单击按钮时如何处理checkboxlist检查状态 [英] how to handle checkboxlist checked state when click on button
问题描述
hai先生
在我的页面中我有复选框列表和一个按钮。
i通过sqldatabase将数据绑定到checkboxlist,
然后我检查了一些复选框列表项目并点击按钮
点击按钮后复选框列表检查项目未确定。
这就是我的问题。
点击按钮时我也希望维护已检查的项目是否已经过cheked。
我的设计是:
< asp:CheckBoxList ID = chkNoDue runat = server Checked = True EnableViewState = true DataTextField = mi_DOC_NAME DataValueField = MI_DOCUMENTSLIST_ID AppendDataBoundItems = false >
< asp: Button id = btnDocuments runat = server OnClick = btnDocuments_Click >
我的代码是:
页面加载我将数据绑定到checkboxlist。
按钮点击
for ( int i = 0 < /跨度>; i < chkNoDue.Items.Count; i ++)
{
int Documentid = Convert.ToInt32(chkNoDue.Items [i] .Value.ToString());
布尔检查;
if (chkNoDue.Items [i] .Selected)
{
check = 真跨度>;
}
其他
{
check = false ;
}
}
帮我!!
在页面加载绑定'Is Not Postback'中的复选框列表。
protected void Page_Load( object sender,EventArgs e)
{
if (!IsPostBack)
{
// 此处绑定复选框列表
BindCheckboxList();
}
}
希望它能解决您的问题。感谢
hai sir
in my page i have checkboxlist and one button .
i was bind data to checkboxlist through sqldatabase ,
then i was checked some checkboxlist items and click on button
after click on button that checkboxlist checked items are unckecked.
thats my problem.
when click on button also i want maintain checked items are with cheked.
my design is:
<asp:CheckBoxList ID="chkNoDue" runat="server" Checked="True" EnableViewState="true" DataTextField="mi_DOC_NAME" DataValueField="MI_DOCUMENTSLIST_ID" AppendDataBoundItems="false" >
<asp:Button id="btnDocuments" runat="server" OnClick="btnDocuments_Click">
my code is:
in page load i was bind data to checkboxlist.
in button click
for (int i = 0; i < chkNoDue.Items.Count; i++)
{
int Documentid = Convert.ToInt32(chkNoDue.Items[i].Value.ToString());
Boolean check;
if (chkNoDue.Items[i].Selected)
{
check = true;
}
else
{
check = false;
}
}
help me !!
In Page Load bind the checkboxlist inside the 'Is Not Postback'.
protected void Page_Load(object sender, EventArgs e) { if (!IsPostBack) { //Bind Checkboxlist here BindCheckboxList(); } }
Hope it will solve your issue. Thanks
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