Using .NET, we need to access the CSS style of a div and input certain values in the code behind on page load.
Since the div is located on the master page and this is another separate page, we are unable to add RUNAT="SERVER" to the div.
Using .NET, we need to access the CSS style of a div and input certain values in the code behind on page load.
Since the div is located on the master page and this is another separate page, we are unable to add RUNAT="SERVER" to the div.
If you're not sure how to achieve this using a div element, you can consider the following approach:
<asp:Panel Id="MyDiv" runat="server" ClientIDMode="Static"></asp:Panel>
The Asp:Panel control allows you to create a div in the frontend. To customize it further in the back-end, you can use
MyDiv.CssClass = "MyDivClass";
This will result in the following HTML output:
<div id="MyDiv" class="MyDivClass"></div>
If you want to dynamically build and output your CSS styles in a string, consider using an <asp:Literal> element that is placed ideally in the head section of your masterpage through a <asp:ContentPlaceHolder>.
Here's how you can set it up on your page:
<asp:Literal ID="litCSS" runat="server" />
And in your code-behind file:
protected void Page_Load(object sender, EventArgs e)
{
string styles = "<style>div { color: black; }</style>";
litCSS.Text = styles;
}
It appears that your issue may be resolved by:
HtmlGenericControl control = Master.FindControl("snackbar") as HtmlGenericControl;
control.Style.Add("background-color", "red")
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