[英]How to get values of CheckBoxes inside a gridview that are checked using asp .net
[英]How to get values from multiple checked checkboxes in asp.net?
我有一组没有名称的输入复选框,我想从gridview中获取那些我仅检查过的值,如何实现呢? 我真的很难完成它(BtnAdd_Click)。 也许你可以帮忙吗? 下面是.aspx和.aspx.cs代码:
<asp:GridView ID="GvModules"
AutoGenerateColumns="False"
AllowSorting ="True"
OnSorting="GvModules_Sorting"
runat="server"
CssClass="table table-bordered table-striped table-condensed table-hover table-responsive" OnSelectedIndexChanged="GvModules_SelectedIndexChanged">
<Columns>
<asp:BoundField DataField="moduleid" HeaderText="Module ID" />
<asp:BoundField DataField="module_name" HeaderText="Module Name" />
<asp:BoundField DataField="descriptions" HeaderText="Module Descriptions" />
<asp:BoundField DataField="msa_DateTime" HeaderText="Start Date/Time" />
<asp:TemplateField HeaderText="Check To Indicate">
<ItemTemplate>
<asp:CheckBox ID="ChkAdd"
runat="server"
Text=""
CommandArgument='<%#Eval("moduleid") %>'
OnCommand="ChkAdd_Command"
OnClientClick='<%# "javascript:return confirm(\"Add [" + Eval("module_name") + "]\");" %>' />
</ItemTemplate>
</asp:TemplateField>
</Columns>
</asp:GridView>
</div>
<div class="form-group">
<div class="col-sm-offset-3 col-sm-9">
<asp:Button ID="BtnAdd" CssClass="btn btn-default" Text="Indicate" OnClick="BtnAdd_Click" runat="server" />
</div>
</div>
<div class="row">
<hr />
<asp:Literal ID="LtlSchool" runat="server" />
</div>
这是按钮单击事件:
protected void BtnAdd_Click(object sender, EventArgs e)
{
}
您可以在gridview上应用迭代以获取选定的复选框值:
protected void BtnAdd_Click(object sender, EventArgs e)
{
foreach (GridViewRow r in GvModules.Rows)
{
//Find the checkbox in the current row
CheckBox chk = (CheckBox)r.FindControl("ChkAdd");
if (chk!=null && chk.Checked)
{
//code when checkbox checked
}
}
}
我做到了,但是当我进入下一页时没有显示任何值。
if (chk!=null && chk.Checked)
{
Response.Redirect("AssociateIndication.aspx");
}
}
}
在按钮事件中尝试以下操作:
protected void BtnAdd_Click(object sender, EventArgs e)
{
foreach (GridViewRow gvr in GvModules.Rows)
{
CheckBox chk = (CheckBox)gvr.FindControl("ChkAdd");
if (chk.Checked == true)
{
// do something here if checkbox is checked
}
}
}
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