/// <summary>
/// string[]绑定到WebControl
/// </summary>
/// <param name="control">要绑定的ddl</param>
/// <param name="strs">源数据</param>
/// <param name="selectedValue">默认选择值</param>
public static void Bind <T>(this ListControl control, T[] strs, object selectedValue = null) where T : struct
{
if (strs == null)
{
return;
}
foreach (var str in strs)
{
control.Items.Add(str.ToString());
}
if (selectedValue != null)
{
control.SelectedItems(selectedValue);
}
}
/// <summary>
/// Eume绑定到WebControl
/// </summary>
/// <param name="control">要绑定的ddl</param>
/// <param name="eumType">枚举的Type</param>
/// <param name="defShowText">第一行要显示的文字</param>
/// <param name="defShowValue">第一行要显示的值</param>
/// <param name="selectedValue">默认选择值</param>
public static void Bind(this ListControl control, Type eumType, object selectedValue = null, string defShowText = null, object defShowValue = null)
{
control.DataSource = eumType.ToListItem();
control.DataValueField = "Value";
control.DataTextField = "Text";
control.DataBind();
if (control.Items.Count > 0)
{
control.SelectedIndex = 0;
}
control.InsertItem(defShowValue, defShowText);
if (selectedValue != null)
{
control.SelectedItems(selectedValue);
}
}
/// <summary>
/// IEnumerable绑定到WebControl
/// </summary>
/// <param name="control">要绑定的ddl</param>
/// <param name="lst">源数据</param>
/// <param name="dataTextField">绑定的文本字段</param>
/// <param name="dataValueField">绑定的值字段</param>
/// <param name="defShowText">第一行显示的文字</param>
/// <param name="defShowValue">第一行显示的值</param>
/// <param name="selectedValue">默认选择值</param>
public static void Bind(this ListControl control, IEnumerable lst, object selectedValue = null, string dataTextField = "Caption", string dataValueField = "ID", string defShowText = null, object defShowValue = null)
{
control.DataSource = lst;
control.DataTextField = dataTextField;
control.DataValueField = dataValueField;
control.DataBind();
if (control is DropDownList && control.Items.Count > 0)
{
control.SelectedIndex = 0;
}
control.InsertItem(defShowValue, defShowText);
if (selectedValue != null)
{
control.SelectedItems(selectedValue);
}
}