让保存和反绑定更加简单！

 

新建 ZCheckBoxList类： 

using System.Web.UI.WebControls;

namespace Business

{

public class ZCheckBoxList : CheckBoxList

{

/// 2011-6-19 曾祥展

/// 假如勾2，3,4 則SelectedValue="2,3,4"

/// 

public override string SelectedValue

{

get

{

string _ReturnValue = "";

this.EnsureChildControls();

for (int i = 0; i < this.Items.Count; i++)

{

if (this.Items[i].Selected == true)

{

_ReturnValue += this.Items[i].Value + ",";

}

}

if (!string.IsNullOrEmpty(_ReturnValue))

{

_ReturnValue = _ReturnValue.TrimEnd(',');

}

else

{

return string.Empty;

}

return _ReturnValue;

}

set

{

if (value == null)

{

value = string.Empty;

}

string _ReturnValue = "";

this.EnsureChildControls();

_ReturnValue = value;

for (int i = 0; i < this.Items.Count; i++)

{

this.Items[i].Selected = false;

}

if (_ReturnValue.Trim().Length != 0)

{

string[] ReturnValue1 = _ReturnValue.Split(',');

// 1,2,3

for (int intItem = 0; intItem <= ReturnValue1.Length - 1; intItem++)

{

for (int i = 0; i < this.Items.Count; i++)

{

if (ReturnValue1[intItem] == this.Items[i].Value)

{

this.Items[i].Selected = true;

break;

}

}

}

}

}

}

}

}

 

<%@ Register Assembly="Business" Namespace="Business" TagPrefix="cc1" %>

RepeatDirection="Horizontal" RepeatColumns="3">

取值：

this.cblEnvironment.SelectedValue

赋值：

cblEnvironment.SelectedValue = eid;