Asp.net - Getting SQLDataSource Update Parameter From Gridview?
Mar 28, 2011
I am trying to get a parameter for my update from the gridview but it is an ID column that I do not want displayed. If I display the data in a boundfield it works fine but if I set the visibility to false the parameter is no longer sent to the update stored procedure. There does not appear to be a hiddenfield column that I can put into the gridview.I have tried to set the parameters through the code behind but I am not certain on how to access the data I want the following code does not work (It sets the parameter to nothing
Protected Sub grvFacilityDisciplineBillingRate_RowUpdating(ByVal sender As Object, ByVal e As GridViewUpdateEventArgs) Handles grvFacilityDisciplineBillingRate.RowUpdating
Dim row As GridViewRow = grvFacilityDisciplineBillingRate.Rows(e.RowIndex)
[code]....
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Nov 15, 2011
I am retrieving the scope_identity of a db entry, and I want to use that variable in a different SqlDataSource, primarily as an but I am unable to access the variable.I have the variable being displayed in a msgbox, and it is displaying properly, I am just unsure how to access it in the SqlDataSource. Here is my code;This is the datasource that inserts the first information and received the scope_identity, as well as the _inserted event;
Code:
<asp:SqlDataSource ID="InsertPatientInfo" runat="server" ConnectionString="<%$ ConnectionStrings:DataConnectionString %>"
providername="<%$ ConnectionStrings:DataConnectionString.ProviderName %>"[code]....
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Jul 19, 2011
I'm in the process of switching my application from MSSQL to MYSQL. When I was using MSSQL, I retrieved the last auto increment value via
Private Sub dsImpoundInformation_Inserted(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.SqlDataSourceStatusEventArgs) Handles dsImpoundInformation.Inserted
_impoundId = e.Command.Parameters("impoundId").Value
End Sub
[Code]...
ultimately, I'm just trying to get the last auto increment value but there are other sections of my code in other applications that I plan on switching to MYSQL that depend on output parameters. I have't yet explored using stored procedures but at this time I would like to get this to work in a similar fashion to how I had it with MSSQL.
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Feb 20, 2010
Let's say we have a value coming in through the URL of a page. Example: www.test.com/page.aspx?&Key=Val. Val is retrievable through Request.Querystring("Key").Is there an accepted best practice for assigning a QueryString Value to a parameter of a SqlDataSource defined on an ASPX page?
Options that I know of: Do not include parameters in the ASPX file. Add them directly through the codebehind -- and assign Param.DefaultValue upon adding. Set Param.DefaultValue in the page load (Codeblock 2)
Both of these use DefaultValue, a property that clearly was not intended to be used in this manner. Do the ASP.NET overlords have a recommended method in mind for achieving this common task?
[Code]...
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May 18, 2011
I am trying to use a label from another row in the gridview and insert it in a table when the user clicks the button which is in its own column.
my problem is that i cant get bookno which finds the label set to the @bookno in my sqldatasource
Protected Sub Button2_Click(ByVal sender As Object, ByVal e As System.EventArgs)
Dim selectedRow As Button = DirectCast(sender, Button)
Dim bookno As Label = CType(selectedRow.FindControl("label1"), Label)
[Code]....
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Jul 21, 2010
I have a gridview that is set to a sql datasource, it is generating the columns automatically. If I add a column to the table it is referencing, it will draw that column and display it, but it does not update the insert/update commands to include the new column. Is there any way have it rebuild those commands automatically?
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Feb 27, 2012
while configuration sqldatasouce1 IN ASP.NET i used sql statement where sql statement is working well in Test Query THE statement is as follows
SELECT
Name, Gender, Cast, Qualification, Occupation, Country, Age
FROM
Registration
[code]....
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Jun 12, 2011
I want to UPDATE query instead INSERT INTO using this code?
Dim cmd As New OleDbCommand("INSERT INTO tblPurchase_Order ([Order_Id],[Supplier_Id],[Address],[Project_Id],[dtpDate],[Material_Id],[Material_Name],[Unit],[Quantity],[Unit_Price],[Amount]) VALUES (@Order_Id,@Supplier_Id,@Address,@Project_Id,@dtpDate,@Material_Id,@Material_Name,@Unit,@Quantity,@Unit_Price,@Amount)", conn)
[code].....
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May 19, 2010
I have to update some fields of a table of access according to the value of parameter. If this paramter is "true" I need to update.
Table
idInvoice
price
[Code].....
