How to make fast saving Checkboxes inside Gridview

Scenario: I have a gridview that loads morethan 300 rows..but it takes a minute to save the value of checkboxes..how can i resolved this..

ASPX

<asp:GridView ID="gridRolApp" runat="server" ClientIDMode="Static"

BorderColor="#0070C0" GridLines="None" AutoGenerateColumns="False"

Width="1100px" UseAccessibleHeader="false" CssClass="Content"

datakeynames="User_Pidx,BusinessUnit,Department">

<asp:TemplateField >

<HeaderTemplate>BUSINESS UNITHeaderTemplate>

<%#Eval("Plant_Name")%>

ItemTemplate>

asp:TemplateField>

<asp:TemplateField>

<HeaderTemplate>DEPARTMENTHeaderTemplate>

<%#Eval("Dept_Name")%>

ItemTemplate>

asp:TemplateField>

<asp:TemplateField>

<asp:CheckBox runat="server" id="chkAllDeptHead" AutoPostBack="True" oncheckedchanged="chkAllDeptHead_CheckedChanged" />

DH

HeaderTemplate>

<center><asp:CheckBox runat="server" id="chkDeptHead" OnDataBinding="chkDeptHead_DataBinding"/>center>

ItemTemplate>

asp:TemplateField>

<asp:TemplateField>

<asp:CheckBox runat="server" id="chkAllSM" AutoPostBack="True" oncheckedchanged="chkAllSM_CheckedChanged" />

SM

HeaderTemplate>

<center><asp:CheckBox runat="server" id="chkSM" OnDataBinding="chkSM_DataBinding"/>center>

ItemTemplate>

asp:TemplateField>

<asp:TemplateField>

<asp:CheckBox runat="server" id="chkAllTMM" AutoPostBack="True" oncheckedchanged="chkAllTMM_CheckedChanged" />

TMM

HeaderTemplate>

<center><asp:CheckBox runat="server" id="chkTMM" OnDataBinding="chkTMM_DataBinding" />center>

ItemTemplate>

asp:TemplateField>

<asp:TemplateField>

<asp:CheckBox runat="server" id="chkAllHRM" AutoPostBack="True" oncheckedchanged="chkAllHRM_CheckedChanged" />

HRM

HeaderTemplate>

<center><asp:CheckBox runat="server" id="chkHRM" OnDataBinding="chkHRM_DataBinding"/>center>

ItemTemplate>

asp:TemplateField>

<asp:TemplateField>

<asp:CheckBox runat="server" id="chkAllFM" AutoPostBack="True" oncheckedchanged="chkAllFM_CheckedChanged" />

FM

HeaderTemplate>

<center><asp:CheckBox runat="server" id="chkFM" OnDataBinding="chkFM_DataBinding"/>center>

ItemTemplate>

asp:TemplateField>

<asp:TemplateField>

<asp:CheckBox runat="server" id="chkAllFD" AutoPostBack="True" oncheckedchanged="chkAllFD_CheckedChanged" />

FD

HeaderTemplate>

<center><asp:CheckBox runat="server" id="chkFD" OnDataBinding="chkFD_DataBinding" />center>

ItemTemplate>

asp:TemplateField>

<asp:TemplateField>

<asp:CheckBox runat="server" id="chkAllGM" AutoPostBack="True" oncheckedchanged="chkAllGM_CheckedChanged" />

GM

HeaderTemplate>

<center><asp:CheckBox runat="server" id="chkGM" OnDataBinding="chkGM_DataBinding" />center>

ItemTemplate>

asp:TemplateField>

<asp:TemplateField>

<asp:CheckBox runat="server" id="chkAllSGM" AutoPostBack="True" oncheckedchanged="chkAllSGM_CheckedChanged" />

SGM

HeaderTemplate>

<center><asp:CheckBox runat="server" id="chkSGM" OnDataBinding="chkSGM_DataBinding"/>center>

ItemTemplate>

asp:TemplateField>

<asp:TemplateField>

<asp:CheckBox runat="server" id="chkAllFC" AutoPostBack="True" oncheckedchanged="chkAllFC_CheckedChanged" />

FC

HeaderTemplate>

<center><asp:CheckBox runat="server" id="chkFC" OnDataBinding="chkFC_DataBinding" />center>

ItemTemplate>

asp:TemplateField>

<asp:TemplateField>

<asp:CheckBox runat="server" id="chkAllVPFHead" AutoPostBack="True" oncheckedchanged="chkAllVPFHead_CheckedChanged" />

VP-FH

HeaderTemplate>

<center><asp:CheckBox runat="server" id="chkVPFHead" OnDataBinding="chkVPFHead_DataBinding" />center>

ItemTemplate>

asp:TemplateField>

<asp:TemplateField>

<asp:CheckBox runat="server" id="chkAllVPML" AutoPostBack="True" oncheckedchanged="chkAllVPML_CheckedChanged" />

