ajay s

NA
1
1.2k

asp.net

Jul 25 2014 7:03 AM

In asp.net iam using gridview for attendance purpose .in this iam using checkbox and radiobutton in one item template(one cell) but i have control for only radio button . when i click add new row button checkbox it became unchecked . this is bcoz it takes only one field for a column .

aspx.page

<asp:GridView ID="GridView1" runat="server" ShowFooter="True" AutoGenerateColumns="False"

style="position:absolute; top: 136px; left: 20px; width: 488px; margin-bottom: 0px; height: 421px;" onrowdatabound="GridView1_RowDataBound"

<asp:BoundField DataField="RowNumber" HeaderText="Row Number" />

<asp:TemplateField HeaderText = "Employee_id" SortExpression = "Employee_id">

<asp:DropDownList ID="DropDownList1" runat="server" AutoPostBack="true" Height="18px" Width="120px" OnSelectedIndexChanged="DropDownList1_SelectedIndexChanged" >

</asp:DropDownList>

</ItemTemplate>

</asp:TemplateField>

<asp:TemplateField HeaderText = "Name" SortExpression = "Name" >

<asp:DropDownList ID="DropDownList2" runat="server" Height="18px" Width="120px" >

</asp:DropDownList>

</ItemTemplate>

</asp:TemplateField>

<asp:TemplateField HeaderText="Grade" SortExpression ="Grade">

<asp:DropDownList ID="ddgrade" runat="server" Height="18px" Width="120px" >

</asp:DropDownList>

</ItemTemplate>

</asp:TemplateField>

<asp:TemplateField HeaderText="1" >

<asp:CheckBox ID="cb1" runat="server" />

<asp:RadioButton ID="Rb1" runat="server" />

</ItemTemplate>

</asp:TemplateField>

<asp:TemplateField HeaderText="2" >

<asp:CheckBox ID="cb2" runat="server" />

<asp:RadioButton ID="Rb2" runat="server" />

</ItemTemplate>

</asp:TemplateField>

<asp:TemplateField HeaderText="3" >

<asp:CheckBox ID="cb3" runat="server" />

<asp:RadioButton ID="Rb3" runat="server" />

</ItemTemplate>

</asp:TemplateField>

<asp:TemplateField HeaderText="4" >

<asp:CheckBox ID="cb4" runat="server" />

<asp:RadioButton ID="Rb4" runat="server" />

</ItemTemplate>

</asp:TemplateField>

<asp:TemplateField HeaderText="5" SortExpression="5">

<asp:CheckBox ID="cb5" runat="server" />

<asp:RadioButton ID="Rb5" runat="server" />

</ItemTemplate>

</asp:TemplateField>

<asp:TemplateField HeaderText="6" SortExpression="6" >

<asp:CheckBox ID="cb6" runat="server" />

<asp:RadioButton ID="Rb6" runat="server" />

</ItemTemplate>

</asp:TemplateField>

<asp:TemplateField HeaderText="7" SortExpression="7" >

<asp:CheckBox ID="cb7" runat="server" />

<asp:RadioButton ID="Rb7" runat="server" />

</ItemTemplate>

</asp:TemplateField>

<asp:TemplateField HeaderText="8" SortExpression="8" >

<asp:CheckBox ID="cb8" runat="server" />

<asp:RadioButton ID="Rb8" runat="server" />

</ItemTemplate>

</asp:TemplateField>

<asp:TemplateField HeaderText="9" SortExpression="9" >

<asp:CheckBox ID="cb9" runat="server" />

<asp:RadioButton ID="Rb9" runat="server" />

</ItemTemplate>

</asp:TemplateField>

<asp:TemplateField HeaderText="10" SortExpression="10">

<asp:CheckBox ID="cb10" runat="server" />

<asp:RadioButton ID="Rb10" runat="server" />

</ItemTemplate>

</asp:TemplateField>

