Forms Data Controls :: Gridview - Update Statement Error?
Apr 29, 2010
I'm quite new to asp.net. I use MS Visual Studio 2008 and MySQL database. When I try to edit a record via gridview and the generated UPDATE syntax I get an error.I inserted a gridview into my asp.net web application and connected it to my database (all is OK). Then I checked for auto generation of update and other syntax:
[Code]....
When I test in a browser I get a pop window form for editing a record. But when I click "update" I get the following error:"You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '?, strSkrajsanNaziv = ?, strKraj = ?, strDavcnaSt = ?, SkupinaID = ? WHERE Stran' at line 1"what's wrong with the UPDATE syntax? Is this syntax only valid when using MSSQL?
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Similar Messages:
Mar 22, 2011
I need to loop through a GridView and get the values of a databound field. Then use those values in my update statement.
Here is the GridView:
[Code]....
And here is my UPDATE statement, which is actually just passing the values to a stored procedure:
[Code]....
Right now, I just have it grabbing the text from a label control, but I know that will not work as it only passes one value. I need to be able to update multiple rows based on the del_doc_num.
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Sep 1, 2010
I was wondering if there is any way to view an sql statement that is created by a templateField Gridview when updating? I had my Gridview working properly then I changed my update statement to update less fields and I changed a couple more things on the page and now I don't know what broke it. The error I'm getting is
"System.Data.OleDb.OleDbException: Syntax error in UPDATE statement."
When I searched for this error it said to debug it but all that happens when I do that is visual studio tells me there were errors because it couldn't find my header, which it does find when it runs regularly so this isn't the problem.
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Aug 11, 2010
I have tested and tried to fix this until I am blue in the face and can not figure it out...
[Code]....
The SQL works fine if I just query in SQL - I only get the error when I try to get anything from the SalesPerson table and display it in my gridview.
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May 31, 2010
myCommand.CommandText = "update Stutable set password as '" & TextBox2.Text & "' where rollno = '" & TextBox3.Text & "'"
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Jan 29, 2010
i built an oledb update stmt using the syntax from a 4 guys tutorial, http://www.4guysfromrolla.com/articles/071002-1.3.aspx , but am getting the above error
this is the update stmt
Dim strSQL As String = "UPDATE [orientationData] SET " & _
"[orientationTime] = @orientationTime, [targetAttendeeCount] = @targetAttendeeCount, " & _
"[locationRoom] = @locationRoom, [locationStreet] = @locationStreet, " & _
"WHERE [orientationDate] = @orientationDate"
sample how i build an update field into the update string
Dim targetAttendeeCount As Integer = _
CType(e.Item.Cells(0).FindControl("targetAttendeeCountTextBox"), TextBox).Text
Dim parmTarAttCnt As OleDbParameter = _
New OleDbParameter("@targetAttendeeCount", OleDbType.Integer)
parmTarAttCnt.Value = targetAttendeeCount
myCommand.Parameters.Add(parmTarAttCnt)
printing out the strSQL gives
sql string = UPDATE [orientationData] SET [orientationTime] = @orientationTime, [targetAttendeeCount] = @targetAttendeeCount, [locationRoom] = @locationRoom, [locationStreet] = @locationStreet, WHERE [orientationDate] = @orientationDate
so none of the variables are being resolved, i know they are being returned from, in this case a datagrid, because i have printed them separately, so am not sure at this point how to get the vars to resolve, i was hoping to not have to use all the quotes + apostrohes and thought the @syntax was simplifying that but not so. is there some way to code this with the @'s?
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Sep 23, 2010
I have a grid view. I had set the autogenerateedit buttion to true. and i wrote the following code
[Code]....
So, When i click the edit button on the grid view, it will show me 'update' and 'cancel' buttons along with text boxes for cells 1 and 2. but when i change the data in those text boxes and click the 'update' button, 'response.write' is sowing me the previous values rather than modified values. How to get the modified values into str1 and str2 ?
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Jul 11, 2010
I have a simple table. (with PK). I have created a tableadapter that selects all fields and filters with a control parameter. This works fine. The results are displayed within a DetailView control. All okay up to this point. I have then enabled 'Editing'.I can then click on the edit and change the text, but when I click the edit button the page updates but the value has not changed in the database?
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Jan 6, 2011
i have the code to test:
Cmd = New OleDbCommand("update TabEntrevistado set EntrevistadoConcluido=true where EntrevistadoCodigo =8", Con)
Now, I need something like this:
Cmd = New OleDbCommand("update TabEntrevistado set EntrevistadoConcluido=true where EntrevistadoCodigo =" + LblInfoEditar.text, Con)
The problem:
The LblInfoEditar is outside the datalist so it works fine. (note: in this label I put a value like the 8)
But I have this label to test because I need to access a label inside datalist:
<asp:Label Visible="false" runat="server" ID="LblNumEntrevista" Text='<%# Container.DataItem("EntrevistadoCodigo") %>'></asp:Label>
The problem is: in this line I've to put something to access this LblNumEntrevista HOW?
