How To Access The Value Of A Boolean Which Is Displayed Within A Gridview As A Checkbox
Feb 17, 2010
Does anyone know how to access the value of a Boolean which is displayed within a gridview as a checkbox?? The standard Grid view will render a bit type (i.e. Boolean) datatype into an ASP:CheckBoxField, but how can i access the value of the underlying data, either true/false.
The code works fine for text columns but I need the value of a Boolean cell.
[code]....
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Jan 24, 2011
In trying to improve 'user experience' with a GridView, I have an administrative application where a GridView is displaying records from a SQL table. One of the columns is a bit column, and is displayed as a checkbox in the GridView. I want the user to be able to simply check or uncheck the box while viewing the GridView, and the value in that column for that record is immediately updated. So I set AutoPostBack="true" on the CheckBox in the GridView's Template Field.
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Mar 3, 2011
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[code].....
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Feb 18, 2010
I wnat to access the checkbox value of gridview in JS, using for loop,
function sonia()
{
alert('a');
var gvET='<%=GridView1.ClientID%>';
var grid = document.getElementById(gvET);
var rowIdx=1;
alert (grid.rows.length);
for (rowIdx; rowIdx<=grid.rows.length-1; rowIdx++)
{
var rowElement = grid.rows[rowIdx];
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alert(chkBox.checked);
var chkBox = rowElement.cells[1].firstChild;
alert(chkBox.text);
}
return false ;
}
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Aug 2, 2010
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Jun 12, 2012
Specified argument was out of the range of valid values.Parameter name: index
After adding a check box to gridview when i am updating teh gridview I get above error
cmd.Parameters.Add("@c_name", SqlDbType.VarChar).Value = ((TextBox)Gridview1Rows[0].Cells[1].Controls[0]).Text;
cmd.Parameters.Add("@c_amt", SqlDbType.VarChar).Value = ((TextBox)Gridview1Rows[0].Cells[2].Controls[0]).Text;
cmd.Parameters.Add("@c_type", SqlDbType.VarChar).Value = ((TextBox)Gridview1Rows[0].Cells[3].Controls[0]).Text;
cmd.Parameters.Add("@check", SqlDbType.Bit).Value = ((CheckBox)Gridview1Rows[0].Cells[4].Controls[0]).Checked;
Before to checkbox addition it was wroking fine
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May 7, 2015
when i checked the checkbox in parent gridview, all checkbox in child gridview will be checked.
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code behind
protected void OnCheckedChanged(object sender, EventArgs e)
{
[Code].....
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May 7, 2010
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[Code]....
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[code]....
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[Code]....
Stack Trace:
[Code]....
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Nov 4, 2010
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Mar 24, 2011
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Jun 16, 2010
I have a radgrid controlling access to an application for users. There are two columns, a 'name' column and a checkbox 'access' column representing their current access permission. the checkboxes are populated from a database. I would like the to change the checkboxes to grant or deny access to the users I specify. Since there are alot of users I would like to make multiple changes and use a submit button to write the changes to the database. I do not want to postback with each checkbox change and wait for the page to "blink". My problem is that with the checkbox postback disabled, when I click submit, the value of the checkboxes are not registering the changes I make. I need a way to access the current client-side state of the checkbox or some workaround to accomplish this.
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May 18, 2010
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May 3, 2010
I have a GridView that I was previously populating via an ObjectDataSource, and this code was working perfectly (ie, when the checkbox was checked Checkbox.Checked = true):
CODE BEHIND:
[Code]....
[Code]....
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Mar 11, 2011
<asp:TemplateField>
<ItemTemplate>
<asp:CheckBox ID="chkRDR1" runat="server"/>
</ItemTemplate>
</asp:TemplateField>
=========================================================================================
Dim checkbox As CheckBox = CType(row.FindControl("chkRDR1"), CheckBox)
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Aug 10, 2010
Let me try to explain my situation. I have a database table which contains, among other things, a boolean column called PermissionSlipRequired. I have a repeater on my page, and before each row in the database is shown in the repeater, I want to use my code behind to check the value of PermissionSlipRequired. Based on whether the value of PermissionSlipRequired is true or false, I want to change the text of a literal within the repeater. That's a real mouthful; hopefully some markup and code will clarify. Here's my repeater:
[Code]....
Here is what I've been able to come up with for my code behind. Needless to say, this code doesn't work.
[Code]....
As a former PHP user who is trying to migrate to asp.net.
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Apr 24, 2010
In Edit mode, when I check unchecked items, the Update works correctly, but when I clear the checked items, the items are still true in the database. My textboxes and dropdown lists all work as expected. The related code is below. Why won't the cleared checkboxes write to the db? When I set a breakpoint in the ContactRecordOnUpdating method, the values for the unchecked checkboxes are true (which is undoubtedly why they are written to the db that way).
[Code]....
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Feb 18, 2011
I have a repeater which has a checkBox in the headerTemplate
[code]...
how I can get the value of that checkBox in the code behind.
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Feb 26, 2011
I am implementing a leave system using the calender control. Something like below :- Following is the markup :-
<asp:Calendar ID="Calendar1" runat="server" ondayrender="Calendar1_DayRender"
ShowGridLines="True">
</asp:Calendar>
<asp:DropDownList ID="DropDownList1" runat="server">
<asp:ListItem Value="vacation" Text="Vacation" />
<asp:ListItem Value="sick" Text="Sick" />
<asp:ListItem Value="training" Text="Training" />
</asp:DropDownList>
<asp:Button ID="Button1" runat="server" Text="Save" onclick="Button1_Click" />
Following is the code-behind :-
protected void Calendar1_DayRender(object sender, DayRenderEventArgs e)
{
if (!e.Day.IsOtherMonth && !e.Day.IsWeekend)
{
CheckBoxList list = new CheckBoxList();
list.Items.Add(new ListItem("Half day"));
list.Items.Add(new ListItem("Full day"));
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}
}
However, I am not able to access the the checkbox values neither in the button_click event nor in the DayRender event? Is there a better way to implement this?
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Jan 19, 2011
<input id="Checkbox2" type="checkbox"
onclick="fnHideSection()" />
iam using it to show/ hide a section but on post back the item being unchecked again how solve without using the asp checkbox
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Oct 12, 2010
I'm trying to make a page where information from the database are displayed on a page. For this, I'm using a Gridview control. The data displays fine, but it displays the same information twice. So basically, two tables are drawn by ASP and placed side by side.
Heres the code I'm using:
<asp:GridView ID="PackagesGV" runat="server" Width="520px">
<Columns>
<asp:BoundField DataField="ID" HeaderText="Package ID"/>[code]....
Also, the SQL Stored Procedure is pulling all of the fields required by the Gridview. The SQL is basically
"SELECT [ID], [PackageName], [PackageText], [PackageImageID], [PageID] FROM [Packages]"
So I'm not requesting the information twice using the Stored Procedure.
I've started ASP.NET in July,
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