<asp:TemplateField HeaderText="11" SortExpression="11" >

<asp:CheckBox ID="cb11" runat="server" />

<asp:RadioButton ID="Rb11" runat="server" />

</ItemTemplate>

</asp:TemplateField>

<asp:TemplateField HeaderText="12" SortExpression="12" >

<asp:CheckBox ID="cb12" runat="server" />

<asp:RadioButton ID="Rb12" runat="server" />

</ItemTemplate>

</asp:TemplateField>

<asp:TemplateField HeaderText="13" SortExpression="13">

<asp:CheckBox ID="cb13" runat="server" />

<asp:RadioButton ID="Rb13" runat="server" />

</ItemTemplate>

</asp:TemplateField>

<asp:TemplateField HeaderText="14" SortExpression="14" >

<asp:CheckBox ID="cb14" runat="server" />

<asp:RadioButton ID="Rb14" runat="server" />

</ItemTemplate>

</asp:TemplateField>

<asp:TemplateField HeaderText="15" SortExpression="15">

<asp:CheckBox ID="cb15" runat="server" />

<asp:RadioButton ID="Rb15" runat="server" />

</ItemTemplate>

</asp:TemplateField>

<asp:TemplateField HeaderText="16" SortExpression="1" >

<asp:CheckBox ID="cb16" runat="server" />

<asp:RadioButton ID="Rb16" runat="server" />

</ItemTemplate>

</asp:TemplateField>

<asp:TemplateField HeaderText="17" SortExpression="2" >

<asp:CheckBox ID="cb17" runat="server" />

<asp:RadioButton ID="Rb17" runat="server" />

</ItemTemplate>

</asp:TemplateField>

<asp:TemplateField HeaderText="18" SortExpression="3">

<asp:CheckBox ID="cb18" runat="server" />

<asp:RadioButton ID="Rb18" runat="server" />

</ItemTemplate>

</asp:TemplateField>

<asp:TemplateField HeaderText="19" SortExpression="4" >

<asp:CheckBox ID="cb19" runat="server" />

<asp:RadioButton ID="Rb19" runat="server" />

</ItemTemplate>

</asp:TemplateField>

<asp:TemplateField HeaderText="20" SortExpression="5">

<asp:CheckBox ID="cb20" runat="server" />

<asp:RadioButton ID="Rb20" runat="server" />

</ItemTemplate>

</asp:TemplateField>

<asp:TemplateField HeaderText="21" SortExpression="6" >

<asp:CheckBox ID="cb21" runat="server" />

<asp:RadioButton ID="Rb21" runat="server" />

</ItemTemplate>

</asp:TemplateField>

<asp:TemplateField HeaderText="22" SortExpression="7" >

<asp:CheckBox ID="cb22" runat="server" />

<asp:RadioButton ID="Rb22" runat="server" />

</ItemTemplate>

</asp:TemplateField>

<asp:TemplateField HeaderText="23" SortExpression="8" >

<asp:CheckBox ID="cb23" runat="server" />

<asp:RadioButton ID="Rb23" runat="server" />

</ItemTemplate>

</asp:TemplateField>

<asp:TemplateField HeaderText="24" SortExpression="9" >

<asp:CheckBox ID="cb24" runat="server" />

<asp:RadioButton ID="Rb24" runat="server" />

</ItemTemplate>

</asp:TemplateField>

<asp:TemplateField HeaderText="25" SortExpression="10" >

<asp:CheckBox ID="cb25" runat="server" />

<asp:RadioButton ID="Rb25" runat="server" />

</ItemTemplate>

</asp:TemplateField>

<asp:TemplateField HeaderText="26" SortExpression="11" >

<asp:CheckBox ID="cb26" runat="server" />

<asp:RadioButton ID="Rb26" runat="server" />

</ItemTemplate>

</asp:TemplateField>

<asp:TemplateField HeaderText="27" SortExpression="12">

<asp:CheckBox ID="cb27" runat="server" />

<asp:RadioButton ID="Rb27" runat="server" />

</ItemTemplate>