I try:
Cmd = New OleDbCommand("update TabEntrevistado set EntrevistadoConcluido=true where EntrevistadoCodigo =" +
ListaPendentes.LblInfoEditar.text, Con)
But of course I don't work because I can't do this...
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Jan 14, 2010
I have a gridview,when i do it is giving me null object reference error.
I am posting my code for your reference -
[Code]....
My gridview code is -
[Code]....
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Mar 12, 2010
i need to know if this can be done :
i have a grid form with 3 fields field1 & field2 & field3.
in the insert statement the field 3 gets a javascript function result that uses filed1 & 2 values.
Now what i want in the grid view update statement is : to call the @field 1 & @field2 from the update statement to a similar javascript function..(do soem calculation ) and then re-assign the java function result to the @field3 variable in the update statement..
(//// Or simply what i want is to do the same calcultions onthe fields while perfoming an update operation.. //).
how can i perfom the calculations in a grid view update statament ..
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Feb 20, 2013
When I press in a button "Update", I find this error:
"objectdatasource could not find a non-generic method 'update' that has parameters:
ID_MODULE, NAME_COMPONENT, DESCRIPTION_COMPONENT, TYPE_COMPONENT, CODE_COMPONENT, ID_COMPONENT, NAME_COMPONENT_1, TYPE_COMPONENT_1, DESCRIPTION_COMPONENT_2."
And the code of my gridview in this page is:
<fieldset> <legend>Module <asp:Label ID="moduleNameLabel" runat="server"></asp:Label> components list</legend> <br /> <div class="scroller_rem_boq"> <asp:GridView ID="GridviewComponent" runat="server" DataKeyNames="ID_COMPONENT" AllowSorting="True" AutoGenerateColumns="False" PageSize="5"
[Code] ....
The update methode in "cwt_package.Component" is
public void Update(string ID_MODULE,string NAME_COMPONENT,string DESCRIPTION_COMPONENT,string TYPE_COMPONENT,string CODE_COMPONENT,string ID_COMPONENT) {try
{DataTable moduleComponenents;moduleComponenents = this.existsComponentInModule(ID_COMPONENT, CODE_COMPONENT, ID_MODULE);
if (moduleComponenents.Rows.Count == 0){ OracleConnection chaine = cwt_package.connexion.connectString();
[Code] ....
The package "pa_component.modifier" is:
"
PROCEDURE modifier( idComp COMPONENT.ID_COMPONENT%TYPE, codeComp COMPONENT.CODE_COMPONENT%TYPE, idMod COMPONENT.ID_MODULE%TYPE, nameComp COMPONENT.NAME_COMPONENT_1%TYPE, descr COMPONENT.DESCRIPTION_COMPONENT_2%TYPE, typ COMPONENT.TYPE_COMPONENT_1%TYPE ) IS
CURSOR cur_inputOutput( p_idModule COMPONENT.ID_MODULE%TYPE, p_idComponent
[Code] ....
The table Component contains this columns :
"ID_COMPONENT,ID_MODULE,NAME_COMPONENT_1,DESCRIPTION_COMPONENT_2
,TYPE_COMPONENT_1,CODE_COMPONENT"
Where is the error ????
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Apr 23, 2010
I'm writing an update statement to update a user's password in the linked Access Database when they input (and confirm the input) of the new password in a textbox on my webpage.
The SQL statement that is being generated is - UPDATE tblUser SET [Password]=[chuck68] WHERE UserID=0000009
With tblUser being the correct name for the table, Password being the correct name for the field I wish to change and UserID being the linked field to lookup the password from.
The entirety of my code is as follows: (with the necessary import statement at the top of the class).
Protected Sub ChangePasswordButton_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles ChangePasswordButton.Click
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Jan 13, 2010
I have a gridview to update soem records, it works on my development laptop but when i use it on the webserver i get the following error:
Exception Details: System.FormatException: Input string was not in a correct format.
Source Error: [Code]....
Stack Trace: [Code]....
I have another page with a gridview that does exactly the same but from another table, and that works both on the development laptop and the webserver.the code is:
[Code]....
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Sep 3, 2010
the error occurs in the first line of the if statement...i really dont know how to fix this problem..
Dim GW1 As new GridView
GW1 = CType(Me.LoginView1.FindControl("GridView1"), GridView)
If GW1.PageCount < 1 Then
[code]...
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Sep 1, 2010
I have a table named [vacation time] with the colums startdate and enddate the table is conected with the [permits table]with the colums permname and permdays(int). i have to create a warning message for the user if the ((startdate)-(enddate)>permday) to avoid the update statement in my grid view.
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Dec 8, 2010
My sql statement is not functioning correctly. The gridview does post the items correctly but the results are not correct. Can someone assist me with the sql statement where I'm going wrong with it?
I only have one being reffer to the code because I was testing to see it work. Eventually, the search will be base on multi select and the selected items are going to the stored procedure to search for the proper records.
