Forms Data Controls :: Show Data Relationship In Gridview With Dropdownlist Or Similar?
May 24, 2010
I have data coming from two tables with a foreign key relationship - one User table containing users of the web application, and one Page table containing details about pages visited by each user.I would like to be able to view these data in a gridview or the like on a page. It's easy enough to just show the User table data like so (I'm using the Entity Framework and LINQ):
[Code]....
But how can I show the Page details? I'm not bent on any particular way of showing it, but the only idea I've been able to come up with is to have a dropdown list for each user in a column. But I can't figure out how to get the page data into such a dropdown list. The tables are associated with the primary/foreign key UserID.The closest I've come to finding something similar to this is this for Linq2SQL: http://weblogs.asp.net/scottgu/archive/2007/07/16/linq-to-sql-part-5-binding-ui-using-the-asp-linqdatasource-control.aspx , and this using more traditional data access: ttp://www.highoncoding.com/Articles/169_DropDownList_Inside_GridView__Method_1_.aspx . Either way, regardless of data access technology, I can't relate these solutions to my example and get it to work
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Mar 2, 2010
want to know the purpose of Report ViewerIs the Report View is similar to the gridview?In my dozens of webpages I have used gridview so is it better to replace the gridviews by Report Viewer?ow to use Report Viewer if I have datatables or is this similar to use the way that we uses objectdatasource to gridview?I couldnot find any video lecture about Report Viewer in asp.net official website.
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Feb 6, 2010
I was requested to develop a GridView like screen to allow easy DataEntry without the need to Click Save/Submit on each row of the GridView.
In other words, the user wants to edit the GridView Cells in a Web Screen as if he is editing Cells in MS Excel. The Data should be saved as soon as he will exit the cell by pressing the down arrow.
It think the only way to do that is to use Ajax technology, right ?
Maybe jQuery or ExtJS ?
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May 7, 2015
This is my Code
My query is if i select Other in dropdownlist i want visible textbox..
how to i do it..
<asp:GridView ID="TypeFruit" runat="server">
<Columns>
<asp:TemplateField HeaderText="Type" >
<ItemTemplate>
<asp:DropDownList ID="ddlfruit" runat="server" >
<asp:ListItem Value="0">Select</asp:ListItem>
<asp:ListItem Value="1">Fruit</asp:ListItem>
<asp:ListItem Value="2">Other</asp:ListItem>
</asp:DropDownList>
<asp:TextBox ID="TxtOther" runat="server" Visible="false"></asp:TextBox>
</ItemTemplate>
</asp:TemplateField>
</Columns>
</asp:GridView>
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May 7, 2015
in above code works fine if every textbox disable/enable depending upon the dropdown list selected value, in my query i want effects only one textbox
in my query i have gridview with 1 dropdown list ddl, two texboxes tb1 and tb2.
tb1 is in visible false..
tb2 is in visible true.
if i select dropdown selected value as "other" tb1 column should be visible and ddl selected value not effected to another textbox tb2.
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May 7, 2015
In my query i have 1 gridview..
In this gridview i have 1 dropdownlist and 1 textbox..
textbox is in visible=false state..
My question is after selecting dropdown list selected value i want visible textbox in gridview..
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Mar 15, 2010
I'm using Asp.Net's Dynamic Data Website project type.I've created a db that has one to onerelationship between two tables specified using a foreign key, (this could be one to many but I've used the linq designer to change it to a one to one relationship).i.e. I have a table Invoice and table CreditNote that takes an Invoice_Id as a foreign keyI was hoping that when I navigated to CreditNotes/Insert.aspx that it would display the a list of InvoiceIds in a dropdown list. It almost does this - it creates dropdownlist but only populates option value and not the text so I get something like this in the html source (notice only the value is populated - which looks empty to the user):
<select>
<option value="someInvoiceId"></option>
<option value="someInvoiceId"></option>
</select>
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Jun 24, 2010
when i change page from page1 to page 2 I remember Dropdownlist in session
Session("Dropdownlist")=Dropdownlist
now when i go back to page1 I set the Dropdowlist the way what it was before i left page1
Dropdownlist=Session("Dropdownlist")
Everything its remember but when i load the page with my Dropdownlist again. The selectedindex shows default value in the control Dropdownlist.But it does remmeber old selectedindex.I got it wired with Gridwiew and gridwiew show Data by remmeber old selectedindex. Well generally I like to remember selectedindex when i go to a differente page and when i go back have it set in the control dropdownlist the way when i left the page
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Sep 30, 2010
[Code]....
This code works.
How to dropwnlist 2 data show? ID and FirstName?
And if I click on the information displayed in Label1.text, data from the LastName column.