</asp:TemplateField>

<asp:TemplateField HeaderText="28" SortExpression="13" >

<asp:CheckBox ID="cb28" runat="server" />

<asp:RadioButton ID="Rb28" runat="server" />

</ItemTemplate>

</asp:TemplateField>

<asp:TemplateField HeaderText="29" SortExpression="14" >

<asp:CheckBox ID="cb29" runat="server"/>

<asp:RadioButton ID="Rb29" runat="server" />

</ItemTemplate>

</asp:TemplateField>

<asp:TemplateField HeaderText="30" SortExpression="15">

<asp:CheckBox ID="cb30" runat="server" />

<asp:RadioButton ID="Rb30" runat="server" />

</ItemTemplate>

</asp:TemplateField>

<asp:TemplateField HeaderText="31" SortExpression="15" >

<asp:CheckBox ID="cb31" runat="server" />

<asp:RadioButton ID="Rb31" runat="server" />

</ItemTemplate>

</asp:TemplateField>

<asp:TemplateField HeaderText="NoOfDays" SortExpression="NoOfDays">

<asp:TextBox ID="txtnoofdays" runat="server"></asp:TextBox>

<asp:TextBox ID="txttot" runat="server"></asp:TextBox>

<asp:TextBox ID="txttotal" runat="server"></asp:TextBox>

</ItemTemplate>

<asp:Button ID="ButtonAdd" runat="server"

Text="Add New Row"

onclick="ButtonAdd_Click" />

</FooterTemplate>

</asp:TemplateField>

</Columns>

</asp:GridView>

default.aspx.cs

private void select()

{

foreach (GridViewRow GRV in GridView1.Rows)

{

DropDownList ddl1 = (DropDownList)GRV.Cells[0].FindControl("DropDownList1");

DropDownList ddl2 = (DropDownList)GRV.Cells[0].FindControl("DropDownList2");

DropDownList dgra = (DropDownList)GRV.Cells[0].FindControl("ddgrade");

con.Open();

SqlCommand cmd = new SqlCommand(" select Employee_id from employee", con);

SqlDataAdapter da = new SqlDataAdapter(cmd);

DataSet ds = new DataSet();

DataTable dt = new DataTable();

da.Fill(ds);

ddl1.DataSource = ds;

ddl1.DataValueField = "Employee_id";

ddl1.DataTextField = "Employee_id";

ddl1.DataBind();

ddl1.Items.Insert(0, new ListItem("Please Select", "Emp_id"));

cmd.ExecuteNonQuery();

con.Close();

con.Open();

SqlDataReader dr;

SqlCommand cmd3 = new SqlCommand("select Distinct grade_SO,grade_Aso,grade_G,grade_LG,grade_FG,grade_other1,Grade_other2 from client_info", con);

dr = cmd3.ExecuteReader();

if (dr.HasRows)

{

while (dr.Read())

{

dgra.Items.Add(new ListItem(dr[0].ToString()));

dgra.Items.Add(new ListItem(dr[1].ToString()));

dgra.Items.Add(new ListItem(dr[2].ToString()));

dgra.Items.Add(new ListItem(dr[3].ToString()));

dgra.Items.Add(new ListItem(dr[4].ToString()));

dgra.Items.Add(new ListItem(dr[5].ToString()));

dgra.Items.Add(new ListItem(dr[6].ToString()));

dgra.Items.Insert(0, new ListItem("Please Select", "grade"));

}

dr.Close();

con.Close();

con.Open();

SqlCommand cmd1 = new SqlCommand(" select Name from employee", con);

SqlDataAdapter da1 = new SqlDataAdapter(cmd1);

DataSet ds1 = new DataSet();

DataTable dt1 = new DataTable();

da1.Fill(ds1);

ddl2.DataSource = ds1;

ddl2.DataValueField = "Name";

ddl2.DataTextField = "Name";

ddl2.DataBind();

ddl2.Items.Insert(0, new ListItem("Please Select", "Name"));

cmd1.ExecuteNonQuery();

con.Close();

}

private void SetInitialRow()

{

DataTable dt = new DataTable();

