How to Check If An Ajax Tab Is Empty Using C#

Question

1.00/5 (1 vote)

See more:

hi all,

I want to check whether the ajax tab is empty, if there is nothing inside the ajax tab, I want to display "no content found" label message. My ajax tab is being populated dynamically in C# in this way:

C#

public void BindChart()
        {
            //Create new TabContainer
            AjaxControlToolkit.TabContainer container = new AjaxControlToolkit.TabContainer();
            container.ID = "TabContainer";
            container.EnableViewState = false;
            container.Tabs.Clear();

                    AjaxControlToolkit.TabPanel panel = new AjaxControlToolkit.TabPanel();
                    panel.HeaderText += item.Text;
                    container.Tabs.Add(panel);

Question: How to check if any ajax tab is empty/has no content then add in a label in that empty tab?

I have solved it but anyone knows label font style to Arial in C#?
This is my updated code:

C#

if(panel.Controls.Count<1)
                   {
                       System.Web.UI.HtmlControls.HtmlGenericControl panelDIV = new System.Web.UI.HtmlControls.HtmlGenericControl("DIV");
                       panelDIV.ID = "panelDIV";
                       panelDIV.Style.Add(HtmlTextWriterStyle.TextAlign, "center");
                       panelDIV.Style.Add(HtmlTextWriterStyle.Width, "100%");

                       System.Web.UI.WebControls.Label newTabel = new System.Web.UI.WebControls.Label();
                       newTabel.Text += "<br />" + "<br />" + "<br />" + "<br />" + "no content to display";
                       newTabel.Font.Bold = true;
                       newTabel.Font.Size=16;
                       panelDIV.Controls.Add(newTabel);
                       panel.Controls.Add(panelDIV);
                   }

Thanks.

Posted 27-Oct-15 17:56pm

Member 11999641

Updated 28-Oct-15 4:27am

v3

Add a Solution

Comments

Richard Deeming 28-Oct-15 11:08am

Once you have a solution to your question, don't update the question with a new, unrelated question.

Post your new question as a new question, and leave the original question alone.

1 solution

Add a Solution

Add your solution here

Treat my content as plain text, not as HTML

Preview 0

…

Existing Members

Sign in to your account

...or Join us

Download, Vote, Comment, Publish.

Your Email
Password
Forgot your password?

Your Email
This email is in use. Do you need your password?
Optional Password

I have read and agree to the Terms of Service and Privacy Policy
Please subscribe me to the CodeProject newsletters

When answering a question please:

Read the question carefully.
Understand that English isn't everyone's first language so be lenient of bad spelling and grammar.
If a question is poorly phrased then either ask for clarification, ignore it, or edit the question and fix the problem. Insults are not welcome.
Don't tell someone to read the manual. Chances are they have and don't get it. Provide an answer or move on to the next question.

Let's work to help developers, not make them feel stupid.

This content, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

**Debojyoti Saha** · Accepted Answer · 2015-10-27T20:17:00

You can use several process like

C#

 if (panel.Controls.Count > 0)
{
   // Add A lable
}

or

C#

if (panel.HasControls())
{
    // Add A lable
}

or

C#

StringBuilder content = new StringBuilder();
StringWriter sWriter = new StringWriter(content);
HtmlTextWriter htmlWriter = new HtmlTextWriter(sWriter);
pnlMyPanel.RenderControl(htmlWriter);

if (htmlWriter.ToString() != "")
{
    // Add A lable
}