I have a site which displays data form a MSAccess 2003 database in a DataGrid. For simplicity sake the data is products ie an ID, Name, Description and a value representing the amount in stock.I want to allow the user to update the stock field via the datagrid but not be able to change any of the other fields. Is this possible?
View 5 Replies
How do I use the Update command in GrideView?
I would like to use update command for specific fields in the dataset, but not all fields from database ( or maybe in GridView? )
I am using VS2003. How do I get specific cell of datagrid?
View 2 Repliesi was wondering if it is possible to make a gridview show only specific fields according to other fields in the grid view....
such as showing a button for one row but not the other due to different field values
I have a datagrid which displays a list of user data, such as name, his or her status, age. I have created a list of rows of user data but where the column shows status for example Single, Married, i want it to create a dropdown list where i can easily change the user status by selecting it from a dropdown and clicking the update button at the top of the datagrid. The update button will update all records that have been changed not just from the dropdown. I assume the dropdownlist requires a columnbinding event but i can't find any straight forward tutorials.
View 2 RepliesI have a page in my web app that is aquiring an aggregate of data from my SQL Server. What I want to do is display that content into categorized columns in a DataGrid based on the ID number of the record. Each category would have a category name (header) and have listed underneath the subject with the NavigateURL pointing to another page to display the full content.
For instance:
Category1
=============
Grocery Stores (ID:100)
Hobby Shops (ID:101)
Furniture Stores(ID:102)
Category2
=============
Call mom (ID:200)
Make Dr. Apt. (ID:201)
Wash dog (ID:202)
Category3
=============
Dinner with Pam (ID:300)
Breakfast at Tiffany's (ID:301)
Brunch at the hotel (ID:302)
how to seperate the topics based on the ID like in the above example from one query. I'm using one query to reduce the amount of connections to the SQL Server in hopes of making it more efficient.
i got a problem to update my database which i bounded to datagrid. The problem is, i want to update my database only by clicking one update button at the bottom.. when the user click it, all the fields will be updated to database.
View 3 RepliesI am having an issue with a simple databind to a datagrid. What happens is that for some reason, the first character of the data going into the 4th column is getting placed at the end of the data in the third column; but only on the first row. Here is an example of what I mean:
Form ID
Employee No
Associate Name
Start Date
End Date
Form Status
1234
5000187
Stan Marsh1
1/16/2010
11/30/2010
Approved
1234
5000187
Eric Cartman
11/16/2010
11/30/2010
Approved
1234
5000187
Kyle Broflovski
11/16/2010
11/30/2010
Approved
As you can see, in the first row of data, a "1" has been moved from the Start Date column to the Associate Name column. Because this is a databind I don't see how this is even possible. I'm just curious if this is a known issue or just some random fluke. Here is the relevant code:
[Code]....
I have Two fileds the names are QtyRec and QtyReq in my table when These two are identical(10=10) then corresponding recrod should not listed in Gridview. Can any one provide solution
Gridview Code is
Public Sub retriveDataToDataGrid()
Try
Dim connectionString As String = "Database=pjt;" & "Data Source=localhost;" & "User Id=root;Password=prasad123"
Dim query As String = "Select WONumber,paertno,mfgpart,manufacturer,QtyRec,QtyReq,QtyShort,Duedate,Notes from ilist order by WOnumber"
Dim connection As New MySqlConnection(connectionString)
Dim da As New MySqlDataAdapter(query, connection)
Dim ds As New DataSet()
If da.Fill(ds) Then
GVIL.DataSource = ds.Tables(0)
GVIL.DataBind()
End If
connection.Close()
Catch ex As Exception
Console.WriteLine(ex.Message)
End Try
End Sub
I have a Gridview showing the data on one of my tables, and when I try to edit the data in one of the columns after I click update, rather than updating the record with the new value I typed in, the rows become null as in, everything in the row I just edited disappears. This inmediatly makes my application crash because one of the fields in my table (IssueDescription) doesn't allows null values.
This is the code, which is actually 100% auto-generated from when I created the GridView control and specified in the options to implement update, delete, edit options.
<asp:GridView ID="GridView1" runat="server" AllowPaging="True"
AutoGenerateColumns="False" DataKeyNames="ticketNum"
DataSourceID="SqlDataSource1" [code].....
What is making the rows turn into null after the update? I did some research and tried to define the Update behaviour myself using RowUpdating function. After hours of learning how to use it I got it to "work", but because the Update turns everything to null when it updates, the sqlconnection command I use to do the query sends null anyways. I can paste the C# code if you'd like to see it, though I'd rather not use it if the auto-generated by asp above can be fixed instead.
I have datagrid, View details button on the datagrid. If I click on the button, It will redirect to another page with all the details. I have update button and return button on that page. If I click on update, It will update data in the database. If I click on the return button, It will return to previous page which has datagrid but I want the update details in the datagrid. I have a big doubt, how to store that datagrid so that we can retrieve data on return button
View 7 RepliesI have a Formview control that has several lookup fields. The value is an int ID but the textfield is the name, e.g. value = StateID, displayed text = StateCode)
If the user leaves that field blank, I get a Server Error when attempting to Update: Failed to set one or more properties on type orgOrganization. is not a valid value for Int32.
In the table for the LinqDataSource which provides the data for the Formview, all fields except the text field OrganizationName allow Nulls.
