[英]Pass row index to modal popup window from buttonField in GridView
我有一个GridView(见下文),它使用ButtonField按钮启动模态弹出窗口。 这是GridView
<asp:GridView ID="GridView1" runat="server" OnRowCommand="GridView1_ButtonClick" OnSelectedIndexChanged="GridView1_SelectedIndexChanged" CssClass="mGrid" AllowPaging="True" PagerStyle-CssClass="pgr"
AlternatingRowStyle-CssClass="alt" OnRowEditing="GridView1_RowEditing" AutoGenerateColumns="False">
<AlternatingRowStyle BackColor="#F7F7F7" CssClass="alt" />
<HeaderStyle BackColor="#4A3C8C" Font-Bold="True" ForeColor="#F7F7F7" />
<Columns>
<asp:BoundField HeaderText="BeaconID" ShowHeader="True" Visible="True" DataField="beaconObjectid" />
<asp:BoundField DataField="aliasName" HeaderText="My Beacon Name" />
<asp:ButtonField ButtonType="Button" CommandName="AssignName" Text="Assign Name"/>
<asp:BoundField HeaderText="Action Type" DataField="actionType" />
<asp:BoundField DataField="actionContent" HeaderText="Action Content" />
<asp:ButtonField ButtonType="Button" CommandName="AssignAction" Text="Assign/Change Action"/>
</Columns>
<PagerStyle CssClass="pgr" />
</asp:GridView>
这样可以正常打开模态窗口,使用下面显示的C#代码:
<asp:Button ID="showModal3" runat="server" Text="Show Modal" CssClass="hiddenButton"/>
<asp:Panel ID="Panel3" runat="server" CssClass="modalPopup">
<div class="header">
Set Alias Name
</div>
<div class="body">
Set a new name for your beacon
<br />
<br />
<div style="float: none;">
<asp:TextBox ID="AliasNameTextBox" runat="server" Height="21px" Width="300px"></asp:TextBox>
</div>
</div><br/>
<div class="footer" align="right">
<asp:Button ID="setAliasOK" runat="server" Text="OK" CssClass="yes" OnClick="setAliasOK_Click" CausesValidation="False" />
<asp:Button ID="setAliasCancel" runat="server" Text="Cancel" CssClass="no" />
</div></asp:Panel>
<ajaxToolkit:ModalPopupExtender ID="SetAliasNameModalPopupExtender" runat="server" CancelControlID="setAliasCancel" DropShadow="True" PopupControlID="Panel3" TargetControlID="showModal3" BackgroundCssClass="modalBackground"></ajaxToolkit:ModalPopupExtender>
在我的C#代码中,我得到了这样的按钮的索引,所以我知道哪一行被点击,这一切都很好:
protected void GridView1_ButtonClick(object sender, GridViewCommandEventArgs e)
{
GridViewRow row = GridView1.Rows[Convert.ToInt32(e.CommandArgument)]; // this gets the row
string id = row.Cells[0].Text;
string name = row.Cells[1].Text;
string actionText = row.Cells[3].Text;
if (e.CommandName == "AssignName")
{
SetAliasNameModalPopupExtender.Show();
AliasNameTextBox.Text = name;
}
if (e.CommandName == "AssignAction")
{
ChooseActionModalPopupExtender.Show();
}
Label1.Text = name;
Label2.Text = actionText;
Label3.Text = id;
currentlySelectedRow = Convert.ToInt32(e.CommandArgument);
beaconIDnumber = id;
}
问题是当我从我的模态弹出窗口中单击“确定”按钮时。 我需要从调用它的gridview按钮区访问行索引。 我的OK按钮单击事件如下所示:
protected void setAliasOK_Click(object sender, EventArgs e)
{
var newName = AliasNameTextBox.Text;
ParseChangeAliasName(beaconIDnumber, newName);
SetAliasNameModalPopupExtender.Hide();
}
所以我最终要问的是,我如何将gridview行传递给模态窗口,以便我可以使用来自相应行单元格的数据 - 在这种情况下是信标ID(gridview中的DataField =“beaconObjectid”)。 我甚至尝试在GridView1_ButtonClick方法中设置全局变量,然后在setAliasOK_Click方法中引用它们,但是一旦模态窗口打开它们就会被擦除。 理想情况下,我想在不使用Javascript的情况下执行此操作。
以同样的方式得到
GridViewRow row = GridView1.Rows[Convert.ToInt32(e.CommandArgument)];
你可以设置你的Button属性:
setAliasOK.CommandName = "AliasOK" ;
setAliasOK.CommandArgument = e.CommandArgument ;
但是您需要处理按钮的RowCommand事件而不是Click事件以获取Button的Command参数
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