public void ClientScriptManager_RegisterForEventValidationException()
{
Page p = new Page();
ClientScriptManager cs = p.ClientScript;
cs.RegisterForEventValidation("ID", "args");
}
public static void AddDoubleClickAttributeToGridDataBound(ClientScriptManager manager, GridView grid, GridViewRowEventArgs e)
{
if (e.Row.RowType != DataControlRowType.DataRow)
{
return;
}
LinkButton dblClickButton = (LinkButton)e.Row.Cells[0].Controls[0];
string script = manager.GetPostBackClientHyperlink(dblClickButton, "");
e.Row.Attributes["ondblclick"] = script;
manager.RegisterForEventValidation(e.Row.UniqueID + "$ctl00");
}
/// <summary>
/// добавление двойного клика. считаем что кнонпка с двойным кликом идёт первой в списке колонок грида
/// </summary>
/// <param name="manager"></param>
/// <param name="grid"></param>
public static void AddDoubleClickAttributeToGrid(ClientScriptManager manager, GridView grid)
{
foreach (GridViewRow r in grid.Rows)
{
if (r.RowType == DataControlRowType.DataRow)
{
LinkButton dblClickButton = (LinkButton)r.Cells[0].Controls[0];
string script = manager.GetPostBackClientHyperlink(dblClickButton, "");
r.Attributes["ondblclick"] = script;
manager.RegisterForEventValidation(r.UniqueID + "$ctl00");
}
}
}
protected internal override void RenderContents(HtmlTextWriter writer)
{
int idx = 0;
Page page = Page;
ClientScriptManager scriptManager = page != null ? page.ClientScript : null;
foreach (ListItem i in Items)
{
if (page != null)
{
scriptManager.RegisterForEventValidation(UniqueID, i.Value);
}
if (i.HasAttributes)
{
i.Attributes.AddAttributes(writer);
}
writer.RenderBeginTag(HtmlTextWriterTag.Li);
this.RenderBulletText(i, idx++, writer);
writer.RenderEndTag();
}
}
/// <summary>
/// Registers an event reference for validation with <see cref="T:System.Web.UI.PostBackOptions"/>.
/// </summary>
/// <param name="options">A <see cref="T:System.Web.UI.PostBackOptions"/> object that specifies how client JavaScript is generated to initiate a postback event.
/// </param>
public void RegisterForEventValidation(PostBackOptions options)
{
_clientScriptManager.RegisterForEventValidation(options);
}