C# - Update Gridview From Code Behind In .net?

May 29, 2010

I have gridview in my asp.net 3.5 application [C#]. Which looks like this:

<asp:GridView CssClass="grid_table" ID="GridView1" AllowPaging="true" PageSize="10"
AutoGenerateEditButton="true" ShowHeader="true"
AutoGenerateDeleteButton="true" DataKeyNames="studentId" runat="server"
OnRowEditing="GridView1_RowEditing"
OnRowCancelingEdit="GridView1_RowCancelingEdit"
[code]...



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Forms Data Controls :: Update Gridview From Code Behind?

May 29, 2010

I have gridview in my asp.net 3.5 application [C#]. Which looks like this:

[Code]...

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Forms Data Controls :: GridView; Load From SqlDataSource / Update From Code-behind?

Dec 4, 2009

well my problem is that I have this GridView that loads its data from 2 controls (DDL and Calendar); and I want to be able to Update the last column of this GridView, I set this last-column to ReadOnly=False; also added "Edit" CommandField; but now it will ask me for an UpdateCommand; but I need to do some validations before updating and need to do that via Code-Behind; is there any solution to do this?

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AJAX :: Update Panel With A Gridview Loaad And Perform All Update.delete, Select Operations Throug Update Pabel?

Nov 16, 2009

i am using an update panel with a gridview and want to loaad and perform all update.delete, select operations throug update pabel without complete page refresh but i cant fo that

here is what i am doing,

<asp:ScriptManager ID="ScriptManager1" runat="server">
</asp:ScriptManager>
<asp:UpdatePanel ID="UpdatePanel1" runat="server">
<ContentTemplate >

[code]...

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Forms Data Controls :: Update Gridview Row After Clicking On Update Button?

Nov 5, 2009

I have a gridview which is initially bound to datasource which gets data from .csv file.Then I edit the gridview contents, which need to be updated on the gridview itself by each update button click on the row.After edition,I need to update the database by all the updated rows of gridview on single submit button click .

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DataSource Controls :: Update The Data Of A Database Through A Gridview Update Button?

Apr 19, 2010

i want to update the data of a database through a gridview update button

how can i attach a dataconvertion like this

[Code]....

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Forms Data Controls :: Use Edit (Update And Cancel) Buttons In Gridview To Update A Different Datasource Than The One?

Dec 7, 2009

I have a gridview that is bound to a view that joins multiple tables.I would like to use the Edit (Update) button to update a separate datasource(s), which would be the individual table(s) that composed the view.
I am not sure how to do this though... I tried to use the gridview.rowupdating event and set the update parameters for the other datasource(s) and then use the datasource.update() event to trigger the update, but I get an error saying that I need to pass the dictionary values or change the mode to OverwriteChanges.
Should I try and set the UpdateCommand for the datasource that is bound to the gridview in the rowupdating event for each table that needs to be updated?

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Forms Data Controls :: Update Multiple Rows Of Gridview On Click Of Update Button?

Jul 10, 2010

I want to update multiple rows of gridview (only price field. for that i have added textbox) on click of update button which is outside of gridview.I have done following way

<asp:LinkButton ID="lnkUpdate" CssClass="BlueButton" runat="server" OnClick="lnkUpdate_Click">Update</asp:LinkButton>

[Code]....

Up to this its working fine but when no textbox updated then no need to go in for loop so i am looking for confiramtion before updating rows please help me how to do that becausei am less aware with javascript. another problem is textbox value disappear when page index changed how i can retain that values.

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Forms Data Controls :: Gridview Update Mode Is Not Ending After Clicking On Edit Then Update?

Mar 23, 2011


[Code]....

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Forms Data Controls :: Update A Row Using The Update Functionality Of Gridview?

Jun 28, 2010

When i try to update a row using the update functionality of Gridview it updates all the rows rather then updating that specific row which is in edit mode.

[Code]....

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Forms Data Controls :: Gridview Perform Update And Insert At The Same Time (in Edit Mode When Clicking Update)?

Nov 6, 2009

Is there a way to perform and update and insert at the same time?I have a gridview and in edit mode I need the user to check a check box, when they click the Update button to save the data I want to 1st update the table my data is coming from with some value and I also want to insert some data into another table for tracking purposes. Is there a way to do this?If so can you also provide a ling to learn more about this or a code snippet as well please.

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C# - Gridview Update Changing Update Parameter?

Oct 20, 2010

I have a Gridview where I can modify the Time portion of a DateTime field. The update method is working well, except for one thing:The field should only allow the time portion, e.g 08:23:09 but on the Database it saves it as a full DateTime, e.g 10/18/2010 08:23:09 AM. The problem is that upon editing, instead of adding the existing Date portion, it adds the current Date portion. So if I am editing the item from the last example into 08:25:09 instead of adding it as 10/18/2010 08:25:09 AM it adds it as 10/20/2010 08:25:09 AM which is obviously undesired behavior.Here's how I am doing the update:

protected void grvOutHour_RowUpdating(object sender, GridViewUpdateEventArgs e)
{
GridView grvOutHour = (GridView)this.grvReport.Rows[grvReport.EditIndex].FindControl("grvOutHour");
TextBox txtBox = (TextBox) grvOutHour.Rows[e.RowIndex].FindControl("txtEditOutHour");

[code]...

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Forms Data Controls :: Gridview Update / Delete Command Like A Update Command?

Apr 26, 2010

how would i do my Gridview delete command like a update command?

im using a datasource... and my delete command is like my update command... so i can change the status into "INACTIVE"...