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Dec 21, 2010
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Aug 20, 2010
in dropdownlist show the all PatientName and save the PatientID . how to show the PatientName in DataGrid.
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Jul 16, 2010
I have an emergency request that I need to sort it out very quickly as I did not notice it early :(.
I have a dropdownlist, the contnet in the gridview (sqldatasource connection) changes based on the value the user slects, say I have play1, play2 from the dropdownlist, I would like to show column1, column2 and column3 with user selects play1; show column4, column5, and clomn6 when use selects play2; the datatable actually includes all 6 columns.
I understand that I need to use something like RowCreated event, and I need to set up condition based on the dropdownlist value, but I dont really know how to.
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Oct 13, 2010
I am placing a dropdown list in the footer of a DataGrid like this:
[Code]....
In my code behind file, in the myDDL_OnLoad event handler, I call to the database, populate a SqlDataReader, and set the DDL's datasource to that datareader. I define what data columns should be used for the DataValueField and DataTextField of the dropdownlist. Then I call the DropDownList's DataBind() method. Everything works without error. But, when the dropdownlist is displayed, it has blank lines in it.
By that, I mean if 8 records are loaded into the dropdownlist, it will expand to a size appropriate for 8 rows but, it will be empty. there is no text in it.
Has anyone seen this type of behavior before? This dropdownlist is in the footer of a dynamically loaded ajax update panel so, it is difficult to see the source code to see what values are in the html element rendered to represent the dropdown.
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Nov 2, 2010
in the gridview,have an AutoGenerateEditButton,when user click on edit buttoncolumn A will show out dropdownlist (Y/N) to select then it able to update to the database.can i do like when user selected "Y" in the dropdownlist column B can automatically update also. based on the selected value.Y - agree,N- disagree user selected Y in column A column B automatically input text "agree"i dont know how to google about this issue.
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Tried ways:
[Code]....
[Code]....
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Jul 14, 2010
I'm building a pretty simple application where a user can enter/modify/delete data from a table. Right now, the only field is month, which I'm storing as an integer (1-12). The actual table has more fields but I'm simplifying for the purposes of this question.I have the entry part. For modifying, I've set up a gridview with an 'Edit' button:
[Code]....
The code is putting the gridview row into edit mode. Now, I want to show a dropdownlist of months so the user can select the new month. Also, I would like the dropdownlist to default to the value in the database. I can't figure out how to bind months to the dropdown list ddlMonth.
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Feb 23, 2011
I am using an ADO Entity Model for my ms-sql database.
My database has a Resellers table which has ResellerID (primary key, int) and Name columns along with other data.
I also have an Orders table which contains OrderID (primary key, int), OrderDate, ResellerID (foreign key to Resellers.ReselerID).
If I just do a query like:
[Code]....
I am able to reference order.Reseller.Name just fine with no problems.
However I have an EntityDataSource on my page as follows:
[Code]....
Notice the Include="Reseller" attribute in the datasource... I also have a GridView tied to that datasource as follows: I cut some of it off for breavity:
[Code]....
Now what I have listed above will run with no errors, but what I want to do is replace the column that displays "ResellerID" with the equivilant to order.Reseller.Name. In other words I want my grid to display the reseller's name rather than the numeric ID.
I have tried to change the DataField to "Reseller.Name" but that will generate the following error:
A field or property with the name 'Reseller.Name' was not found on the selected data source.
Is there anyway to do this without me writing a custom select statement in my code behind?
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Jul 26, 2010
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[Code]....
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How to show Group Data in the GridView Control like
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Dec 2, 2010
I want to show the textbox which is in Gridview, eventhough the Datasource[Table] of the Gridview is empty.The user has to enter some value and save it in the table. My problem, when there is no value in the table, textbox is not shown. I am using Linq, So the Gridview has to bind using Linq list or table The objective of the task:
1. Show the blank textbox when there is no data in the table.
2.A Addnew Buton has to show, If the user clicks the Addnew button, One more textbox has to shown and user can enter the second input.
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Feb 25, 2011
I am familiar with populating a gridview with data. I am able to bind the Data pulled from the database into the gridview
gridview.DataSource = myDataTable;
gridview.Databound.
If I write the following code, teh gridview will no longer show the data
gridview.DataSource = null;
gridview.Databound.
My question is , I want to make the same thing with a user control that contain a gridview. when I use the user control in an aspx page, I am able to populate it with data, but when I try to make this code, the Datasource does not show, instead, I see .DV. So I tried this code but then , I do not see DataSource property instead I see DV (DataView), when I put .DV = null, I get an error message that the object is not in existed. any idea how to clear the user control gridview from its data.
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Oct 15, 2010
I have in my code a gridview that I redirect to excel, it works fine when I have data in the data set. waht I want is to show column headers when there is no data right now what i get is empty sheet.
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