![](/img/trans.png)
[英]Get rowindex of gridview on click of a button outside gridview
[英]Get Gridview RowIndex outside of the gridview
我的Button1在Panel中,我想访问rowindex,以便隐藏Imagebutton。 但是当我进入调试模式时,GridView1.SelectedIndex具有空值。 请求帮助!
protected void Button1_Click1(object sender, EventArgs e)
{
foreach (GridViewRow row in GridView1.Rows)
{
if (row.RowType == DataControlRowType.DataRow)
{
if (row.RowIndex == Convert.ToInt32(GridView1.SelectedIndex))
{
ImageButton StopButton = (ImageButton)row.FindControl("stopImageButton");
ImageButton StartButton = (ImageButton)row.FindControl("startImageButton");
StopButton.Visible = true;
StartButton.Visible = false;
}
}
}
this.StopTimeNotesPanel_ModalPopupExtender.Hide();
}
你说Button在面板里面。 为了能够有效地处理GridView事件,请使用Gridview内部的按钮。
或者,如果您仍想在面板中使用按钮,那么,
1.)首先在Gridview中添加一个选择按钮。 使用选择按钮选择一行
2.)单击Panel中的按钮。
只有在选择了一行网格视图时才会设置GridView.SelectedIndex。 有两种方法:
1.)将AutoGenerateSelectButton属性设置为true。
<asp:gridview id="CustomersGridView"
datasourceid="CustomersSource"
autogenerateselectbutton="True"
runat="server">
2.)在gridView的section部分中添加一个buttonField:
<asp:gridview id="CustomersGridView"
datasourceid="CustomersSqlDataSource"
autogeneratecolumns="false"
runat="server">
<columns>
<asp:buttonfield buttontype="Button"
commandname="Select"
headertext="Select Customer"
text="Select"/>
<asp:boundfield datafield="CompanyName"
headertext="Company Name"/>
</columns>
</asp:gridview>
现在,在选择了一行后,将触发两个GridView事件:selectedindexchanging&selectedindexchanged。
仅在需要时,执行以下步骤以在SelctedIndexChangedEvent中获取SelectedRow
void CustomersGridView_SelectedIndexChanged(Object sender, EventArgs e)
{
// Get the currently selected row using the SelectedRow property.
GridViewRow row = CustomersGridView.SelectedRow;
MessageLabel.Text = "You selected " + row.Cells[2].Text; // just for Display
}
现在,在按钮单击事件中,获取所选索引:
protected void Button1_Click1(object sender, EventArgs e)
{
int i = CustomersGridView.SelectedIndex;
}
foreach
循环的代码:
ImageButton StopButton = (ImageButton)row.FindControl("stopImageButton");
ImageButton StartButton = (ImageButton)row.FindControl("startImageButton");
StopButton.Visible = true;
StartButton.Visible = false;
声明:本站的技术帖子网页,遵循CC BY-SA 4.0协议,如果您需要转载,请注明本站网址或者原文地址。任何问题请咨询:yoyou2525@163.com.