Forms Data Controls :: Databound Checkbox List, Default Values And SelectedIndexChanged Event
Jul 12, 2010
i have a check box list control that is used for showing related files to some post.
what i want to do is set the databound items "checked" to true by default
then,
if a user unchecks some item and clicks the save button. then the selectedindexchanged will fire and i will do some logic.
what i have done is.
--Set All Databound items to "checked" --
[code]....
in the end i want the item that was unchecked to be removed (all other items will remain checked). but even before that, when the user control is loaded all the files that were bounded are being deleted by the index change event.
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Oct 6, 2010
I have a datagrid which is bound to a stored procedure in the code behind. This works fine. But the datagrid contains a checkbox which I need to be default checked. First I didn't bind the checkbox and just used:
<ItemTemplate> <asp:CheckBox ID="chkSelection" Runat="server" Checked= "true" /> </ItemTemplate>
but they show as unchecked. then bound it using:
<ItemTemplate>
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Jul 31, 2013
I have a grideview and inside grideview I have check box ,I don't want SelectedIndexChanged grideview event to fire on checkbox checked in GridView.
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Dec 3, 2010
I was able to gather a value from a gridview based on a selected checkbox. However, I would like to be able to grab multiple values instead of just one. I tried using a for loop to gather my information and populate labels as a test. However, that caused an error. This is the code I currently have to use.
foreach (GridViewRow gvr in GridView1.Rows)
{
if (((CheckBox)gvr.FindControl("CheckBox1")).Checked)
{
lblTest.Text = gvr.Cells[1].Text;
}
}
How to gather multiple values and populate other labels? the other labels are labeled accordingly as lblTest2 and lblTest3. I currently am gathering my data from a gridview and only want to pull the StaffID from gvr.Cells[1].text.
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Dec 28, 2010
My problem is this "I have all the tools, VS 2005, 2008, 2010. I have every book, I have SQL server 2005 and 2008" I have all the tools, but I do not know what tool or technology to use when starting out learning all this. I juat do not know what book teaches what I need to do for something like below.
Here is my question:
I created an .ASPX webform that is to "Submit" to a SQL 2005 database. I gave this form to my DBA, and he has made up a Data Model. Now I have to figure out how to write the ASP.NET code so it will submit to the DB. My first issue is not knowing this:
1. "How do I loop through my CheckBox List", and then insert the values checked into a "Database Table" (Each Checkbox value MUST be a seperate row in the table, the DBA does not want a seperate column for each checkbox value)
2. The database is using stored procedures
3. My third issue is this: "I do not know "where" to put the "code". If you do resond to this,
Summary: I just need shown the code on how to "loop through" the CheckBox List on my form, and insert those values into a database table as seperate rows.
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Aug 12, 2010
I'm trying to collect the checked boxes values in a data list. Need to collect the checked value (ie "1") and the data key value (cdID) together in an array to then insert into DB. Here's the Datalist:
[Code]....
Here's my attempt(which isn't working too well):
[Code]....
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Feb 19, 2010
How to raise the SelectedIndexChanged event of an asp.net List control in a codebehind using C#?
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May 18, 2010
i n using java script function to showalert msg .function is as follows
function ShowAlertForScaleResolution()
{
var ddlScale= document.getElementById('<#=ddlScale.ClientId #>');
var ddlResolution= document.getElementById('<#=ddlResolution.ClientId #>');
if(ddlScale.value=="0" || ddlResolution.value=="0")
{
alert("Please select valid Scale and Resolution");
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return false;
}
my dropdown source code is--
<asp:DropDownList ID="ddlBlockName" onchange="return ShowAlertForScaleResolution();"
runat="server" Width="150px" AutoPostBack="True" OnSelectedIndexChanged="ddlBlockName_SelectedIndexChanged">
</asp:DropDownList>
when i m selecting the BlockName withought selecting any item from ddlScale and ddlresolution then i m showing alert msg.
My Problem is that when i m selecting the details of scale and resolution dropdown then its not showing any errormsg. But its not firing the selected index chaged event of Drop down .
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Jan 17, 2011
I have a databound dropdownlist and have a problem with the default value it selects.When I attempt to edit a record the dropdownlist shows the first value in the list rather than the current value. I want the dropdown list to display the current value.
I'm sure this is very simple but I'm very new to ASP.NET.
I'm using .NET version 4.
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Mar 24, 2010
I need to pull a list of supplies from a db table and list them along with two textboxes (one for quantity, and another for manufacturer)
so the list would look something like this.
checkbox for supply 1 | Quantity | Manufacturer
checkbox for supply 2 | Quantity | Manufacturer
..
