/// <summary>
/// 绑定数据源
/// </summary>
/// <param name="dataSource">数据源</param>
/// <remarks>如果给控件设置了数据源，此方法是将数据源的数据绑定到待选择列表数据集合</remarks>
protected override void PerformDataBinding(IEnumerable dataSource)
{
if (dataSource != null)
{
if (this.candidateItems == null)
{
//如果数据集合为null，则实例化
this.candidateItems = new SelectItemCollection();
}
//Field是否为空标记
bool flag = false;
string propName = this.DataSourseTextField;
string dataValueField = this.DataSourseValueField;
string dataSortField = this.DataSourseSortField;
ICollection iData = dataSource as ICollection;
if ((propName.Length != 0) || (dataValueField.Length != 0) || dataSortField.Length != 0)
{
flag = true;
}
//取出dataSourse
foreach (object objData in dataSource)
{
SelectItem item = new SelectItem();
if (flag)
{
if (propName.Length > 0)
{
item.SelectListBoxText = DataBinder.GetPropertyValue(objData, propName, null);
}
if (dataValueField.Length > 0)
{
item.SelectListBoxValue = DataBinder.GetPropertyValue(objData, dataValueField, null);
}
if (dataSortField.Length > 0)
{
item.SelectListBoxSortColumn = DataBinder.GetPropertyValue(objData, dataSortField, null);
}
}
else
{
item.SelectListBoxText = objData.ToString();
item.SelectListBoxValue = objData.ToString();
item.SelectListBoxSortColumn = objData.ToString();
}
this.candidateItems.Add(item);
}
}
}
/// <summary>
/// 移除Item
/// </summary>
/// <param name="item">Item</param>
/// <remarks>移除Item</remarks>
public void Remove(SelectItem item)
{
List.Remove(item);
}
/// <summary>
/// 在指定位置添加Item
/// </summary>
/// <param name="index">索引位置</param>
/// <param name="item">Item</param>
/// <remarks>在指定位置添加Item</remarks>
public void Insert(int index, SelectItem item)
{
List.Insert(index, item);
}
/// <summary>
/// 取得Item索引值
/// </summary>
/// <param name="item">Item</param>
/// <returns>取得Item的索引值</returns>
/// <remarks>取得Item索引值</remarks>
public int IndexOf(SelectItem item)
{
return(List.IndexOf(item));
}
/// <summary>
/// 添加Item
/// </summary>
/// <param name="item">Item</param>
/// <returns>添加Item</returns>
/// <remarks>添加Item</remarks>
public int Add(SelectItem item)
{
return(List.Add(item));
}
/// <summary>
/// 绑定数据源
/// </summary>
/// <param name="dataSource">数据源</param>
/// <remarks>如果给控件设置了数据源，此方法是将数据源的数据绑定到待选择列表数据集合</remarks>
protected override void PerformDataBinding(IEnumerable dataSource)
{
if (dataSource != null)
{
if (this.candidateItems == null)
{
//如果数据集合为null，则实例化
this.candidateItems = new SelectItemCollection();
}
//Field是否为空标记
bool flag = false;
string propName = this.DataSourseTextField;
string dataValueField = this.DataSourseValueField;
string dataSortField = this.DataSourseSortField;
ICollection iData = dataSource as ICollection;
if ((propName.Length != 0) || (dataValueField.Length != 0) || dataSortField.Length != 0)
{
flag = true;
}
//取出dataSourse
foreach (object objData in dataSource)
{
SelectItem item = new SelectItem();
if (flag)
{
if (propName.Length > 0)
{
item.SelectListBoxText = DataBinder.GetPropertyValue(objData, propName, null);
}
if (dataValueField.Length > 0)
{
item.SelectListBoxValue = DataBinder.GetPropertyValue(objData, dataValueField, null);
}
if (dataSortField.Length > 0)
{
item.SelectListBoxSortColumn = DataBinder.GetPropertyValue(objData, dataSortField, null);
}
}
else
{
item.SelectListBoxText = objData.ToString();
item.SelectListBoxValue = objData.ToString();
item.SelectListBoxSortColumn = objData.ToString();
}
this.candidateItems.Add(item);
}
}
}
/// <summary>
/// 移除Item
/// </summary>
/// <param name="item">Item</param>
/// <remarks>移除Item</remarks>
public void Remove(SelectItem item)
{
List.Remove(item);
}
/// <summary>
/// 在指定位置添加Item
/// </summary>
/// <param name="index">索引位置</param>
/// <param name="item">Item</param>
/// <remarks>在指定位置添加Item</remarks>
public void Insert(int index, SelectItem item)
{
List.Insert(index, item);
}
/// <summary>
/// 取得Item索引值
/// </summary>
/// <param name="item">Item</param>
/// <returns>取得Item的索引值</returns>
/// <remarks>取得Item索引值</remarks>
public int IndexOf(SelectItem item)
{
return (List.IndexOf(item));
}
/// <summary>
/// 添加Item
/// </summary>
/// <param name="item">Item</param>
/// <returns>添加Item</returns>
/// <remarks>添加Item</remarks>
public int Add(SelectItem item)
{
return (List.Add(item));
}