VP-M&L

HeaderTemplate>

<center><asp:CheckBox runat="server" id="chkVPML" OnDataBinding="chkVPML_DataBinding" />center>

ItemTemplate>

asp:TemplateField>

<asp:TemplateField>

<asp:CheckBox runat="server" id="chkAllCorpLegal" AutoPostBack="True" oncheckedchanged="chkAllCorpLegal_CheckedChanged" />

CLS

HeaderTemplate>

<center><asp:CheckBox runat="server" id="chkCorpLegal" OnDataBinding="chkCorpLegal_DataBinding"/>center>

ItemTemplate>

asp:TemplateField>

<asp:TemplateField>

<asp:CheckBox runat="server" id="chkAllVPHR" AutoPostBack="True" oncheckedchanged="chkAllVPHR_CheckedChanged" />

VP-HR

HeaderTemplate>

<center><asp:CheckBox runat="server" id="chkVPHR" OnDataBinding="chkVPHR_DataBinding" />center>

ItemTemplate>

asp:TemplateField>

<asp:TemplateField>

<asp:CheckBox runat="server" id="chkAllEVPSales" AutoPostBack="True" oncheckedchanged="chkAllEVPSales_CheckedChanged" />

EVPSales

HeaderTemplate>

<center><asp:CheckBox runat="server" id="chkEVPSales" OnDataBinding="chkEVPSales_DataBinding" />center>

ItemTemplate>

asp:TemplateField>

<asp:TemplateField>

<asp:CheckBox runat="server" id="chkAllCFO" AutoPostBack="True" oncheckedchanged="chkAllCFO_CheckedChanged" />

CFO

HeaderTemplate>

<center><asp:CheckBox runat="server" id="chkCFO" OnDataBinding="chkCFO_DataBinding" />center>

ItemTemplate>

asp:TemplateField>

<asp:TemplateField>

<asp:CheckBox runat="server" id="chkAllPres" AutoPostBack="True" />

Pres

HeaderTemplate>

<center><asp:CheckBox runat="server" id="chkPres" OnDataBinding="chkPres_DataBinding"/>center>

ItemTemplate>

asp:TemplateField>

<asp:TemplateField>

<asp:CheckBox runat="server" id="chkAllCEO" AutoPostBack="True" oncheckedchanged="chkAllCEO_CheckedChanged" />

CEO

HeaderTemplate>

<center><asp:CheckBox runat="server" id="chkCEO" OnDataBinding="chkCEO_DataBinding"/>center>

ItemTemplate>

asp:TemplateField>

Columns>

asp:GridView>

<asp:Button runat="server" Text="Save" ID="btnSave" Width="100" CssClass="TextDrop" onclick="btnSave_Click" />

protected void btnSave_Click(object sender, EventArgs e)

{

if (txtValidation().Equals(true))

{

CLMSDataContext context = new CLMSDataContext();

try

{

context.ExecuteCommand("UPDATE Dim_User SET PosLoc_Abbreviation = '" + txtPosLocAbb.Text + "', " + Environment.NewLine +

" Active ='"+ chkActive.Checked +"'," + Environment.NewLine +

" Admin ='" + chkAdmin.Checked + "'," + Environment.NewLine +

" RealTime_Notification ='" + ChkRTNotification.Checked + "'," + Environment.NewLine +

" LastName = '" + txtLastName.Text + "', " + Environment.NewLine +

" FirstName = '" + txtFirstName.Text + "', " + Environment.NewLine +

" MiddleInitial = '" + txtMI.Text.Trim() + "', " + Environment.NewLine +

" NickName = '" + txtAKA.Text + "', " + Environment.NewLine +

" SMTPAddress = '" + txtEmail.Text + "', " + Environment.NewLine +

" Plant_PIdx = '" + defaultBU.SelectedValue + "', Dept_PIdx = '" + defaultDept.SelectedValue + "' " + Environment.NewLine +

" WHERE User_Idx = '" + Convert.ToInt64(Session["UserID"]) + "'");

bool chkboxIsChecked = false;

List<Dim_User_Role> deleteRole = (from key in context.Dim_User_Roles

where key.User_PIdx == Convert.ToInt64(Session["UserID"])

select key).ToList();

context.Dim_User_Roles.DeleteAllOnSubmit(deleteRole);

context.SubmitChanges();

foreach (GridViewRow row in gridRolApp.Rows)

{

string pUserID = gridRolApp.DataKeys[row.RowIndex].Values["User_Pidx"].ToString();

string pPlantID = gridRolApp.DataKeys[row.RowIndex].Values["BusinessUnit"].ToString();

string pDeptID = gridRolApp.DataKeys[row.RowIndex].Values["Department"].ToString();

chkboxIsChecked = false;

