Forms Data Controls :: DropDownListBox Referencing Another Column In Database?
May 1, 2010
I have a dropdownlistbox which references a specific column for a table in my database. After I select the proper id from the dropdownlistbox, I should press the submit button to see the name of the customer populated in a text field who references the id number for the dropdownlistbox. However, I am having trouble referencing a different column within the table. I can only view the selected value from the dropdownlistbox in the text box.
protected void EmployeeIDNumberListBox_SelectedIndexChanged(object sender, EventArgs e)
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Sep 30, 2010
I have a datagridview that has a column which displays a ref value from another unbound table, but during an edit of a gridview entry i want a dropdownlistbox to list all the available ref values from the other unbound table source, then to insert the selected value into the bound table
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Mar 6, 2011
I'm currently working on a small project and therefore created a gridview, including one bit column which has been linked with a checkbox in both the itemtemplate as the edititemtemplate (autopostback = true).Databinding for these two checkboxes has been linked (two-way) to the bit column.Now I want to display the gridview to end-users. They should be able to just click on the checkbox so they value in the database column gets changed as well (as I want to run update queries behind it), but not passing via the command column 'EDIT'.=> problem I'm having now is that the bit column in the database doesn't get updated.
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Oct 7, 2010
That works very well with DataGrid, but I want to add a new Column to the DataGrid with the number of the database rows.
The column have to be the first Column of DataGrid.
I want to create a function (with for-loop) to count the number of the row of a DataGrid and write it into DataGrid's first Column.
The number of Rows gets the DataGrid by the SQL-Database.
The SQL Database shouldn't get a new Column. I just want to create the column dynamically.
How could I realize this ?
Here you can see my SourceCode:
[Code]....
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Aug 5, 2010
using .NET 4, SQL 2008 R2 and VS2010:
My issue is that the first row of data in my db table does not seem to be output to my ListView control when I run the page. The first item in the ListView control is the 2nd row of my db table.
If I execute the stored proc listed below in SQL Server Mgmt Studio all rows are returned to the query results window.
The ListView control is defined as follows:
[Code]....
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Mar 24, 2010
I am using a bound gridview in ASP.NET 2.0. The gridview has the ability to edit/update and insert rows. One of the columns holds a number which represents a percentage. What I cannot figure out is how to ensure that all the rows in the gridview total 100% before being able to send the updates or newly inserted data to the database.
For example say there are 5 rows in the gridview, each row has 20% stored in the column so it adds up to 100% which is fine, the data is updated/inserted in the database. But say each row only had 15% totalling 75%, the user should not be able to send the updated/inserted data to the database until either they add a new row with a percentage of 25 or they edit the other rows for a cumulative total of 100%
I am not familiar with javascript or AJAX
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Feb 26, 2011
I use Mysql database, in this i create two table A, B. table A column x and is FK of second table B's column m,n,o provide does it possible that x referncing to foreign key of table B columns m, n , and o all.
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Jan 19, 2010
I am having one column in each row of my radgrid in which i want to show an image. I am getting values from database saying 1,2 for that particular column and for each of these values i want to show different images for different values. For Example if i am getting 1 from database i want to show "roseImage" and for 2 i want to show "lotusimage",
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May 12, 2010
I have a DataList with controls in the Header that are used to filter the DataList. Everything works correctly until I try and edit the filtered DataList. Having set the EditItemIndex, I then need to read the values from the header filter controls to ensure the Bind returns the same collection of rows. I am calling a function that should return the Header DataListItem so I can get the filter values if set. The problem is the DataList Item collection does not seem to have the HeaderItems in it.
Ian HTML
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Dec 3, 2010
I have a Data list, inside that i have a repeater, inside the repeater i have a panel.hat i want to do is reference my panel (Panel1) so that i can change the visible properties when a link button is clicked. However as this is inside a dynamic control i am a bit lost in how to reference it! This is my code
[Code]....
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Jan 9, 2010
I' working on an Office Supplies website for a college course I'm doing. I have most of the website created, I'm just working on the shopping cart element of it now.
When the user goes to check out, I have a Gridview displaying the items the user wishes to buy as follows, it contains 3 columns, REF NBR, Product Name and Quantity, when the user clicks on the 'BUY NOW' button I want to take all the reference numbers from the Gridview and search teh database and deduct the Quantity from the number of items in stock.
