FindControl("txtCariConnStr")).Text;
string sql = "select * from report where (ID like '%" + search + "%') OR (NAME like '%" + search + "%') OR (DATE like '%" + search + "%') ";
reader = mda.GetData(sql, connStr).CreateDataReader();
if (reader.Read()) { dt = mda.GetData(sql, connStr).Tables[0]; BindGridView(dt); lblRecordNotFound.Visible = false; }
else { Bindemptydt(); lblRecordNotFound.Visible = true; }
((TextBox)GridView1.HeaderRow.FindControl("txtCariConnStr")).Text = search;
}
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Jun 28, 2010
As a workaround for the fact that asp:Checkboxes don't have values, I am attempting to dynamically create the ID's of checkboxes in a DataList so that it inserts the primary keys into the control ID. This is surprisingly difficult.
I have placed a PlaceHolder in my DataList ItemTemplate, then in the ItemCreated I create the checkboxes using string.Format("Checkbox{0}", DataBinder(e.Item.DataItem, "ID")). The problem is that this only works in a non-postback condition, as on postback the DataItem is null. And of course ItemDataBound isn't called on PostBack so that won't work either.
I can't seem to find a good way to handle this short of if (IsPostback) dataList.Bind(), which i don't think is a good way to do it.
Can anyone provide me with any alternatives here?
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Jul 5, 2010
Let's say I passed a couple of querystring to populate my datalist on another page. Then I want to filter/refine that datalist further by clicking on links( which are dynamically created depending on the data on the datalist) and when clicked will pass another querystring to create a new refined datalist.
Example: I clicked on a link that redirects to [URL], a datalist will be produced on another page. Then there is are link on the same page that go to [URL], [URL], then another datalist will be produced. how to code these links, what I have in mind is link (4), link (10). The numbers represent how many records it will display if that link is clicked.
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Jan 13, 2010
My datasource is an ado data table that I have convert to a new data table so that each row in the original table is now a column with 1 row in my new table. I then bind the new datatable and create dynamic template fields with a text box where I bind the values. My problem is, when I try and retrieve the values changed by the user in the rowcommand event, the template columns no longer exists.
Does anyone know how i can retrieve these values? I've read over and over that you have to rebind the grid on each postback when you use dynamic templates, but I'm not sure how to do that and retrieve the values entered in the text boxes on the client side.
[Code]....
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Mar 30, 2010
How to align the data from a datalist horizontally on a page. Currently i have the date in a linear pattern with code below. Current formatting:
A Acityname1 Acityname2 B
Bcityname1 BCityNAme2 ------
I would like the formatting horizontal in 4 columns, as below.
A B C D
ACityName1 BCityName1 " "
ACityName2 BCityNAme2 " "
ACityName3 BCityName3 " "
E
Ecityname1
Ecityname2
[Code]....
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Nov 16, 2010
I need to build a form that shows data is the following format:
M(1 Nov), T(4 Nov), S(7 Nov) etc
user 1 yes/no yes/no yes/no yes/no
user 2 yes/no yes/no yes/no yes/no
The yes/no will be represented by a check box and there will be Monday, Thursday and Sunday columns for each occurrence within the month - dynamically worked out. I was planning on using Anonymous Type's as explained here to represent the data. Is this a sound approach? My problem is how to display this using a GridView or DataList control. If the data structure is dynamic, how can I configure the GridView/DataList control to bind to the data?
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