CheckBox chkDeptHead = (CheckBox)row.FindControl("chkDeptHead");

if ((chkDeptHead != null) && (chkDeptHead.Checked == true))

{

chkboxIsChecked = true;

}

RoleSaving(Convert.ToInt64(pUserID), Convert.ToInt64(pPlantID), Convert.ToInt64(pDeptID), getRole("chkDeptHead"), chkboxIsChecked);

chkboxIsChecked = false;

CheckBox chkSM = (CheckBox)row.FindControl("chkSM");

if ((chkSM != null) && (chkSM.Checked == true))

{

chkboxIsChecked = true;

}

RoleSaving(Convert.ToInt64(pUserID), Convert.ToInt64(pPlantID), Convert.ToInt64(pDeptID), getRole("chkSM"), chkboxIsChecked);

chkboxIsChecked = false;

CheckBox chkTMM = (CheckBox)row.FindControl("chkTMM");

if ((chkTMM != null) && (chkTMM.Checked == true))

{

chkboxIsChecked = true;

}

RoleSaving(Convert.ToInt64(pUserID), Convert.ToInt64(pPlantID), Convert.ToInt64(pDeptID), getRole("chkTMM"), chkboxIsChecked);

chkboxIsChecked = false;

CheckBox chkHRM = (CheckBox)row.FindControl("chkHRM");

if ((chkHRM != null) && (chkHRM.Checked == true))

{

chkboxIsChecked = true;

}

RoleSaving(Convert.ToInt64(pUserID), Convert.ToInt64(pPlantID), Convert.ToInt64(pDeptID), getRole("chkHRM"), chkboxIsChecked);

chkboxIsChecked = false;

CheckBox chkFM = (CheckBox)row.FindControl("chkFM");

if ((chkFM != null) && (chkFM.Checked == true))

{

chkboxIsChecked = true;

}

RoleSaving(Convert.ToInt64(pUserID), Convert.ToInt64(pPlantID), Convert.ToInt64(pDeptID), getRole("chkFM"), chkboxIsChecked);

chkboxIsChecked = false;

CheckBox chkFD = (CheckBox)row.FindControl("chkFD");

if ((chkFD != null) && (chkFD.Checked == true))

{

chkboxIsChecked = true;

}

RoleSaving(Convert.ToInt64(pUserID), Convert.ToInt64(pPlantID), Convert.ToInt64(pDeptID), getRole("chkFD"), chkboxIsChecked);

chkboxIsChecked = false;

CheckBox chkGM = (CheckBox)row.FindControl("chkGM");

if ((chkGM != null) && (chkGM.Checked == true))

{

chkboxIsChecked = true;

}

RoleSaving(Convert.ToInt64(pUserID), Convert.ToInt64(pPlantID), Convert.ToInt64(pDeptID), getRole("chkGM"), chkboxIsChecked);

chkboxIsChecked = false;

CheckBox chkSGM = (CheckBox)row.FindControl("chkSGM");

if ((chkSGM != null) && (chkSGM.Checked == true))

{

chkboxIsChecked = true;

}

RoleSaving(Convert.ToInt64(pUserID), Convert.ToInt64(pPlantID), Convert.ToInt64(pDeptID), getRole("chkSGM"), chkboxIsChecked);

chkboxIsChecked = false;

CheckBox chkFC = (CheckBox)row.FindControl("chkFC");

if ((chkFC != null) && (chkFC.Checked == true))

{

chkboxIsChecked = true;

}

RoleSaving(Convert.ToInt64(pUserID), Convert.ToInt64(pPlantID), Convert.ToInt64(pDeptID), getRole("chkFC"), chkboxIsChecked);

chkboxIsChecked = false;

CheckBox chkVPFHead = (CheckBox)row.FindControl("chkVPFHead");

if ((chkVPFHead != null) && (chkVPFHead.Checked == true))

{

chkboxIsChecked = true;

}

RoleSaving(Convert.ToInt64(pUserID), Convert.ToInt64(pPlantID), Convert.ToInt64(pDeptID), getRole("chkVPFHead"), chkboxIsChecked);

chkboxIsChecked = false;

CheckBox chkVPML = (CheckBox)row.FindControl("chkVPML");

if ((chkVPML != null) && (chkVPML.Checked == true))

{

chkboxIsChecked = true;

}

RoleSaving(Convert.ToInt64(pUserID), Convert.ToInt64(pPlantID), Convert.ToInt64(pDeptID), getRole("chkVPML"), chkboxIsChecked);

chkboxIsChecked = false;

CheckBox chkCorpLegal = (CheckBox)row.FindControl("chkCorpLegal");

if ((chkCorpLegal != null) && (chkCorpLegal.Checked == true))

{

chkboxIsChecked = true;