DeleteCommand="UPDATE ACCOUNT_MAINTENANCE SET am_status = 'INACTIVE' WHERE (accmain_no = @accmain_no)"

UpdateCommand="UPDATE [ACCOUNT_MAINTENANCE] SET [account_type] = UPPER(@account_type), [min_deposit] = @min_deposit, [min_capital] = @min_capital WHERE [accmain_no] = @accmain_no"

when i press my delete command at gridview... the status changed into "INACTIVE" but when i refresh or press f5... it automatically update the status into "INACTIVE" also...

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Update A Value MS SQL Database Via Code Behind?

Oct 24, 2010

I've been using the code below to read from a database (found on this site a while back), but I'd now like to modify it to UPDATE a value. I'd be grateful if someone could show me how to change it?

[Code]....

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Forms Data Controls :: How To Update Parent Gridview After Updating Child Gridview

Dec 14, 2010

I have a parent gridview which has a child gridview in the itemsTemplate. Both are binded to different SqlDataSources. I can successfully update and delete rows in the child gridview. After updating in the child gridview, some related data in the parent gridview are not updated automatically. So i have placed ParentGridview.Databind() in the rowupdated event of child gridview. But it doesnt look working.

How can i accomplish this?

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Forms Data Controls :: Loop Gridview To Update Values In Gridview To Stored Procedure?

Jan 14, 2010

I would like to ask a question on the visual basic codes to loop the gridview to retrieve the values and based on the values, it will be provided as parameters to update to the database table using stored procedure.

Firstly, I have a gridview named grvProduct. The page (ui) will be loaded with data from the database with the use of stored procedures. And only certain values can be edited through the use of template in gridview. So based on those edited values, I'm supposed to pass these values as parameters to the stored procedure which will then update a database table.

Let say, I have 3 records retrieved from the database and displayed in the gridview. And I would like to edit a values in the 3 records, how do I do batch update and pass those parameters to the stored procedure? I went to debug and step through the visual basic codes and realised there were too many arguments specified because I actually loop the gridview.

Below is my visual basic codes:

[Code]....

Below is my Stored Procedure code:
[Code]....

I believe it is the error in the looping of the gridview which results that I could not batch update the data/values.

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Jun 1, 2010

I have a label on a page and I'm updating the text property of the label (with a calculated value) when text is changed in a textbox.I'm updating the label like so:$myLabel.text("123");The text is being displayed correctly on the screen butwhen I try to save the text value to an object in the code behind (When I press a button) the text property of the label is "" and not "123".

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Feb 2, 2010

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May 14, 2009

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Jan 13, 2011

I know that you can call an update on an UpdatePanel server side by calling the Update function on it. I have done this in the past, though in the past I also had a ContentTemplate. In one of my current projects I add all of the controls to a the UpdatePanel in the code behind so there is no ContentTemplate defined. Is there a way to update the UpdatePanel from the code behind despite this, or am I barking up the wrong tree?

<asp:UpdatePanel runat="server" updatemode="Conditional">
<ContentTemplate>
<asp:PlaceHolder runat="server" />
</ContentTemplate>

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C# - Update The DOM But Do A Check On The Data With The Code-behind?

Feb 23, 2011

This is with ASP.NET Web Forms .NET 2.0 - I have a situation that I am not sure how to fulfill all the requirements. I need to update an img source on the page if selections are made from a drop down on the same page. Basically, the drop downs are 'options' for the item. If a selection is made (i.e. color: red) then I would update the img for the product to something like (productID_red.jpeg) IF one exists. The problem is I don't want to do post backs and refresh the page every time a selection is made - especially if I do a check to see if the image exists before I swap out the img src for that product and the file doesn't exist so I just refreshed the entire page for nothing.QUESTION:So I have easily thrown some javascript together that formulates a string of the image file name based on the options selected. My question is, what options do I have to do the following:submit the constructed image name (i.e. productID_red_large.jpg) to some where that will verify the file exists either in C# or if it is even possible in the javascript. I also have to check for different possible file types (i.e. .png, .jpg...etc.).not do a post back and refresh the entire page

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Forms Data Controls :: Update Gridview With A Button Outside Of The Gridview?

Feb 6, 2011

- I have a Gridview , when i click button edit of each rows to update database in Gridview . So when in edit mode , i want to update database in Gridview by using a button outside of the gridview instead of using a button inside Gridview .

- Here is my code used for update database by a button inside Gridview :

[Code]....

- So how i can do with a button outside Gridview to update batabase? .

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Forms Data Controls :: Update GridView With Button Outside Gridview?

May 18, 2010

I know this is simple and have already googled it, I know we should use foreach loop on collection of gridviews and have our logic there but I am unable to get the row index , If any one could give me a working example ,

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Forms Data Controls :: Binding DataSet And GridView, Apply Bulk Rows Edit And Update On GridView

Dec 10, 2010

I have a set of dataset with different column retrieved from DB. I need to present the datasets in one GridView (or other ListView etc...) without specifying the column_header. It should present automaticly since the GridView is bind to the DataSet.

In additional, I want this GridView to handle multiple rows edit and update the dataset, idealy, show data in textboxs in initially.How could I set the GridView to edit_model without hardcode column_header and textboxs in 'itemtemplate' or filed.

How could I achieve the bulk edit and update, so that I can assign 'mydataview1.table' to the dataset.

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Jan 8, 2011

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Dec 21, 2010

i need to get my listview there are made on a LinqDataSource to update the db before it running my code i have made in my update botton. how do i force the update to happen ind c# ? my code in my update botton looks like this

protected void UpdateButton_Click(object sender, EventArgs e)

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May 16, 2010

I am doing a countdown with a timer that runs every second. I have a scriptmanager, but how do I make it update behind the scenes so the user does not see it? I thought I could use an update panel, but I can't get it to work right.

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