DataRow dr = null;

dt.Columns.Add(new DataColumn("RowNumber", typeof(string)));

dt.Columns.Add(new DataColumn("Column1", typeof(string)));

dt.Columns.Add(new DataColumn("Column2", typeof(string)));

dt.Columns.Add(new DataColumn("Column3", typeof(string)));

dt.Columns.Add(new DataColumn("Column4", typeof(string)));

dt.Columns.Add(new DataColumn("Column5", typeof(string)));

dt.Columns.Add(new DataColumn("Column6", typeof(string)));

dt.Columns.Add(new DataColumn("Column7", typeof(string)));

dt.Columns.Add(new DataColumn("Column8", typeof(string)));

dt.Columns.Add(new DataColumn("Column9", typeof(string)));

dt.Columns.Add(new DataColumn("Column10", typeof(string)));

dt.Columns.Add(new DataColumn("Column11", typeof(string)));

dt.Columns.Add(new DataColumn("Column12", typeof(string)));

dt.Columns.Add(new DataColumn("Column13", typeof(string)));

dt.Columns.Add(new DataColumn("Column14", typeof(string)));

dt.Columns.Add(new DataColumn("Column15", typeof(string)));

dt.Columns.Add(new DataColumn("Column16", typeof(string)));

dt.Columns.Add(new DataColumn("Column17", typeof(string)));

dt.Columns.Add(new DataColumn("Column18", typeof(string)));

dt.Columns.Add(new DataColumn("Column19", typeof(string)));

dt.Columns.Add(new DataColumn("Column20", typeof(string)));

dt.Columns.Add(new DataColumn("Column21", typeof(string)));

dt.Columns.Add(new DataColumn("Column22", typeof(string)));

dt.Columns.Add(new DataColumn("Column23", typeof(string)));

dt.Columns.Add(new DataColumn("Column24", typeof(string)));

dt.Columns.Add(new DataColumn("Column25", typeof(string)));

dt.Columns.Add(new DataColumn("Column26", typeof(string)));

dt.Columns.Add(new DataColumn("Column27", typeof(string)));

dt.Columns.Add(new DataColumn("Column28", typeof(string)));

dt.Columns.Add(new DataColumn("Column29", typeof(string)));

dt.Columns.Add(new DataColumn("Column30", typeof(string)));

dt.Columns.Add(new DataColumn("Column31", typeof(string)));

dt.Columns.Add(new DataColumn("Column32", typeof(string)));

dt.Columns.Add(new DataColumn("Column33", typeof(string)));

dt.Columns.Add(new DataColumn("Column34", typeof(string)));

dt.Columns.Add(new DataColumn("Column35", typeof(string)));

dr = dt.NewRow();

dr["RowNumber"] = 1;

dr["Column1"] = string.Empty;

dr["Column2"] = string.Empty;

dt.Rows.Add(dr);

//Store the DataTable in ViewState for future reference

ViewState["CurrentTable"] = dt;

//Bind the Gridview

GridView1.DataSource = dt;

GridView1.DataBind();

//After binding the gridview, we can then extract and fill the DropDownList with Data

DropDownList ddl1 = (DropDownList)GridView1.Rows[0].Cells[1].FindControl("DropDownList1");

DropDownList ddl2 = (DropDownList)GridView1.Rows[0].Cells[2].FindControl("DropDownList2");

DropDownList dgra = (DropDownList)GridView1.Rows[0].Cells[2].FindControl("ddgrade");

// dd();

}

private void AddNewRowToGrid()

{

if (ViewState["CurrentTable"] != null)

{

DataTable dtCurrentTable = (DataTable)ViewState["CurrentTable"];

DataRow drCurrentRow = null;

if (dtCurrentTable.Rows.Count > 0)

{

drCurrentRow = dtCurrentTable.NewRow();

drCurrentRow["RowNumber"] = dtCurrentTable.Rows.Count + 1;

//add new row to DataTable

dtCurrentTable.Rows.Add(drCurrentRow);

//Store the current data to ViewState for future reference

ViewState["CurrentTable"] = dtCurrentTable;