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Jul 23, 2010
I have a method I want to use on two gridviews which contain different information, ideally i want to do an if statement, something like
if (GridView.ID = "GridView_ABC") {
// do this
}
else if (GridView.ID = "GridView_2") {
// do this
}
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Feb 15, 2011
I have an imagebutton control in the column HeaderTemplate of a gridview and want to know how to reference the imagebutton so I can add an attribute to it programmatically. Following is the code for my gridview control:
[Code]....
I can reference the checkbox control correctly with CheckBox chkbox = GridView1.FindControl("chkSelected") as CheckBox;However, I have tried the following code for the imagebutton but I get the error message Object reference not set to an instance of an object.:
[Code]....
Or is the OnInit event handler the right place to reference the control?
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Jan 23, 2010
i want to make a application attractive.
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Feb 27, 2011
I would like to know how to reference the asp.net text field which is in the EditItemTemplate tag of a DetailsView control to load the JQuery DatePicker when clicked in the JQuery script. Following are the code that I have, but it throws the error :
The name 'txtDateOfBirth' does not exist in the current context
JQuery at the header of the page:
[Code]....
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Jan 12, 2010
I have a formview that runs of an SQLDS, very simple stuff. Inside that form i have various fields, one of them is a credit field, one of them is a debit field. Now i have put a radio button list with two radio buttons (credit and debit). What i want to do is when the "credit" radio button is enabled i want the "credit" text box to be enabled and visa versa.
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Jan 3, 2011
I am using a CustomValidator to compare two textbox control values in the form view. These values are not required but must be compared if a valuue is entered. The same two controls are defined in both Edit Item Template and Insert Item Template. The formview default mode is Edit.
The javascipt for the custom validator works when in Edit mode. However, when the form view is Insert, the javascript throws an error of NullReferenceException. how I can adjust my code so that the client-side javascript works for both Edit and Insert mode?
The form view is in a content page. The script is in the Head content placeholder
<script type="text/javascript">
<!--
function cvSecondaryEmail_Validate(source, args)
{
[Code].....
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Jan 6, 2010
I'm currectly tryin to access a specific value in my database in a specific column. I'm tryin to use the primary key of the table to access the actual value in the row of that ID.
The current code:
[Code]....
Just iterates through the table and looking for any row with the boolean 'checkin' value is True, then it takes the 'id' value of that row and stores it into an array. Is there a way that I can access a another entry, and only that entry, in the table with the 'id' stored in the array?
Like if my data base contained and int, primarykey, `id` value, a boolean, `checkedin` value, and a `time` value, is there a way to access, lets say, the row with `id` equalling 3 and and the checkIn value from that row?
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Mar 3, 2010
using delegates how to write event for dropdownlistbox customcontrol in asp.net
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Jun 8, 2010
I am planning to use grid view control, before was using datagrid, planning on switching to gridview:
<asp:TemplateField HeaderText="Deleted">
<ItemTemplate>
<asp:Image id=ImgDeleted runat="server" Height="13px" Width="21px" ImageUrl='<%# [code]...
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Dec 7, 2013
How to show data in a single row from database....
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Mar 24, 2011
I have an editable GridView and I would like to add dropdownlistbox for editable columns. Is there a way to do it? I want to bind the data also so the dropdownlistbox comes with values.
Here is a sample source code:
[Code]....
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Jan 6, 2011
I have a gridview which is binded to a Sqldatasource. I would like to replace a column data field value to 'Not Applicable' if that column has got a value of 2 in database.
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Jan 14, 2010
I am looking to sort a column on my gridview by simply clicking on the column rather than clicking on the column header. In the design I have been given, the column header will not be shown, and I need to be able to give the user to sort this column, by simply just clicking any where on the column.
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Jun 3, 2010
I want to retrieve data from various column,which may some have blank value, so my problem is i want to retrieve only filled column(not any blank column) from multiple column.. I am doing this (given below) but it didn't return anything...
Column Name Value
Restaurant Restaurant
Spa Spa
Parking
Bar_Pub
Fitness_Center_Gym Fitness_Center_Gym
OleDbCommand cmd1 = new OleDbCommand("select nID Restaurant+''+Spa+''+Parking+''+Bar_Pub+''+Fitness_Center_Gym AS Facility from add_property where ncity='" + DropDownList1.SelectedItem.Text + "'", con);
DropDownList2.DataValueField = "nID";
DropDownList2.DataTextField = "Facility";
DropDownList2.DataBind();
con.Close();
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