Get dynamically growing Label height in pixels

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Here is my scenario...

The characters that are entered in the text box will be displayed in the label at the button click event. Label is having fixed width for ex,200px but the height is not set for the label.

By changing the characters in the text box,and firing the button click event the label will get populated with the text from the text box. At that time label width will be constant but height will change dynamically according to the no of characters entered in the textbox.....

Here I need to get the label height in pixels on the button click event???????

Thanks in Advance ?Can Anyone help me????

Posted 4-Aug-10 18:37pm

karthidew

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koool.kabeer 5-Aug-10 4:47am

which label? Windows or Web?

Svetlin Panayotov 5-Aug-10 5:02am

Tags say ASP.NET so I assume that it's Web. If that's really the case it probably can be done with Graphics.MeasureString, but it won't be accurate.

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Sandeep Mewara · Answer 1 · 2010-08-05T07:55:00

Solution 1

Use Javascript. On click event, use Javascript or jQuery whichever is easy for you to get the label object in DOM and then the specific property of the control. Show, modify the properties as per your need.

Posted 5-Aug-10 7:55am

Sandeep Mewara

karthidew · Answer 2 · 2010-08-05T23:29:00

Thankz for the guidance....

Myself found the solution.Here it is,

XML

Label1.Text = TextBox1.Text;
        string txt = Label1.Text;
        Font f = new Font("Times New Roman",14,GraphicsUnit.Pixel);
        Bitmap bp = new Bitmap(1, 1);
        Graphics gp = Graphics.FromImage(bp);
        int height = (int)gp.MeasureString(txt,f,260).Height;
        Response.Write("<script>alert('Height is :-'+"+Convert.ToString(height)+");</script>");

As per the svetlin comment it won't provide more accurate height.
But it mey be helpful....