ASP.NET

<br />
<asp:gridview ID="Gridview1" runat="server" ShowFooter="true" <br />
        AutoGenerateColumns="false" onrowediting="Gridview1_RowEditing"><br />
<br />
            <Columns><br />
<br />
            <asp:BoundField DataField="RowNumber" HeaderText="Modality" /><br />
<br />
            <asp:TemplateField HeaderText="00:00-08:00"><br />
<br />
            <ItemTemplate><br />
<br />
            <asp:TextBox ID="TextBox1" runat="server"></asp:TextBox><br />
<br />
            </ItemTemplate><br />
<br />
            </asp:TemplateField><br />
<br />
            <asp:TemplateField HeaderText="08:00-20:00"><br />
<br />
            <ItemTemplate><br />
<br />
            <asp:TextBox ID="TextBox2" runat="server"></asp:TextBox><br />
<br />
            </ItemTemplate><br />
<br />
            </asp:TemplateField><br />
<br />
            <asp:TemplateField HeaderText="20:00-24:00"><br />
<br />
            <ItemTemplate><br />
<br />
            <asp:TextBox ID="TextBox3" runat="server"></asp:TextBox><br />
<br />
            </ItemTemplate><br />
<br />
           <%-- <FooterStyle HorizontalAlign="Right" />--%><br />
<br />
           <%-- <FooterTemplate><br />
<br />
            <asp:Button ID="ButtonAdd" runat="server" Text="Add New Row" OnClick ="ButtonAdd_Click" /><br />
<br />
            </FooterTemplate>--%><br />
            </asp:TemplateField><br />
            <br />
            </Columns><br />
<br />
<br />
</asp:gridview><br />
<br />
this function is initializing grid<br />
<br />
   private void SetInitialRow()<br />
    {<br />
        //get list of all modality.<br />
        ReportAction reporting = new ReportAction();<br />
        Int32 userId = Convert.ToInt32(Session["userId"].ToString());<br />
        MySqlDataReader reader = reporting.getModalityList(userId);<br />
        int numberofmodality = 0;<br />
        <br />
        while (reader.Read())<br />
        {<br />
            if (numberofmodality == 0)<br />
            {<br />
                DataTable dt = new DataTable();<br />
<br />
                DataRow dr = null;<br />
<br />
                dt.Columns.Add(new DataColumn("RowNumber", typeof(string)));<br />
<br />
                dt.Columns.Add(new DataColumn("Column1", typeof(string)));<br />
<br />
                dt.Columns.Add(new DataColumn("Column2", typeof(string)));<br />
<br />
                dt.Columns.Add(new DataColumn("Column3", typeof(string)));<br />
<br />
                dr = dt.NewRow();<br />
<br />
                dr["RowNumber"] = reader[1].ToString();<br />
<br />
                dr["Column1"] = string.Empty;<br />
<br />
                dr["Column2"] = string.Empty;<br />
<br />
                dr["Column3"] = string.Empty;<br />
<br />
                dt.Rows.Add(dr);<br />
<br />
                dr = dt.NewRow();<br />
<br />
                //Store the DataTable in ViewState<br />
<br />
                ViewState["CurrentTable"] = dt;<br />
<br />
                Gridview1.DataSource = dt;<br />
                Gridview1.DataBind();<br />
                numberofmodality++;<br />
            }<br />
            else<br />
            {<br />
                //AddNewRowToGrid(reader[1].ToString());<br />
            }<br />
<br />
        }<br />
<br />
    }<br />
<br />
<br />
This function is adding column<br />
<br />
   private void AddNewRowToGrid(string modality)<br />
    {<br />
<br />
        int rowIndex = 0;<br />
<br />
        if (ViewState["CurrentTable"] != null)<br />
        {<br />
<br />
            DataTable dtCurrentTable = (DataTable)ViewState["CurrentTable"];<br />
<br />
            DataRow drCurrentRow = null;<br />
<br />
            if (dtCurrentTable.Rows.Count > 0)<br />
            {<br />
<br />
                for (int i = 1; i <= dtCurrentTable.Rows.Count; i++)<br />
                {<br />
<br />
                    //extract the TextBox values<br />
                    TemplateField ckhColumn = new TemplateField();<br />
                    <br />
                    TextBox box1 = (TextBox)Gridview1.Rows[rowIndex].Cells[1].FindControl("TextBox1");<br />
<br />
                    TextBox box2 = (TextBox)Gridview1.Rows[rowIndex].Cells[2].FindControl("TextBox2");<br />
<br />
                    TextBox box3 = (TextBox)Gridview1.Rows[rowIndex].Cells[3].FindControl("TextBox3");<br />
<br />
                    drCurrentRow = dtCurrentTable.NewRow();<br />
<br />
                    drCurrentRow["RowNumber"] = modality;<br />
<br />
                    drCurrentRow["Column1"] = box1.Text;<br />
<br />
                    drCurrentRow["Column2"] = box2.Text;<br />
<br />
                    drCurrentRow["Column3"] = box3.Text;<br />
<br />
                    rowIndex++;<br />
<br />
                }<br />
<br />
                //add new row to DataTable<br />
<br />
                dtCurrentTable.Rows.Add(drCurrentRow);<br />
<br />
                //Store the current data to ViewState<br />
<br />
                ViewState["CurrentTable"] = dtCurrentTable;<br />
<br />
                //Rebind the Grid with the current data<br />
<br />
                Gridview1.DataSource = dtCurrentTable;<br />
<br />
                Gridview1.DataBind();<br />
<br />
            }<br />
<br />
        }<br />
<br />
        else<br />
        {<br />
<br />
            Response.Write("ViewState is null");<br />
<br />
        }<br />
<br />
        //Set Previous Data on Postbacks<br />
<br />
        //SetPreviousData();<br />
<br />
    }<br />
<br />

Karan_TN wrote:

1. Can we go with Sessions or Cookies? which is best one?

Karan_TN wrote:

2. If i set cookie expire time as 1 hour, then after 1 hour will it expire? OR every time when user using the application it will retain its time, so that when user didnt work for 1 hour it will get expire? which is right one.

Karan_TN wrote:

Also i want to capture the applications logout time of individual user. so when session expire, can i get those values (say, loginID;team name;department name etc...) and update in my database table?

Brij wrote:

for details in viewstate, have a lookBeginner's Guide To ASP.NET Cookies