Forms Data Controls :: Displaying The Right Values In A GridView?
Mar 13, 2011
Im displaying a Gridview full of data but the column "Country" is displaying the CountryID and I want it to display the Country 'Name'", same with State/Prov and a Status column I have. I've looked around at BoundField Properties and such and can't seem to find where I can configure this. Is it straight within my DataSource? Here's my code:
GridView Code
[Code]....
Here is my DataSource Code
[Code]....
Is it within the SELECT statement of the DataSource where I can need to configure using "Country" not "CountryID"or "Status" not "StatusID"?
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Mar 8, 2011
I have one filed that is encrypted using Rajindal algorithm and stored in MSSQL db.When I retrieve that column in gridview it's displayed in encrypted. I have the code that decrypts it but the problem is:How can I all loop throw this column values in the gridview and decrypt them all and display it in the gridview decrypted.See my code below:
[Code]....
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Jan 19, 2011
to check the value in a ListView? I want to do something like this:
<asp:ListView ID="ListView1" runat="server" DataKeyNames="Id" DataSourceID="EntityDataSource1" EnableModelValidation="True"> <ItemTemplate> if <%# Eval("Id") == X %> "do something" else "do something else" </ItemTemplate></asp:ListView>
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Mar 18, 2010
To start with - I'm using VS 2008/.NET 3.5 and working in a company-provided template that leaves me restricted to some/many settings that go beyond the body of the page itself. That said, I need to create a page that will display data from individual cells in a database table that, when lined up would look like a normal sentence. Based on certain criteria I would have certain sections of the sentences hide (ex. if it contains a key phrase or if it's empty).
I've seen a method in which Labels could be used to achieve this effect, where I would assign it the grid coordinates of the cell in a table, but I could never get it to work. I've been successfully connected to the table (LINQDataSource) but still have a blank canvas without this fundamental display technique as that will be all that's in it.
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Apr 5, 2010
What I have below is currently working on my site to display information within an article. What I am wondering is that within a lot of stories I have more than one 'SchoolID' included. All of these IDs are in our database within the 'ArticleSchool' table and linked to an 'ArticleID.' The statement below is only displaying the first 'SchoolID' listed within an article. Is there a way I would be able to display every 'SchoolID' within an article to grab information from? Will it not work in a label if there are multiple values? The 'ArticleSchool' table has rows for every article and a new instance if more than one 'SchoolID' is attached.
[Code]....
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Aug 5, 2010
I have a doubt regarding displaying data in gridview. I have comma separated values in a particular field in my database. Will I be able to display the comma separated values from db table in a control in the Item template field of my gridview?
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Aug 4, 2010
i take data from Sqlserver database , and my prblem is that i want to get old and new values from gridview and base on that i want to change there background colors .. i try gridview rowupdating , editing ,updated Events but when i debug no break point hit and there was no value in ViewSate that i declare ,
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Feb 9, 2011
I've been trying to bound an arraylist to a grdview for display and managed to work out the following:
[Code]....
At the point where rows are added to dt, i'm trying to get arraylist (Tweet) to be read row by row to insert each of it's fields into dt. There is no error but when run in browser, each cell of the gridview shows 'DataExtraction.Tweet'.I'm not sure where to go from here.
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Jan 18, 2010
see the below code. just sample page.
<body>
<form
id="form1"
runat="server">
<div>
<asp:GridView
ID="press_dl"
runat="server"
AutoGenerateColumns="False"
PageSize="1"
ShowHeader="False">
<Columns><asp:TemplateField><ItemTemplate>
test head
test shortnews
</ItemTemplate>
<HeaderTemplate>
</HeaderTemplate>
</asp:TemplateField></Columns>
</asp:GridView>
</div>
</form>
</body>
Protected
Sub Page_Load(ByVal
sender As
Object,
ByVal e
As System.EventArgs)
Handles
Me.Load
If
Not Page.IsPostBack()
Then
bind_press()
' bind_events()
End
If
End
Sub
Sub bind_press()
ds = Nothing
ds = New DataSet
Dim query
As
String
query = "select top 1 * from tbl_press order by press_id desc"
myConnection.Open()
da = New OleDbDataAdapter(query, myConnection)
da.Fill(ds, "Press")
myConnection.Close()
press_dl.DataSource = ds.Tables("Press")
press_dl.DataBind()
End
Sub
its dislpayes like this
test head test shortnews
test head test shortnews
this gridview displaying twice. i dont know why.
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Dec 2, 2010
I'm having trouble displaying the value of my textbox on the gridview. For example i have a column named Quantity Received which at the moment has no values in it then i have a textbox that would enter value for that said column .
