How to enable or disable the ImageField and Boundfield of gridview in the code behind inside page load?
aspx codes:
<asp:ImageField
DataImageUrlField="GreetingType"
DataAlternateTextField="GreetingType"
DataImageUrlFormatString="images/hello.gif"
HeaderText="Greeting"></asp:ImageField>
<asp:BoundField
DataField="Location"
HeaderText="Location"/>
How to disable editing the data in the cells of datagridview in c#?
View 1 RepliesI'm trying to enable/disable buttons in my gridview according to a value in gridview's field.
But everytime when I try to run my page, it shows me below underlined error and point to my gvTimeSheet.DataBind() in page_load.
"Unable to cast object of type 'System.EventArgs' to type 'System.Web.UI.WebControls.GridViewRowEventArgs'."
I also tried to enable / disable button in HTML but it just against from what I need it to be.
Example, sheet_status = true, I do not need to enable the button.
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Based on some condition, I need to enable and disable the checkbox in gridview and that would be on page_load event.
View 1 RepliesI have a gridview that is built based on my objectdatasource.. so at the moment, i have 1 gridview linked to 3 different objectdatasource resultsets.. my question is.. only 1 of the 3 do i want to allow or should i say enable the "GridView1_SelectedIndexChanged" ability. Is that possible, that when i bind the datasource to the gridview for that one, i can enable that?
View 4 RepliesI want to enable or disable text box in specific row depending on value of field in data source
View 5 RepliesI am looking to enable/disable controls (TextBox, DropDownList, etc.) in a GridViews template column based on the users specific access level when the user clicks the edit button. I have tried the following two methods:
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I want a solution for checkbox Check changed.in my gridview when i check on any row it hits check changed event and i have made a button visible if atleast one checkbox is checked.(But when i uncheck i want the button to get hidden if no row is selected).
View 1 Repliesi have radio button list and one textbox in gridview if the value is yes text has to enable otherwise i need disable the text box in grid view how do this?
View 1 RepliesHow to enable & disable data value from selected table ?
For Example, select ID from employeeTlb(for Dropdownlist function) then in asp:checkbox able to tick enable & disable that control the data in dropdownlist show/ hide ?
i have one dropdown list and one gridview in my page by default all the textboxes in gridview enabled if i change the dropdown value textboxes in the gridview has to disable how to implement this?
View 1 RepliesSuppose the Gridview on the page is for showing the detail records of the Header master record on the same page. How to disable the "Edit" within the Gridview? I would like to disable the "choose" in the Popup of the Gridview and also to disable any buttons of that.
View 1 RepliesI came across the below article, I would like to know how to properly respond to the drop or stop event so that I can show the Save button only once someone changed the order. In other words, I would like the Save button hidden initially, only to make it visible once a drag and drop has occurred.
[URL]....
I'm using a gridview rows, in that I'm adding the rows. I need to disable the textboxes based upon the selected value from the dropdownlist (Yes / No). This should be remain same for the previous rows when ever I'm adding new rows.
View 1 Repliesi have a gridview with templatefield in templatefield there is a checkbox and in there are textboxes.
i want when i check the checkbox then only that row can active and the textboxes are enabled true when deselect the checkbox then that row should enable false.
I am want to set the Hyperlink to the Imagefield in the Gridview. Is this possible in gridview?
View 6 RepliesThis is probably a really simple question but I have a gridview that is linked to a table in a database. But I have an imagefile stored in one of the columns in the table. The SqlDataSource links to the table an I can see the images when I test the query. I just can't see how to show the image in the gridview. All the example on the web show how to link to an image on the server and not that is downloaded from the server.
View 3 Replieshow can i enable and disable columns in repeater in the code behind
View 1 RepliesI have a coloumn in a database table in which i am storing the candidates photo in a binary format.
now i have to show these photo in a gridview according to the candidates rollno. i am trying to use the imagefield of a gridview control to display the photo but it is not displaying the photo in a grid view
In asp.net(C#) i'm using masterpage and childpage.
in masterpage i used TreeView Navigation control to view the Childpage.
.What my doubt is......when i select the navgation control
my TreeView Control should be disable and when i click cancel button in Child page it will enable..
Have a gridview that is populated via a DB, which is populated by another tool. That tool records all the data, including the user that submitted it.
The site also enables editing, but I want only the user that submitted the data to have the ability to edit HIS data only, even though the grid view is displaying other people's datas.
So currently the gridview has "ShowEditButton="True"
So on the far left, there is the Edit option for all lines, for all users, for any user viewing the site.
I want to do a verification where,
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i have one gridview in which their is on linkbutton and one textbox
i want to enable or disable textbx on click event of linkbutton for particular row
.aspx code
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.cs code
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i am able to find textbox in gridview in RowDataBound event but how to perform action on click event on textbox for individual row
when i click on the checkbox in the gridview column1 the textbox column4 should be enabled author wise textbox should be disabled...........
View 1 RepliesI have one gridview with two template fields check box and dropdown and my doubt is dropdown validation should occur only for check box selected items..
In my form all the dropdown shows validation even though if check box is not selected
<Columns>
<asp:TemplateField>
<ItemTemplate>
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I have a page which displays details and a pictures of employees. The details are stored in a SQL database and the images are on the server. How can I set a default Image to display (e.g. an Image saying "Awaiting Image") if an employee picture is missing?
I can't use NullImageUrl as the Images are not stored in the database. I can't use the solution found on [URL] as an ImageField does not accept an ID attribute.
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