Bulk edit update multiple rows in ASP.NET gridview using checkboxes

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C#

ASP.NET

SQL-Server

Gridview

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In the below HTML Markup I have a simple ASP.Net GridView with 3 columns.

First column containing the CheckBox, second column containing a Label for display ID and Access Path of the folder respectively and the third column containing a Label and DropDownList for display and edit status of the folder respectively.

Here I am using GridView with paging to display the data, and the data is about millions of rows. When I click on submit button to update the checkbox selected rows, execution time is taking too much to update the rows in table.

For Example: for 5000 rows = 26 min.
Can anyone help me to resolve this issue and reduce the execution time to update all the records within few seconds.

What I have tried:

Please see the code:

enter code here
<asp:GridView ID="gvACLReport" runat="server" AutoGenerateColumns="False"CssClass="mgrid" EmptyDataText="No Records Exists..." DataKeyNames="ACLId" ShowFooter="True" HorizontalAlign="Center" Width="100%" AllowPaging="True" EnableSortingAndPagingCallback="True" PageSize="500" AllowSorting="True" Visible="False" onpageindexchanging="gvACLReport_PageIndexChanging" EnableSortingAndPagingCallbacks="True">
<AlternatingRowStyle CssClass="mgridalt" />
<PagerSettings PageButtonCount="10000" />
<PagerStyle CssClass="gridview" HorizontalAlign="Center">
<columns>
<asp:templatefield>
<headertemplate>
<asp:CheckBox ID="chkAllACLReport" runat="server" AutoPostBack="true" OnCheckedChanged="OnCheckedChanged" />

<itemtemplate>
<asp:CheckBox ID="chkACLReport" runat="server" AutoPostBack="true" OnCheckedChanged="OnCheckedChanged"/>

<ItemStyle Width="20px" />


<asp:TemplateField HeaderText="ACL Id">
<itemtemplate>
<asp:Label ID="lblACLId" runat="server" Text='<%# Eval("ACLId") %>'>

<ItemStyle Width="20px" />


<asp:TemplateField HeaderText="Access Path">
<itemtemplate>
<asp:TextBox ID="lblAccessPathACL" runat="server" Rows="3" Width="400px" Text='<%# Eval("AccessPath") %>'ReadOnly="True" TextMode="MultiLine" BorderStyle="None" BorderWidth="0px" BackColor="Transparent">

<ItemStyle Width="150px" />


<asp:TemplateField HeaderText="Directory Name">
<itemtemplate>
<asp:TextBox ID="lblDirectoryName" runat="server" Rows="3" Width="400px" Text='<%# Eval("DirectoryName") %>'ReadOnly="True" TextMode="MultiLine" BorderStyle="None" BorderWidth="0px" BackColor="Transparent">

<ItemStyle Width="150px" />



<asp:TemplateField HeaderText="User Group">
<itemtemplate>
<asp:Label ID="lblUserGroup" runat="server" Text='<%# Eval("UserGroup") %>'>

<ItemStyle Width="150px" />


<HeaderStyle CssClass="mgridheader" />
<RowStyle CssClass="mgriditem" />


//Please check this the table contain the drop down list to update the status and submit and clear button

Status:

<asp:DropDownList ID="ddlChangeStatus" AutoPostBack="True" AppendDataBoundItems="True" runat="server" Width="200px" DataSourceID="SDSChangeStatus" DataTextField="Status" DataValueField="StatusId"> <asp:ListItem Text="--Select--" Value="0"> <asp:SqlDataSource ID="SDSChangeStatus" runat="server" ConnectionString="<%$ ConnectionStrings:gtsgeneralconn %>" SelectCommand="VT_getStatusList" SelectCommandType="StoredProcedure"> <asp:RequiredFieldValidator ID="RequiredFieldValidator4" runat="server" ControlToValidate="ddlChangeStatus" Display="Dynamic" ErrorMessage="Select Status" InitialValue="0" SetFocusOnError="True">*

<asp:Button ID="btnChangeStatus" runat="server" Text="Submit" CausesValidation="False" onclick="btnChangeStatus_Click" /> <asp:Button ID="btnChangeClear" runat="server" Text="Clear" CausesValidation="False" onclick="btnChangeClear_Click" />

Code Behind:

protected void ChangeStatusGlobalSensitiveNonSensitiveReport()
{
int rowsAffected = 0;
foreach (GridViewRow row in gvGlobalSensitive.Rows)
{
if (row.RowType == DataControlRowType.DataRow)
{
bool isChecked = row.Cells[0].Controls.OfType<CheckBox().FirstOrDefault().Checked;
if (isChecked)
{
using (SqlConnection con = new SqlConnection(cs))
{
cmd = new SqlCommand("VT_ACLReportChangeStatus", con);
cmd.CommandType = System.Data.CommandType.StoredProcedure;
cmd.CommandTimeout = 3600;
cmd.Parameters.AddWithValue("@ChangeStatus", ddlChangeStatus.SelectedItem.Text.ToString());
cmd.Parameters.AddWithValue("@ACLId", row.Cells[1].Controls.OfType().FirstOrDefault().Text);
con.Open();
cmd.ExecuteNonQuery();
con.Close();
rowsAffected++;
}
}
}
lblUpdatedRowsMsg.Text = rowsAffected + " Rows updated!!";
lblUpdateMsg.Text = "Detail Saved Successfully!!";
gvGlobalSensitive.Visible = false;
tableChangeStatus.Visible = false;
divReport.Visible = false;
}
if (rowsAffected == 0)
{
lblUpdateMsg.Text = "Please select the check box to update the status!!";
lblUpdatedRowsMsg.Text = rowsAffected + " Rows updated!!";
}
}

// Please check Stored Procedure:
ALTER PROCEDURE [dbo].[VT_ACLReportChangeStatus]
(
@ChangeStatus nvarchar(50)=null,
@ACLId int
)
AS
// Exec VT_ACLReportChangeStatus 'Complete',34
BEGIN
UPDATE VT_ACLReport SET Status = @ChangeStatus WHERE ACLId = @ACLId
End