// dd();

for (int i = 0; i < dtCurrentTable.Rows.Count - 1; i++)

{

DropDownList ddl1 = (DropDownList)GridView1.Rows[i].Cells[1].FindControl("DropDownList1");

DropDownList ddl2 = (DropDownList)GridView1.Rows[i].Cells[2].FindControl("DropDownList2");

DropDownList ddl3 = (DropDownList)GridView1.Rows[i].Cells[3].FindControl("ddgrade");

// Update the DataRow with the DDL Selected Items

dtCurrentTable.Rows[i]["Column1"] = ddl1.SelectedItem.Text;

dtCurrentTable.Rows[i]["Column2"] = ddl2.SelectedItem.Text;

dtCurrentTable.Rows[i]["Column3"] = ddl3.SelectedItem.Text;

//extract the TextBox values

TextBox box1 = (TextBox)GridView1.Rows[i].Cells[35].FindControl("txtnoofdays");

TextBox box2 = (TextBox)GridView1.Rows[i].Cells[35].FindControl("txttot");

TextBox box3 = (TextBox)GridView1.Rows[i].Cells[35].FindControl("txttotal");

dtCurrentTable.Rows[i]["Column35"] = box1.Text;

dtCurrentTable.Rows[i]["Column35"] = box2.Text;

dtCurrentTable.Rows[i]["Column35"] = box3.Text;

//// dtCurrentTable.Rows[i]["Column3"] = ddl3.SelectedItem.Text;

//extract the checkbox

CheckBox c = (CheckBox)GridView1.Rows[i].Cells[4].FindControl("cb1");

RadioButton r = (RadioButton)GridView1.Rows[i].Cells[4].FindControl("Rb1");

dtCurrentTable.Rows[i]["Column4"] = c.Checked;

dtCurrentTable.Rows[i]["Column4"] = r.Checked;

CheckBox c1 = (CheckBox)GridView1.Rows[i].Cells[5].FindControl("cb2");

RadioButton r1 = (RadioButton)GridView1.Rows[i].Cells[5].FindControl("Rb2");

dtCurrentTable.Rows[i]["Column5"] = c1.Checked;

dtCurrentTable.Rows[i]["Column5"] = r1.Checked;

CheckBox c2 = (CheckBox)GridView1.Rows[i].Cells[6].FindControl("cb3");

RadioButton r2 = (RadioButton)GridView1.Rows[i].Cells[6].FindControl("Rb3");

dtCurrentTable.Rows[i]["Column6"] = c2.Checked;

dtCurrentTable.Rows[i]["Column6"] = r2.Checked;

CheckBox c3 = (CheckBox)GridView1.Rows[i].Cells[7].FindControl("cb4");

RadioButton r3 = (RadioButton)GridView1.Rows[i].Cells[7].FindControl("Rb4");

dtCurrentTable.Rows[i]["Column7"] = c3.Checked;

dtCurrentTable.Rows[i]["Column7"] = r3.Checked;

CheckBox c4 = (CheckBox)GridView1.Rows[i].Cells[8].FindControl("cb5");

RadioButton r4 = (RadioButton)GridView1.Rows[i].Cells[8].FindControl("Rb5");

dtCurrentTable.Rows[i]["Column8"] = c4.Checked;

dtCurrentTable.Rows[i]["Column8"] = r4.Checked;

CheckBox c5 = (CheckBox)GridView1.Rows[i].Cells[9].FindControl("cb6");

RadioButton r5 = (RadioButton)GridView1.Rows[i].Cells[9].FindControl("Rb6");

dtCurrentTable.Rows[i]["Column9"] = c5.Checked;

dtCurrentTable.Rows[i]["Column9"] = r5.Checked;

CheckBox c6 = (CheckBox)GridView1.Rows[i].Cells[10].FindControl("cb7");

RadioButton r6 = (RadioButton)GridView1.Rows[i].Cells[10].FindControl("Rb7");

dtCurrentTable.Rows[i]["Column10"] = c6.Checked;

dtCurrentTable.Rows[i]["Column10"] = r6.Checked;