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May 24, 2012
I have a checkbox named chkFactureren.When I want to save the value of that checkbox to my ms access 2003 DB I get the error: oledbexception was unhandled by user code - data type mismatch in criteria expression
cmdUpdate.Parameters.AddWithValue("@Factureren", CBool(Me.chkFactureren.Checked))
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May 29, 2012
I cant select and update... from one gridview (call GW)I need to set always the date when the user update the info. how u do that?I trie several idea. By all null value in the gridview column date, set to current system date.. dont work 4 me.Then true the update process same problem using the DefaultValue="<%= DateTime.Now.ToString() %>"
`UpdateCommand="UPDATE [partes] SET [ESTATU] = ?,[SCONF] = ?, [SNOTES] = ?, [CONFDAT] = ?, [DCREA] = ?, [ASN] = ?, [ASNDATE] = ? WHERE [ID] = ?">
<UpdateParameters>
[code]......
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Jan 30, 2012
I have a form with many text tboxes; 5 text boxes (columns) in each row; each row will become a record.[code]...
Ho do I write these values from text boxes in a gridview control? If a value is changed in any of the text boxes then the gridview control should refresh with updated data.
I am able to write this data in a gridview with the following code but it is badly written [code]...
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Oct 27, 2009
Is it possible to update data in Gridview in VB.Net???On Which event we write our update query?????
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Jul 18, 2006
Currently, I am using a VB.NET to generate an interface for the user to update parameter of a PCB board MCU. However, I found that some data might be having a problem while transmitting.
Previously, I am using a chrW() to change the transmit data before put into the MyRS232.Write(), however, some data have corrupted or changed while I transmit. The signal show the checksum is wrong while sending the set of data.
After I use an oscilloscope to check the signal transmitted. I found out that, when I sent the data is between &H80 to &H9F (&b 100* ****), the signal will change to &H3E (&b 0011 1111). Anyone have any idea why this happened? Now the temporary solution I found for this one is I use a chr() instead of chrW() for the data between &H80 to &H9F.
[Code]...
I am using another function ChrWt instead of Chr or ChrW only. I remember that, I change from Chr to ChrW because some data corrupt also while I sent using Chr only. Did anyone of you having this problem as well? Any suggestion instead of using another function?
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Apr 5, 2011
I have a list of items in a GridView, with one column I'd like editable through a DropDownList.
I do not wish to put the GridView into 'edit' mode or have any 'confirm/update/save' buttons.. I just want autopostback on the DDL, and an OnSelectedIndexChangedevent to update the row.
Problem is, from my OnSelectedIndexChangedevent within the DDL, although I can see the new value to save, I can't discover the row to update from the GridView.
how I can achieve what I wish? Other than perhaps storing the row id within the DDL? Maybe turn it around so the GridView's events are called?
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Nov 18, 2011
Im learning to use a gridview and a problem that im seeing is that putting an edit command in the gridview so that I can update a particular row. When I click the edit, it turns to the update as expected, I hit the update and the particular field turns the row into editable textboxes which is expected. The problem that I notice is that if I click another row, I get this error:
[Code]....
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Mar 13, 2012
I have a grid view which uses SQL to calculate information that I need! I want to put this calculated total into another table in database.
SELECT StaffDetails.StaffID, SUM(HolidayRequests.RequestTotalDays) AS Expr1
FROM HolidayRequests INNER JOIN StaffDetails ON HolidayRequests.Username = StaffDetails.UserName
[Code]....
It basically calculates the total number of approved holiday requests for a staff member which is correct. I want this number to then update the HolidayTaken field in another table each time a holiday is approved.
I have tried an update however you cannot use an aggregate in an update as I have found.
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Oct 14, 2011
I have asked a question similar to this in the past. I was able to resolve it by removing gvRowDataBound completely from the code. This is similar code except I can't remove gvRowDataBound sub.
The issue is that when you click the Edit button of the first row, it allows you to successfully update that row.After the first row, if you click on thr edit button of any other row, enter the value to update, it doesn't update that row.
Instead, the cursor moves down to the next row. I didn't design this and having difficulty figuring out what needs to change.
[Code]...
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Nov 11, 2008
Visual Studio 2008Visual Basic / .NET Framework 3.5I am developing an application to access data from multiple tables.Example Tables:- BaseInfo - Terms - OtherPeripher
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Nov 29, 2011
I am having some issues with a parameterized SQL Lite query. I can't seem to get the SQL Lite Parameter to accept the String value
Using cmd As SQLiteCommand = pConn.CreateCommand()
If tblLang = "en" Then
cmd.CommandText = "UPDATE [AT_Strings] SET [Data] = @tblData + 1 WHERE [RecordID] = @ID AND [language] = @tblLang1"
Dim tblData As New SQLiteParameter("@tblData")
[code]....
The error is as follows....Unable to cast object of type 'System.String' to type 'System.Data.SQLite.SQLiteParameter'.Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.