The following is the site code and sql code. -carlos
Site behind code:
[Code]....
[Code]....
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Jan 6, 2011
I have walked through other posts with a similar problem but I am very stuck.I am normally use Php/MySQL and am new to ASP (actually only this new client uses it and I'm trying to help them). I am trying to filter a table to only show the last 90 days of records. I found what I thought was the easy solution shown below:
FilterExpression="columnname < GETDATE() - 90"
Or, if you can modify your SQL SELECT statement
SELECT col1, col2, col3 FROM tablename WHERE col3 < GETDATE() -90
However when I added it I get this error:Description: An error occurred during the parsing of a resource required to service this request. Please review the following specific parse error details and modify your source file appropriately. Parser Error Message: Type 'System.Web.UI.WebControls.BoundField' does not have a public property named 'FilterExpression'.I think I have added the code to the wrong place or have another file to edit but I have no clue honestly. The best I can do is show you the file I have the code to in hopes someone may know what this is. Here is the code from the file I added the solution to (my edit is bold/italics/underlined towards the bottom): And shouldn't I have some select statements somewhere like I normally do with MySQL?
<%@ Page Language="C#" MasterPageFile="~/SecureRck.master" AutoEventWireup="true"
Codebehind="Default.aspx.cs" Inherits="SecureRckWeb.Reps.Default" Title="Reps" %>
<%@ Register Assembly="schedule2" Namespace="rw" TagPrefix="cc1" %>
[code]...
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Nov 4, 2010
I have a gridview and the gridview contains some boundfield, templatefield, checkbox and an update command button.
When I click the update button, I want to update only 2 columns. So I made rest of columns readonly=true.
BUT, there is a template field and I am changing the value of the template field from code behind. like below
[Code]....
I do not want to update the above column. so when I click update button, the rows having value more than 0 is working fine.
BUT The rows displaying "Expired" (value less than 0) showing error. It says "Object reference not set to an instance of an object."
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Nov 18, 2010
I have a conditional Eval statement in a Gridview that returns a boolean result to display an image if two datafields(strings) are identical:
Visible='<%# Eval("customerA").Equals(Eval("customerB")) %>'
Works great except I don't want the image to display if both datafields are empty. How can I add that logic into this Eval stmt?
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Mar 21, 2010
On Page1 of a project, I have a Gridview showing a table of customer names (showing CustID, CustName, CustJoinDate). When I click on a record, I have passed a querystring to Page2 showing an address table for that customer. This part works for me.
The SQL statement in simply: Select * from CustAddress where CustID = @cust
What I would like to do though, is capture that @cust to a session variable so that I can use it later on.
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Feb 9, 2010
I have a gridview that I am manually binding in my code behind page because I have to pull out information from other sources for the WHERE clause.The issue is that I get an error on the aspx page that one of the columns is not in the dataview, however when I run the SQL statement in SQL all the columns are there and there is not a spelling error.If I remove the column from the gridview then the page loads.I cannot see why the column is a problem.Here is my ASPX gridview code.
[Code...]
This is the line where the error occurs. <asp:Label ID="Label2" runat="server" Text='<%# Bind("date_submitted") %>'></asp:Label> Here is the code behind
[Code...]
Here is the ending SQL statement that works in SQL and does return the date_submitted column. SELECT id, title, date_submitted, (SELECT username FROM users WHERE (id = t.submitted_by_user_id)) AS submitted_by, (SELECT name FROM departments WHERE (id = t.department_id)) AS department FROM tickets AS t WHERE (closed_by_user_id IS NULL) AND (department_id = 48 OR t.department_id = 83) ORDER BY t.date_submitted DESC
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Mar 11, 2010
I'm attempting to bind multiple datasources to a single Gridview. Can someone direct me on how to change the below <%# Bind("") %> programatically in the code behind. For example, change "HRID" to "PayrollID" to account for a different column. the dataSource binds to the Gridview so the Rows will not be created yet.
I know how to accomplish this with a boundField, but I'm having issues with setting the text of the label in the ItemTemplate.
<asp:TemplateField HeaderText="ID">
<ItemTemplate>
<asp:Label ID="lblHR" runat="server" Text='<%# Bind("HRID") %>'></asp:Label>
</ItemTemplate>
<EditItemTemplate>
<asp:Label ID="lblNewID" runat="server" Text=""></asp:Label>
</EditItemTemplate>
</asp:TemplateField>
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Feb 19, 2011
One of my table columns is for date and I understand how to use the ORDER BY statement in general. But how would I have the gridview sort with only the future items (relative to the current date) apear and leave out the past entries?
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Feb 14, 2011
the select statement for my gridview contains a sub select statement..that should allow users to see how many queries are associated with a particular record..how can I get the queries column to display in my grid. As it is a count and not directly bound to any field
SELECT
WardID,
ScriptID,
DateAdded,
(SELECT COUNT(scriptID) FROM query WHERE scriptID = main.scriptID) AS queries.......
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