CheckBox c7 = (CheckBox)GridView1.Rows[i].Cells[11].FindControl("cb8");

RadioButton r7 = (RadioButton)GridView1.Rows[i].Cells[11].FindControl("Rb8");

dtCurrentTable.Rows[i]["Column11"] = c7.Checked;

dtCurrentTable.Rows[i]["Column11"] = r7.Checked;

CheckBox c8 = (CheckBox)GridView1.Rows[i].Cells[12].FindControl("cb9");

RadioButton r8 = (RadioButton)GridView1.Rows[i].Cells[12].FindControl("Rb9");

dtCurrentTable.Rows[i]["Column12"] = c8.Checked;

dtCurrentTable.Rows[i]["Column12"] = r8.Checked;

CheckBox c9 = (CheckBox)GridView1.Rows[i].Cells[13].FindControl("cb10");

RadioButton r9 = (RadioButton)GridView1.Rows[i].Cells[13].FindControl("Rb10");

dtCurrentTable.Rows[i]["Column13"] = c9.Checked;

dtCurrentTable.Rows[i]["Column13"] = r9.Checked;

CheckBox c10 = (CheckBox)GridView1.Rows[i].Cells[14].FindControl("cb11");

RadioButton r10 = (RadioButton)GridView1.Rows[i].Cells[14].FindControl("Rb11");

dtCurrentTable.Rows[i]["Column14"] = c10.Checked;

dtCurrentTable.Rows[i]["Column14"] = r10.Checked;

CheckBox c11 = (CheckBox)GridView1.Rows[i].Cells[15].FindControl("cb12");

RadioButton r11 = (RadioButton)GridView1.Rows[i].Cells[15].FindControl("Rb12");

dtCurrentTable.Rows[i]["Column15"] = c11.Checked;

dtCurrentTable.Rows[i]["Column15"] = r11.Checked;

CheckBox c12 = (CheckBox)GridView1.Rows[i].Cells[16].FindControl("cb13");

RadioButton r12 = (RadioButton)GridView1.Rows[i].Cells[16].FindControl("Rb13");

dtCurrentTable.Rows[i]["Column16"] = c12.Checked;

dtCurrentTable.Rows[i]["Column16"] = r12.Checked;

CheckBox c13 = (CheckBox)GridView1.Rows[i].Cells[17].FindControl("cb14");

RadioButton r13 = (RadioButton)GridView1.Rows[i].Cells[17].FindControl("Rb14");

dtCurrentTable.Rows[i]["Column17"] = c13.Checked;

dtCurrentTable.Rows[i]["Column17"] = r13.Checked;

CheckBox c14 = (CheckBox)GridView1.Rows[i].Cells[18].FindControl("cb15");

RadioButton r14 = (RadioButton)GridView1.Rows[i].Cells[18].FindControl("Rb15");

dtCurrentTable.Rows[i]["Column18"] = c14.Checked;

dtCurrentTable.Rows[i]["Column18"] = r14.Checked;

CheckBox c15 = (CheckBox)GridView1.Rows[i].Cells[19].FindControl("cb16");

RadioButton r15 = (RadioButton)GridView1.Rows[i].Cells[19].FindControl("Rb16");

dtCurrentTable.Rows[i]["Column19"] = c15.Checked;

dtCurrentTable.Rows[i]["Column19"] = r15.Checked;

CheckBox c16 = (CheckBox)GridView1.Rows[i].Cells[20].FindControl("cb17");

RadioButton r16 = (RadioButton)GridView1.Rows[i].Cells[20].FindControl("Rb17");

dtCurrentTable.Rows[i]["Column20"] = c16.Checked;

dtCurrentTable.Rows[i]["Column20"] = r16.Checked;

CheckBox c17 = (CheckBox)GridView1.Rows[i].Cells[21].FindControl("cb18");

RadioButton r17 = (RadioButton)GridView1.Rows[i].Cells[21].FindControl("Rb18");

dtCurrentTable.Rows[i]["Column21"] = c17.Checked;

dtCurrentTable.Rows[i]["Column21"] = r17.Checked;