Exception Details: System.InvalidCastException: Unable to cast object of type 'System.String' to type 'System.Data.SQLite.SQLiteParameter'.
Source Error:
Line 283: Dim ID As New SQLiteParameter("@ID")
Line 284: Dim tblLang1 As New SQLiteParameter("@tblLang1")
ERROR on Line 285...
Line 285: cmd.Parameters.Add(dataText)
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Oct 13, 2011
I am getting an incorrect repsonse after an update to a table. In my RowUpdating event I have the following code which builds an Update Parameter to call an SP to update a table. I must be doing something wrong but everything runs fine. My rowsAffected variable reports 1 after the update, but the table never gets the data.[code]I found a solution that is working. On the original DataSource for the update command I needed to add the following.[code]This in essence allows the original data source to call the SP. Note: that the command type needs to stay as TEXT not Stored Procedure as one might think.
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May 31, 2012
I have a GridView with ItemTemplate. I am trying to approve and reject booking using ImageButton but I do not know where and how to put the sql command to update booking status.I need hints to continue my coding.
Here is my ItemTemplate for Accept and Reject imagebutton:
<asp:TemplateField HeaderText="Action">
<ItemTemplate>
<asp:ImageButton runat="server" ID="acceptBooking"
ImageUrl="~/images/accept.png"
OnClientClick="if (!window.confirm('Are you sure you want to accept this booking?')) return false;" />
</ItemTemplate>
[Code]...
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Jul 11, 2011
I've got a gridview (ASP.net) inside of an update panel. I also have a "Save" button so that when I click "Save" it loops through all the rows of a grid view and passes the data to a stored procedure to update each row. This was too slow as sometimes I would be updating the database even though a change did not occur.
I decided to add a field in my gridview like so:
<asp:TemplateField>
<ItemTemplate>
<input type="hidden" id="hdnIsChanged" runat="server" />
[code]....
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Sep 27, 2011
Apparently, part of the problem is that while an ASP:GridView has an OnDataBound() event (which you can use in the code-behind), the corresponding HTML table that is produced does NOT, so you can attach that event to JavaScript. (Did I get that right?) So, that's why I'm having trouble with that bit of the issue. Back to the drawing board. I'm a desktop developer (WinForms with VB.NET) transitioning into ASP.NET development. My mind is really bending around the DOM and JavaScript and Session State and all of the stuff that goes along with web development. I'm not stupid, and I've done research (including hours of video watching and hundreds of pages of "Intro to ASP.NET" reading), but I keep hitting the wall with what seem to be fairly straightforward problems.
Basically, my current situation can be summed up as follows:
I have a page that runs a very long process initiated by the user. The long process can take up to a few minutes , so I want to indicate to the user that SOMETHING is happening.When the process has completed, I either have:
a. Results to show in a GridView
b. No results to show
If I have results to show, I want to display them. If I have no results to show, I want to show a label to the user that says "No results to show."
[Code]...
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Mar 29, 2012
This is the code for displaying data from database to gridview....If i am doing any changes in GridView and it has to update in database.[code]...
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Feb 20, 2012
I'm creating a dynamic gridview in vb.net using a connected sql database. Everything works fine except 1 thing: when i click the update command, the event just won't fire no matter what I do. the gridview goes into edit mode and the cancel button works fine. This has cost me over 2 days of googling but none of the solutions work. I used breakpoints to check if the code was executed, but it wasn't. If anybody has any experience in this:I believe the problem lies in the addhandler but it doesn't give any errors.I forgot to mention that the sql command was a test and sets the data in that field to 15, now it's 10, it works when i use a normal button or a static gridview.
Public Class WebForm1
Inherits System.Web.UI.Page
Dim rowscount As Integer = 2
[code]....
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May 20, 2012
I want to add booth detail into database, after user insert booth alias, select booth type and booth duration, next click submit button and the newly added record will appear in the gridview below the old records. I know there are something missing in the code but I not sure what is the problem.
The client code:
[Code]...
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Apr 22, 2012
I have the following gridview that is inside an updatepanel:
<asp:UpdatePanel ID="UpdatePanel1" runat="server">
<ContentTemplate>
<asp:Button ID="ButtonAdd" runat="server" OnClick="ButtonAdd_Click" Text="Novo Artigo" />
[code]....
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Dec 17, 2010
I have column in database
[Code]...
I want when any user search For: Delhi to Manali on between 17-Dec-2010 to 19-Dec-2010 then the price would be automatically changes to $900 in gridview else the default price wold be displayed in fare is $600 if he search for DelHi to Manali after 19-Dec-2010.
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Jul 13, 2010
I have a gridview with 3 columns, only one column is going to be edited by the user. Whenever it is edited I'd like to set one of the other columns to the current time. A "time last updated" if you will.
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