I also need to store all of the checked items in a db table. I'm not sure how i should go about doing this. I've heard some talk about a repeater control being useful but i've not come across any examples that do this type of thing.
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Jan 26, 2010
How do you create a databound checkbox list using linq-sql and asp.net mvc
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Sep 8, 2010
I have a checkbox placed inside a gridview:
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For example: A listViewItem 1 has 3 drivers are checked, A listViewItem 2 has 2 drivers are checked.
Therefore, if changing the selectedIndex of the list, the checkbox indexChanged event will be fired.
How could I disable the autopostback of the checkbox during the listview item changed.
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May 7, 2015
I want to get Row Fields in Gridview on Checkbox Change inside gridview.I have checkbox column in grid, i want to get row details in msgbox as i select checkbox. On selected index change of checkbox inside ridview.Everytime i select checkbox, it gives msgbox for row details.
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Jan 14, 2011
So I am uding a GridView bound to a SQL data source.
I have a template feild bound to a SQL BIT
<EditItemTemplate <asp:CheckBox ID="chkSelected" runat="server" Checked='<%# Bind("Selected") %>
The original Item Template was Enabled ="false" I changed this so that you did not have to set the row to a state of edit in order to just select a row. I enabled it so that you could "select" any row with out putting it in a state of edit. the only value changing is if its selected or not. What i am trying to do is use the Data Source Update method to update the bit in the database based on the check box. Currently Update() returns 0. I believe this is because the row/feild is not marked as changed so the Data Source does not see it as something that needs to be updated.
What I am hoping for out of this is post is a way that the rows whom check value has changed to be marked as changed/edited so that the data source will update the database with the values of the check boxes. If all rows are updated this is acceptable as well. I know this is a super simple solution but i have been out of the .NET for a little bit.
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Feb 17, 2010
I have a dropdown list sitting on a user control and I need to evoke the SelectedIndexChanged from the dropdownlist. How do I make this SelectedIndexChanged event available on my UC?
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Feb 11, 2010
In one webpage,
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there is one dropdown in headerrow of gridview,
dropdown's selectedindexchanged event fire in FireFox but not in IE.
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Aug 31, 2010
I have 2 dropdownlist - State and City. I want to fill city drop down list on selectedIndexChanged event of state drop down list. I fill the State ddl ( DataTextField = "Locationname" & DataValueField = "Locationid" ) using linq and when i changed state I didn't get "Locationid" and I got error - " conversion from string "Locationid" to type "Double" is not valid" .
following are the code
[Code]....
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Feb 15, 2010
I want to call javascript from SelectedIndexChanged event of GridView.....how to do that
protected void gridSlave_SelectedIndexChanged(object sender,
EventArgs e)
{
[code]...
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Jun 7, 2010
how can i populate the detailview in insert mode with values from gridview on selection?
Filter by date:
<asp:DropDownList ID="DropDownList4" runat="server" AutoPostBack="True" DataSourceID="SqlDataSource3"
DataTextField="CDATE" DataTextFormatString="{0:D}" DataValueField="CDATE">
</asp:DropDownList>
[Code]...
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Oct 5, 2010
I have a dropdownlist in a repeater and it's firing the SelectedIndexChanged event but in teh event handler I can not get the dataitem associated with the row that the DDL is in. Here is the code:
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Jan 20, 2010
I have a simple databound dropdownlist. On top, I have a default selection, '--Please Select--', followed by another default selection, '-- Other --'. Here's the script:
[Code]....
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Mar 5, 2010
I'm using VS2008. When a dataset is bound to the DataSource of a ListView, SelectedIndexChanged event does not fire. If I used DataSourceID instead, it has no problem. But SelectedIndexChanging event fires for both.
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Jun 8, 2010
Get the DataSource of GridView control in SelectedIndexChanged event handler?
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Feb 5, 2011
I want to execute code written in a dropdown selectedindexchanged event from some another user defined function.
For this i m writing:
ddlMyDropDown1_SelectedIndexChanged(sender, e);
It works when use it in page_load (means the code in ddlMyDropDown1_SelectedIndexChanged is executed) but when i write the same line in another function it gives error "The name sender doesnot exists in current context".
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May 27, 2010
I have a situation where I want to show the selected records out of total records for a product of an employee
1) There is a checkbox list bind to <List> of objects from object datasource (For total items in list)
2) Now I want to check the selected items for a particular record in this list
3) For this purpose I have another list of <List> selected items returned by data access layer (For selected items for that employee )
4) How do I bind the selected objects with the total items list ?
5) In spaghetti coding model it was all too easy just by binding the checkbox list with a sql data source and running a for each on form load
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