Does anyone know why this might be happening? I tried a test which just has the numbers, no lookups, and get the same result.
I'm trying to use the DetailsView to make Updates. The problem is that it can't handle empty fields even though the underlying table field allows nulls.
I get a message like this if I change the "State" field to blank when doing an update
The parameterized query '(@Cust_ID int,@Cust_DL nvarchar(7),@DL_State nvarchar(2),@Last_N' expects the parameter '@State', which was not supplied.I'm using an object data source control which is calling the EditCustomer method in my Customer Class. I'm not sure how to fix this.
[Code]....
Im a newbie, hoping any experts can lend a hand. I have a gridview table connected to an SQL database. I have auto generated the update and delete methods to allow me to edit the gridview.
However, I would like the editable data in the gridview to be replaced by a selectable drop-down box. The drop down box is referencing an sql table for selection.
i am using asp net 2.0 and mysql. I need to implement a datagrid with the possibility to update a record but i am having problems and i don't know why.
this is the code:
[Code]....
the primary key of the table is a composed key fot IdOrdine and IdMezzo.
I use the following with datagrid to call itemcommand or update command etc, and i do this:
If e.CommandName = "doAdd" Then
End If What is the equivalent check in gridview?
is it possible to refresh my gridview at specific intervals without using using Ajax or the update panel..our system is to old to use Ajax!
View 3 RepliesI have a GridView with a DropDownList in it bound to the [Applicants] table in SQL Server 2005.
The DropDownList Items Text and Value come from SqlDataSource3, "SELECT VoucherType, VoucherNumber FROM [Vouchers]"
I need to send the DDLs selected Text to [Applicants].[VoucherTypeIssued] and the Value to [Applicants]. VoucherNumber]
I already have a "dlVoucherTypeIssued_SelectedIndexChanged" event in the code behind to put "Voucher Issued" into [dbo].[Vouchers].[VoucherStatus]. I'm having trouble getting all three values written to the database at the same time.
I have followed an online Microsoft tutorial that walks through building a Northwind.xsd that includes ProductsTableAdapter and a few other such table adapters (http://msdn.microsoft.com/en-us/library/aa581776.aspx).
Question: I now see a update column at the start of each row of the datagrid for AllProducts page. When I click update on a row and change the value of one of the non-primary fields (ex. Productname) and press Update, I get the following error:
The GridView 'GridView1' fired event RowUpdating which wasn't handled. How do I implement this event handler in VB? I know that when I implement using SQLConnection and use templatefields to bind each column I don't need to implement each event handler.
I have take a datagrid view and now i want to update the records as the database is been normalized i need to enter the multiple rows at once. How you I convert the datagrid to enter the data so that it would be easy for me to update the records?
View 1 RepliesI have an Objectdatasource configured with Select, Insert, Update & Delete queries in a Dataset. This datasource is linked to my Gridview. I do not require all fields in the table to be displayed or updated in my grid so i have turned off the Visible property on several.
However, when i go into Edit mode and trigger the UPDATE to the database table, i get NULL values updated in the columns i set False for the Visible property.
How can i remove these columns from the GridView and the Edit mode and still have them UPDATE with their current values instead of being overwritten with NULL's?
This morning I posted a question w.r.t Radio Buttons, but the requirement changed so I'm posing a similar question.
I want to have a checkbox in a datagrid.
Suppose I click on one of the checkboxes and then realize i need to click on another, the screen has to automatically uncheck the previously clicked checkbox and then check the newly clicked checkbox.
In other words I need to clear previously checked checkboxes and check the recently clicked checkbox.
Also, I need to update a label in the page with a value associated with the row of the checked checkbox.
I should not be using a javascript to do this.
I have a datagrid that the user can edit and click a checbox then input their initials to update a task. The update works except it does not record the userid field. Below is the gridview code and the vb/sql
[Code]....
im trying to add edit button in my gridview. Â when click in that row the values will automatically filled up the textbox. Im done w/ remove button. here is my code
<asp:GridView ID="gvAddedPersonnel" runat="server" AutoGenerateColumns="False" CellPadding="2"
Style="width: 100%" onSelectedIndexChanged="gvAddedPersonnel_SelectedIndexChanged"
ShowHeaderWhenEmpty="True" onrowcreated="gvAddedPersonnel_RowCreated">
<Columns>
[code]...
How can i add the update button w/out conflicting to remove.
This is the sqlDateTime overflow problem again. Background. As I'm sure you know dates must be between 1/1/1753 and 12/31/2999. If you have an empty date field, it throws and exception. So I created a function (below) that solve the problem when attempting to update or insert a record with a date field. Works great.
Public Shared Function MakeDateField(ByVal pasDate As String) As Nullable(Of DateTime)
If IsDate(pasDate) Then
Try
If pasDate <= System.DateTime.MinValue Then
Return Nothing
Else
Return CType(pasDate, DateTime)
End If
Catch ex As NullReferenceException
Return Nothing
End Try
Else
Return Nothing
End If
End Function
So I thought about using a time field. I have the field, have the validator in place and then attempted to test the page. It resulted in my least favorite error message "sqlDateTime overflow".
I can think of several workarounds like adding a date or a fixed date to the time field, or converting it to a string. Each of these is problematic.
IS THERE A BETTER WAY TO UPDATE/INSERT TIME FIELDS.
