Why Can't Use Same AccessDataSource
Feb 6, 2011
I have a webpage with a gridview on it which is bound to a table in an Access database. So I now drop a dropdownlist on the webpage and when the Choose a Data Source popup appears if I select my Access data source there is nothing in the select a data field for display and select a data field for value fields on this popup. So it appears I have to create another Access data source. But why if I already have an Access data source on the same database? What am I doing wrong?
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Dec 27, 2010
I am attempting to insert into two tables at once, but it's inserting blank values into the first table, and then correctly inserting the values into the second table. here is my codebehind, I can post the rest of my code if needed.
[code]...
Even when I comment out the second insert command, the first one still inserts null values.
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Jul 25, 2010
When I add an AccessDataSource and attempt to configure it, the "Advanced SQL Generation Options" panel opens, but checkboxes "Generate INSERT, UPDATE and DELETE statements" and "Use optimistic concurrency" are sometimes grayed out.It appears that this happens when a table is specified that contains a foreign key, and it also seems that any Update query statement I specify in conjunction with a related databound gridview doesn't "take". What's the story here? Is it not possible to update a database table from a databound gridview control if the underlying table has a foreign key? Or is something else going on?
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Feb 4, 2010
I wish you are having a wonderful day Today I encounter a problem which I am unable to solver yet. have a e-mail subscription area and I am using accessdatasource for that. Also I am inserting the e-mail adress into database with AccessDataSource InsertCommand in aspx page not in codebehind. What I want is that;I want it to first check for the textbox-email value if it exists already or not ! Then if exists, I want to make "LabelOutPut.Text = "Already Exists !"" But if not exists, I want to do on button click that; "AccessDataSource1.Insert() and LabelOutPut.Text = "Subscribed !"
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Nov 6, 2010
I have a GridView where I am displaying the students List who ware absent for "ASP.Net Class" If Teacher 1 login then it is displying all the records who ware absent and same for remaining teachers. I want to display those records where TecherId matched..
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Select StudName FROM Class where Status LIKE 'ABSENT' AND Teacher Id =?
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I am using AccessDataSource and displying in GridView....
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Mar 17, 2010
I'm using an access database that has an AutoNumber field as the primary key. After adding a record I'd like to retrieve the ID for the record that was just entered, however, I'm not able to figure out how to do this in ASP.NET using standard AccesDataSource and FormView functionality. My goal is to retrieve the ID so that I can then use it to add an additional record in a child / sub table.
I could do it strictly using vb.net and forget about using the InsertCommand for the AccessDataSource and it's built in functionality. However, that would require a complete rewrite of some other items, accomplish this using the standard AccesDataSource functionality.
Below is a sample of something I've tried to do using "Direction='Output'" on one of the ID field for one of Insert paramaters (source: http://www.4guysfromrolla.com/articles/050207-1.aspx). The plan was to then caputre that "output" using the my "_OnInserted" sub procedue. However, apparantly I'm not able to use this with AccessDataSource. Did some research and saw that I'd have to switch to SqlDataSource which I'd rather not do cause all other pages use AccessDataSource and I'm having problems defining my connection string with it.
Html:
<html>
<body>
<form runat="server" id="Form1" method="post" encType="multipart/form-data">
<asp:FormView runat="server"
id="FormView1"
DataSourceID="DataSourceFormView1"
[Code]....
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Apr 5, 2010
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Aug 12, 2010
I have an accessdatasource linked to MS Db query with three fields (date, SR, & CR).I also have an asp.calendar control on my aspx page.I am trying to figure out what OnDayRender code (or any other code) that I would need in order to change the cell color on the calendar based on the value of SR or CR in the query
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I'm trying to display all orders placed and I have a primary accessdatasource control that has a select query to get the customer information and the orderID. I want to use the orderID value from this first query as a parameter for the secondary accessdatasource control that selects the product information of the products in the order. In plain english, I want to:- select product info from product table where orderID = ?(where ? is the orderID value from the first query)
I have tried the <%#Eval("OrderID")%> but I get a "server tag not well formed" error, but I do get results returned when I just type the order ID in, but obviously every result (order) just contains the same product info...
[code]....
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Oct 20, 2010
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Dec 1, 2010
M was creating web page. Then next day when i starts my project again, everything was running properly, but now in all design page the tool of AccessdataSource is not showing in Design page. Though its working but it is not showing in design page. it shows in other system. So due to its invisibility , some times i create four-five datasoure in one page. Same problem also happens in sqldatasource and all other datasource.
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Nov 6, 2010
I have my Access database bound to a Gridview and an able to Edit and Update the Grid as long as all columns are set to ReadOnly=False. If I make one or more columns ReadOnly=True I get the following error on updating: You tried to assign the Null value to a variable that is not a Variant data type How do I get past that problem?
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