Posted By

sommertim on 09/02/11

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extension

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Last Edited at 09/02/11 02:05am

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MVC Checkboxlist

/ Published in: C#

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public static void ShowCheckBoxList<T>(this ViewPage page, IList<string> list, string name, Expression<Func<T, object>> valueProperty, Expression<Func<T, object>> displayProperty, List<string> selectedValue, System.Web.UI.WebControls.Orientation orientation)
    {
        HtmlTextWriter writer = new HtmlTextWriter(page.Response.Output);
        if (writer != null)
        {
            for (int i = 0; i < list.Count; i++)
            {
                string value = list[i];
                writer.AddAttribute(HtmlTextWriterAttribute.Type, "CHECKBOX");
                writer.AddAttribute(HtmlTextWriterAttribute.Id, name + "_" + i);
                writer.AddAttribute(HtmlTextWriterAttribute.Name, name, true);
                writer.AddAttribute(HtmlTextWriterAttribute.Value, value, true);
                if (selectedValue != null &&selectedValue.Contains(value))
                    writer.AddAttribute(HtmlTextWriterAttribute.Checked, "checked");

writer.RenderBeginTag(HtmlTextWriterTag.Input);
                writer.Write(value);
                writer.RenderEndTag();

if (orientation == System.Web.UI.WebControls.Orientation.Vertical)
                {
                    writer.Write("<br/>");
                }
            }
        }
    }

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