FrameWorks.fwReplenishmentRecWi qtyrec = new FrameWorks.fwReplenishmentRecWi();
qtyrec.QtyReceived = Convert.ToInt32(txtQuantity.Text);
//lst.UpdateQtyReceived(qtyrec);[code].....
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Jul 5, 2010
I have a Business object (Customers) with about 30 fields/attributesNow, I want to display list of Customers in gridview so I fetch them through my object datasourceBut gridview only uses 8 fields/attributes of an object and rest are unused or wasted Do I design sub objects containing only gridview fields ? How do I go about this problem ?
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Oct 20, 2010
As of today my gridview is no longer showing when I run it in my browser. I have made changes to the database recently but the code behind and aspx file remains the same. No errors are coming up. Just the gridview is now blank and it was working perfectly shortly before.
<asp:GridView ID="grdFixtures" runat="server" AutoGenerateColumns="False"
DataSourceID="FixturesDataSource" OnRowCommand="PushMatchID"
DataKeyNames="MatchID">
<Columns>
<asp:ButtonField ButtonType=Button CommandName=StartMatch HeaderText="Match Scoring" Text="Start" />
[Code]....
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Oct 15, 2010
On one of my pages I display a Gridview. This contains a list of questions generated by a SQLDataSource, with a dropdownlist on each row containing the answers for that question. The answer values can be different depending on the question, so I populate them in the RowDataBound event for the gridview, using question information.
As the list of questions is longer than the page I have placed the gridview within a Div which allows me to use scrollbars to navigate the gridview. I also use some methods to preserve the location of the last question answered - so that on answering a question, the gridview does not reset to show the first part of the gridview.
This works fine for IE7, which is what I have been using for the development, and which part of my customer base uses. However, the other part of my customer base uses IE6, which causes a problem.
When an IE6 user attempts to answer some questions, they run into issues. Should they scroll down the gridview, when they select a value from a dropdownlist (Effectively, when they answer a question), there is a postback and all of the visible (i.e. onscreen) dropdownlists appear to be cleared. However, on mousing over any of the dropdownlists, their value is then shown. On using either the scrollbar, or on using the mousewheel to scroll the gridview, all the dropdownlists are 'refreshed' and their values are shown.
At no point does the application appear to lose the data, it is just not showing it until there is a mouseover or the gridview is refreshed. Another odd aspect of this is that this does not apply to the first 5 rows of the Gridview. Any of these can be altered without there being this display issue. Should the gridview be scrolled enough to show some of the first 5 rows and some subsequent rows, only the subsequent rows will have this display issue.
I have tried various things to correct this - originally I called my retrievescrollposition method on the SelectedIndexChanged event of the dropdownlist, but have since moved it to Page_Load as the Else branch of if (!IsPostBack). I tried rebinding the DropDownlist in the SelectedIndexChanged event, but this only helped with the Question I was answering - the display of any other onscreen questions was still affected.
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Jan 29, 2010
I want to insert a record in the gridview and i have designed it as the fig: below shows.
Initially there is no data in the datatable to which the gridview is bound to,so the gridview is not displayed when the page load,ok
I want to ask that is it possible to display Gridview on page load with only the header and the footer?
i.e;the user can see the header names and the textbox and drop down list at the foorter so that they can insert data in the grid?
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Jul 23, 2010
Grid View I added a function and then called it in the following event.
private void ShowNoResultFound(DataTable source, GridView gv)
{
source.Rows.Add(source.NewRow());
gv.DataSource = source;
gv.DataBind();
int columnsCount = gv.Columns.Count;
gv.Rows[0].Cells.Clear();
gv.Rows[0].Cells.Add(new TableCell());
gv.Rows[0].Cells[0].ColumnSpan = columnsCount;
gv.Rows[0].Cells[0].Text = "No Data Found";
}
protected void AppList_Selected(object sender, SqlDataSourceStatusEventArgs e)
{
if (e.AffectedRows == 0 )
{
ShowNoResultFound(AppList, GridView1);
}
}
It displays the following error The type or namespace name 'DataTable' could not be found (are you missing a using directive or an assembly reference?
ListView
Added the following. It shows the message but not the header. Also tried adding ShowHeader="True". It it not allowing it.
...
<EmptyDataTemplate>
Sorry, no data to display.
</EmptyDataTemplate>
</asp:ListView>
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Jan 13, 2011
I have a GridView which works perfect when it is not empty. Now when the source is empty I want to show an empty GridView and to be able to insert rows inside.
