Help selecting geridview row without select button.

I am trying to get a gridview row to be selected without havigna select button.

 I have looked all over and come up with this notion.

 In the Gridview I do the following.

                 <asp:TemplateField HeaderText="ContactID" Visible="False">
                        <asp:Button style="display:none" ID="btnSelectRow" runat="server" Text="Select"></asp:Button>

 The I try to add this to the RowDataBound Event

e.Row.Attributes.Add("onclick", e.Row.FindControl("btnSelectRow").ClientID & ".click();");


But I get an error


Operator & cannot be applied to operands of type string and string.


Any ideas what I need to change here.

8/5/2008 3:25:00 PM 72751 articles. 3 followers. Follow

3 Replies

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Here's an example for you:


<%@ page autoeventwireup="true" codefile="SelectRowWithoutSelectCommand.aspx.cs"
	inherits="GridView_SelectRowWithoutSelectCommand" language="C#" masterpagefile="~/MasterPages/Default.master"
	title="GridView: Select Row Without Select Command" %>

<asp:content id="Content1" runat="Server" contentplaceholderid="ContentPlaceHolder1">
	<asp:label id="Label1" runat="server" />
	<asp:gridview id="GridView1" runat="server" autogeneratecolumns="False" datakeynames="ProductID,ProductName"
		datasourceid="SqlDataSource1" onselectedindexchanged="GridView1_SelectedIndexChanged"
		style="margin-top: 12px;">
			<asp:boundfield datafield="ProductID" headertext="ProductID" readonly="True" sortexpression="ProductID" />
			<asp:boundfield datafield="ProductName" headertext="ProductName" sortexpression="ProductName" />
	<asp:sqldatasource id="SqlDataSource1" runat="server" connectionstring="<%$ ConnectionStrings:NorthwindConnectionString %>"
		selectcommand="SELECT * FROM [Products]">


using System;
using System.Web.UI;
using System.Web.UI.WebControls;

public partial class GridView_SelectRowWithoutSelectCommand : Page
	protected void GridView1_SelectedIndexChanged(object sender, EventArgs e)
		Label1.Text = String.Format("You selected product '{0}'.", GridView1.SelectedDataKey["ProductName"]);

	protected override void Render(HtmlTextWriter writer)
		const string onMouseOverStyle = "this.className='GridViewMouseOver';";
		const string onMouseOutStyle = "this.className='{0}';";
		foreach (GridViewRow gvr in GridView1.Rows)
			gvr.Attributes["onmouseover"] = onMouseOverStyle;
			gvr.Attributes["onmouseout"] = String.Format(
			gvr.Attributes["onclick"] = ClientScript.GetPostBackClientHyperlink(
				String.Concat("Select$", gvr.RowIndex),

	private string GetRowStyleCssClass(DataControlRowState state)
		if ((state & DataControlRowState.Edit) > 0)
			return GridView1.EditRowStyle.CssClass;
		else if ((state & DataControlRowState.Selected) > 0)
			return GridView1.SelectedRowStyle.CssClass;
		else if ((state & DataControlRowState.Alternate) > 0)
			return GridView1.AlternatingRowStyle.CssClass;
			return GridView1.RowStyle.CssClass;

Thanks, Ed

Microsoft MVP - ASP/ASP.NET

8/5/2008 3:30:07 PM

I dont use sqldatasources. INstead I bind my gridview programmatically...This is how I set up my Gridview.


<asp:GridView ID="GridView2" runat="server" AutoGenerateColumns="False"

DataKeyNames="ContactID" Width="200px"

onrowdatabound="GridView2_RowDataBound" AllowSorting="true" onselectedindexchanged="GridView2_SelectedIndexChanged"




<asp:CommandField SelectText ="Select" ShowSelectButton="true" ItemStyle-CssClass = "HiddenColumn" HeaderStyle-CssClass ="HiddenColumn" />

<asp:TemplateField HeaderText="ContactID" Visible="False">


<asp:Label ID="lblContactID" runat="server" Text='<%# Bind("ContactID")%>' ></asp:Label>



<asp:TemplateField HeaderText="LastName">


<asp:Label ID="lblLastName" runat="server" Text='<%# Bind("LastName") %>' ></asp:Label>


<HeaderStyle Font-Underline="True" HorizontalAlign="Left" />


<asp:TemplateField HeaderText="FirstName">


<asp:Label ID="lblFirstName" runat="server" Text='<%# Bind("FirstName")%>' ></asp:Label>



<HeaderStyle Font-Underline="True" HorizontalAlign="Left" />


<asp:TemplateField HeaderText="MI">


<asp:Label ID="lblMiddleInit" runat="server" Text='<%# Bind("MiddleName") %>'></asp:Label>


<ControlStyle Width="100px" />

<HeaderStyle Font-Underline="True" HorizontalAlign="Left" />







protected void GridView2_RowDataBound(object sender, GridViewRowEventArgs e)


if (e.Row.RowType == DataControlRowType.DataRow)


//e.Row.Attributes.Add("onclick", e.Row.FindControl("btnSelectRow").ClientID & ".click();");

e.Row.Attributes.Add("onmouseover", "Highlight_On(this);");

e.Row.Attributes.Add("onmouseout", "Highlight_Off(this);");

e.Row.Attributes["OnClick"] = ClientScript.GetPostBackEventReference(this, "Select$" + e.Row.RowIndex);e.Row.Style["cursor"] = "hand";




protected void GridView2_SelectedIndexChanged(object sender, EventArgs e)


Label1.Text = String.Format("You selected user '{0}'.", GridView1.SelectedDataKey["ContactID"]);





However the SelectedIndexChanged event handler isnt firing.



8/5/2008 4:44:00 PM

Just had to wire the event handler to the control..

8/6/2008 12:59:21 PM

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