Cannot implicitly convert type 'string' to 'System.Web.UI.WebControls.Unit'

Question

I ma getting error like Cannot implicitly convert type 'string' to 'System.Web.UI.WebControls.Unit' in the following code. How to fix this.

protected void Page_Load(object sender, EventArgs e)
{
    if (!Page.IsPostBack)
    {
        RadTab tab = new RadTab();
        tab.Text = string.Format("New Page {0}", 1);
        RadTabStrip1.Tabs.Add(tab);

        RadPageView pageView = new RadPageView();
        pageView.Height = "100px";
        RadMultiPage1.PageViews.Add(pageView);

        BuildPageViewContents(pageView, RadTabStrip1.Tabs.Count);
        RadTabStrip1.SelectedIndex = 0;
        RadTabStrip1.DataBind();

    }
}

Here I am getting error. pageView.Height = "100px";

How to fix this?

AxelEckenberger · Accepted Answer · 2010-05-26 14:20:33Z

5

Because Height is not of type string but of type UnitSystem.Web.UI.WebControls.Unitenter code here.

You can use the following static methods to convert to Unit:

Unit.Pixel(100); // 100 px
Unit.Percent(10); // 10 %
Unit.Point(100); // 100 pt
Unit.Parse("100px"); // 100 px

The Unit structure does not have an explicit or implicit conversion from string, therefore, the error you are observing occurs.

answered May 26, 2010 at 14:20

AxelEckenberger

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Comments

Fredrik Mörk · Accepted Answer · 2010-05-26 14:21:00Z

3

The error message says it all. You need to convert the value to a System.Web.UI.WebControls.Unit in a more specific manner. Luckliy, the Unit type has a constructor with this ability:

pageView.Height = new System.Web.UI.WebControls.Unit("100px");

answered May 26, 2010 at 14:21

Fredrik Mörk

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AakashM · Accepted Answer · 2010-05-26 14:20:30Z

0

Change

pageView.Height = "100px";

to

pageView.Height = new Unit(100);

Height is of type Unit, so you need to assign a value to it that is also of type Unit. To make an object of type Unit you need to call Unit's constructor with new; one of the constructors accepts as a parameter the number of pixels that the Unit is to represent.

answered May 26, 2010 at 14:20

AakashM

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tvanfosson · Accepted Answer · 2010-05-26 14:21:38Z

0

The Height on the control is of type Unit. You want to use

pageView.Height = Unit.Pixel(100);

answered May 26, 2010 at 14:21

tvanfosson

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Robert Massa · Accepted Answer · 2010-05-26 14:22:14Z

0

This this MSDN doc on how to use Units. In your case:

pageView.Height = new Unit("100px");

answered May 26, 2010 at 14:22

Robert Massa

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Comments

Anthony · Accepted Answer · 2012-07-19 04:39:24Z

0

Replace "100px"; with

new System.Web.UI.WebControls.Unit("100px");

edited Jul 19, 2012 at 4:39

Anthony

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answered May 26, 2010 at 14:20

Ralf de Kleine

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