}

RoleSaving(Convert.ToInt64(pUserID), Convert.ToInt64(pPlantID), Convert.ToInt64(pDeptID), getRole("chkCorpLegal"), chkboxIsChecked);

chkboxIsChecked = false;

CheckBox chkVPHR = (CheckBox)row.FindControl("chkVPHR");

if ((chkVPHR != null) && (chkVPHR.Checked == true))

{

chkboxIsChecked = true;

}

RoleSaving(Convert.ToInt64(pUserID), Convert.ToInt64(pPlantID), Convert.ToInt64(pDeptID), getRole("chkVPHR"), chkboxIsChecked);

chkboxIsChecked = false;

CheckBox chkEVPSales = (CheckBox)row.FindControl("chkEVPSales");

if ((chkEVPSales != null) && (chkEVPSales.Checked == true))

{

chkboxIsChecked = true;

}

RoleSaving(Convert.ToInt64(pUserID), Convert.ToInt64(pPlantID), Convert.ToInt64(pDeptID), getRole("chkEVPSales"), chkboxIsChecked);

chkboxIsChecked = false;

CheckBox chkCFO = (CheckBox)row.FindControl("chkCFO");

if ((chkCFO != null) && (chkCFO.Checked == true))

{

chkboxIsChecked = true;

}

RoleSaving(Convert.ToInt64(pUserID), Convert.ToInt64(pPlantID), Convert.ToInt64(pDeptID), getRole("chkCFO"), chkboxIsChecked);

chkboxIsChecked = false;

CheckBox chkPres = (CheckBox)row.FindControl("chkPres");

if ((chkPres != null) && (chkPres.Checked == true))

{

chkboxIsChecked = true;

}

RoleSaving(Convert.ToInt64(pUserID), Convert.ToInt64(pPlantID), Convert.ToInt64(pDeptID), getRole("chkPres"), chkboxIsChecked);

chkboxIsChecked = false;

CheckBox chkCEO = (CheckBox)row.FindControl("chkCEO");

if ((chkCEO != null) && (chkCEO.Checked == true))

{

chkboxIsChecked = true;

}

RoleSaving(Convert.ToInt64(pUserID), Convert.ToInt64(pPlantID), Convert.ToInt64(pDeptID), getRole("chkCEO"), chkboxIsChecked);

}

successTitle.InnerText = "User Registration";

pSuccessMessage1.InnerText = "User successfully registered!";

btnSuccessOk.Focus();

modpopSuccess.Show();

}

catch (Exception ex)

{

successTitle.InnerText = "User Registration";

pSuccessMessage1.InnerText = ex.Message;

btnSuccessOk.Focus();

modpopSuccess.Show();

}

finally

{ context.Dispose(); }

}

else

{

successTitle.InnerText = "User Registration";

pSuccessMessage1.InnerText = "Incomplete field!";

btnSuccessOk.Focus();

modpopSuccess.Show();

}

private Int64 getRole(string RoleStr)

{

Int64 roleid = 0;

switch (RoleStr)

{

//case "chkInitiator": roleid = 1; break;

case "chkDeptHead": roleid = 2; break;

case "chkSM": roleid = 3; break;

case "chkTMM": roleid = 4; break;

case "chkHRM": roleid = 5; break;

case "chkFM": roleid = 6; break;

case "chkFD": roleid = 7; break;

case "chkGM": roleid = 8; break;

case "chkSGM": roleid = 9; break;

case "chkFC": roleid = 10; break;

case "chkVPFHead": roleid = 11; break;

case "chkVPML": roleid = 12; break;

case "chkCorpLegal": roleid = 13; break;

case "chkVPHR": roleid = 14; break;

case "chkEVPSales": roleid = 15; break;

case "chkCFO": roleid = 16; break;

case "chkPres": roleid = 17; break;

case "chkCEO": roleid = 18; break;

default: roleid = 0; break;

}

return roleid;

}

private void RoleSaving(Int64 userid, Int64 plant, Int64 dept, Int64 role, bool isChecked)

{

CLMSDataContext context = new CLMSDataContext();

try

{

var roleRec = (from r in context.Dim_User_Roles

where r.User_PIdx == userid &&

r.Dept_PIdx == dept &&

r.Plant_PIdx == plant &&

r.Role_PIdx == role

select r).ToList();

if (roleRec.Count == 0)

{

try

{

if (isChecked == true)

{

Dim_User_Role uRol = new Dim_User_Role();

uRol.User_PIdx = userid;

uRol.Plant_PIdx = plant;

uRol.Dept_PIdx = dept;

uRol.Role_PIdx = role;

context.Dim_User_Roles.InsertOnSubmit(uRol);

context.SubmitChanges();

}

catch (Exception e)

{

context.Transaction.Rollback();

Response.Write(e.Message);

}

catch (Exception e)

{ Response.Write(e.Message); return; }

finally

{

context.Dispose();

}