protected override void OnPreRender(EventArgs e)
{
if (!this.DesignMode)
{
this.ScriptManager = ScriptManager.GetCurrent(this.Page);
if (this.ScriptManager == null)
{
throw new InvalidOperationException(
"A ScriptManager control must exist on the current page.");
}
this.ScriptManager.RegisterScriptControl(this);
}
if (this.Page.Header == null)
{
throw new InvalidOperationException(
"The Page Header must have a runat='server' attribute.");
}
if (!this.Page.Header.Controls.Cast <Control>().Any(c => c.ID == WebResourceNames.CssInthros))
{
var inthrosCsslink = new StyleSheetLink {
ID = WebResourceNames.CssInthros,
Href = this.Page.ClientScript.GetWebResourceUrl(typeof(ActivityTreeView), WebResourceNames.CssInthros),
};
this.Page.Header.Controls.Add(inthrosCsslink);
}
if (!this.Page.Header.Controls.Cast <Control>().Any(c => c.ID == WebResourceNames.CssFontAwesome))
{
var fontAwesomeCsslink = new StyleSheetLink
{
ID = WebResourceNames.CssFontAwesome,
Href = this.Page.ClientScript.GetWebResourceUrl(typeof(ActivityTreeView), WebResourceNames.CssFontAwesome),
};
this.Page.Header.Controls.Add(fontAwesomeCsslink);
}
base.OnPreRender(e);
}
protected override void OnPreRender(EventArgs e)
{
if (!this.DesignMode)
{
this.ScriptManager = ScriptManager.GetCurrent(this.Page);
if (this.ScriptManager == null)
{
throw new InvalidOperationException(
"A ScriptManager control must exist on the current page.");
}
this.ScriptManager.RegisterScriptControl(this);
}
if (this.Page.Header == null)
{
throw new InvalidOperationException(
"The Page Header must have a runat='server' attribute.");
}
if (!this.Page.Header.Controls.Cast<Control>().Any(c => c.ID == WebResourceNames.CssInthros))
{
var inthrosCsslink = new StyleSheetLink {
ID = WebResourceNames.CssInthros,
Href = this.Page.ClientScript.GetWebResourceUrl(typeof(ActivityTreeView), WebResourceNames.CssInthros),
};
this.Page.Header.Controls.Add(inthrosCsslink);
}
if (!this.Page.Header.Controls.Cast<Control>().Any(c => c.ID == WebResourceNames.CssFontAwesome))
{
var fontAwesomeCsslink = new StyleSheetLink
{
ID = WebResourceNames.CssFontAwesome,
Href = this.Page.ClientScript.GetWebResourceUrl(typeof(ActivityTreeView), WebResourceNames.CssFontAwesome),
};
this.Page.Header.Controls.Add(fontAwesomeCsslink);
}
base.OnPreRender(e);
}