I have this code for the page_load event:
[Code]....
but I got the following error:
Exception Details: System.NullReferenceException: Object reference not set to an instance of an object.
Source Error:
[Code]....
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Mar 15, 2011
I have followed this thread
[URL]
and I have tried most solution and still I cant get the right results...I need a simple workable solution. I would like to display the header of a gridivew when it is empty
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May 18, 2010
I see from google that this is a common problem. I have a SQL server database that contains 26 rows of data. Two columns, the first is PK and an identity column (keys numbered 1 to 26) and the second column is a text field (nchar(10)) containing a letter of the alphabet (A..Z). The letters were inserted randomly to simulate sql being unsorted by default. I have a query that returns all of the data ordered by the letter column ascending. If I execute the query in sql server I get 26 rows orderd A..Z.
I have a gridview that is set up for paging (page size = 15) and sorting. When sorting is disabled, all data is correctly displayed on the gridview, 15 rows on the first page, 11 rows on the second page.
If I enable sorting, I get 15 rows on the first page and 11 rows on the second page, however on closer examination I find two letters missing and two letters duplicated on both pages. If I navigate to page two, then back to page 1 I find that the data is then shown correctly and the missing letters are back.
Has anyone struck this issue? I am thinking that the sort is not being initialized correctly, but am not sure where to look.
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Apr 28, 2010
I want to display a GridView using the the selected DataValueField from the DropdownList.
I've set the Selectparameters for the GridView DataSource.
Here is my question: on clicking "BtnSelect" - How do I assign this parameter (@Id) to selected value (DataValueField) from the DropDownList and re-display the grid view accordingly?
Here is what I got so far:
[Code]....
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Mar 1, 2010
I am building a SortedList object for use as the DataSource of a GridView control. The key-value pairs are being built manually with the "key" fields being inserted in already sorted order. The "key" column is invisible with the "value" column the single displayed data item. I set the DataSource property of the gridview to the sortedlist and call the Bind method. The gridview then displays the data in random fashion!
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Mar 1, 2010
I am working with telerik controls, to display gridview data. However, I would like to know how to checkthe following values before displaying
1. If the date is after 1 month (since entry ) and if referal is true. Then display the template column below
2. If referal has been done, then dont display value
Here is my item template ( An extract from the entire gridview )
<telerik:GridTemplateColumn HeaderStyle-Width="50px" HeaderText="Confirm Diagnosis" Visible ="true">
<ItemStyle HorizontalAlign="Center" />
<ItemTemplate>[code]....
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Mar 30, 2011
I have image in the image folder and in my oracle database I have a column with the name IMG which has the name of the image like ab.jpg
I have another column with name IMG1 which is storing the whole url like images/ab.jpg
I can see all the values of my database table in my dataset as well including IMG column and IMG1 column
In my aspx file I wrote code
<asp:imagefield dataimageurlfield="IMG"
dataimageurlformatstring = "~/images/ab.jpg"/>
but it is not displaying anything, however aspx page is working fine, it is showing a field but no image and it is blank, same is the case with IMG1 column as well
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Sep 24, 2010
I have a list of image names stored in a database, along with the id of the property they are associated with. I'd like to be able to display all of the images in a gridview and then allow the user to select the required image.
The problem I'm having is that the gridview is not displaying. I'm pretty sure it's something basic that I've missed, but can't for the life of me see what it is!
My gridview code in my aspx page:
[Code]....
My code behind (propId is the property id):
[Code]....
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May 17, 2010
I have been trying to do this all day but nothing seems to work. SOMEONE please enlighten me !!! I am adding products to a string and displaying them in another page. All is good .... up till here.
Now I have a problem when saving these strings (ie: the added products) into gridview. I tried using objectdatasource but I'm getting confused. Anyone done this before ? Basically when the products are in gridview I want the user to press 'purchase items' button, and the items are written to the database.
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Feb 24, 2010
I would like a gridview (using entitydatasource) to display the search results based on values provided in textbox txtSearch and dropdownlist ddlsearch. My search controls are as follows:
[Code]....
My entitydatasource is:
[Code]....
My gridview is written as:
[Code]....
Codebehind file contains:
[Code]....
I am a newbie at entitydatasource and have a few questions:
1. Currently, the gridview doesn't render. Why is that?
2. How do I wire up the gridview to grab the values of ddlsearch and txtSearch and return results using those values from my entitydatasource?
3. Ultimately, I want to encapsulate this gridview in a wizard step wherein the user checks items they want and those checked items are used in the next wizard step.
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