CheckBox c18 = (CheckBox)GridView1.Rows[i].Cells[22].FindControl("cb19");

RadioButton r18 = (RadioButton)GridView1.Rows[i].Cells[22].FindControl("Rb19");

dtCurrentTable.Rows[i]["Column22"] = c18.Checked;

dtCurrentTable.Rows[i]["Column22"] = r18.Checked;

CheckBox c19 = (CheckBox)GridView1.Rows[i].Cells[23].FindControl("cb20");

RadioButton r19 = (RadioButton)GridView1.Rows[i].Cells[23].FindControl("Rb20");

dtCurrentTable.Rows[i]["Column23"] = c19.Checked;

dtCurrentTable.Rows[i]["Column23"] = r19.Checked;

CheckBox c20 = (CheckBox)GridView1.Rows[i].Cells[24].FindControl("cb21");

RadioButton r20 = (RadioButton)GridView1.Rows[i].Cells[24].FindControl("Rb21");

dtCurrentTable.Rows[i]["Column24"] = c20.Checked;

dtCurrentTable.Rows[i]["Column24"] = r20.Checked;

CheckBox c21 = (CheckBox)GridView1.Rows[i].Cells[25].FindControl("cb22");

RadioButton r21 = (RadioButton)GridView1.Rows[i].Cells[25].FindControl("Rb22");

dtCurrentTable.Rows[i]["Column25"] = c21.Checked;

dtCurrentTable.Rows[i]["Column25"] = r21.Checked;

CheckBox c22 = (CheckBox)GridView1.Rows[i].Cells[26].FindControl("cb23");

RadioButton r22 = (RadioButton)GridView1.Rows[i].Cells[26].FindControl("Rb23");

dtCurrentTable.Rows[i]["Column26"] = c22.Checked;

dtCurrentTable.Rows[i]["Column26"] = r22.Checked;

CheckBox c23 = (CheckBox)GridView1.Rows[i].Cells[27].FindControl("cb24");

RadioButton r23 = (RadioButton)GridView1.Rows[i].Cells[27].FindControl("Rb24");

dtCurrentTable.Rows[i]["Column27"] = c23.Checked;

dtCurrentTable.Rows[i]["Column27"] = r23.Checked;

CheckBox c24 = (CheckBox)GridView1.Rows[i].Cells[28].FindControl("cb25");

RadioButton r24 = (RadioButton)GridView1.Rows[i].Cells[28].FindControl("Rb25");

dtCurrentTable.Rows[i]["Column28"] = c24.Checked;

dtCurrentTable.Rows[i]["Column28"] = r24.Checked;

CheckBox c25 = (CheckBox)GridView1.Rows[i].Cells[29].FindControl("cb26");

RadioButton r25 = (RadioButton)GridView1.Rows[i].Cells[29].FindControl("Rb26");

dtCurrentTable.Rows[i]["Column29"] = c25.Checked;

dtCurrentTable.Rows[i]["Column29"] = r25.Checked;

CheckBox c26 = (CheckBox)GridView1.Rows[i].Cells[30].FindControl("cb27");

RadioButton r26 = (RadioButton)GridView1.Rows[i].Cells[30].FindControl("Rb27");

dtCurrentTable.Rows[i]["Column30"] = c26.Checked;

dtCurrentTable.Rows[i]["Column30"] = r26.Checked;

CheckBox c27 = (CheckBox)GridView1.Rows[i].Cells[31].FindControl("cb28");

RadioButton r27 = (RadioButton)GridView1.Rows[i].Cells[31].FindControl("Rb28");

dtCurrentTable.Rows[i]["Column31"] = c27.Checked;

dtCurrentTable.Rows[i]["Column31"] = r27.Checked;

CheckBox c28 = (CheckBox)GridView1.Rows[i].Cells[32].FindControl("cb29");

RadioButton r28 = (RadioButton)GridView1.Rows[i].Cells[32].FindControl("Rb29");

dtCurrentTable.Rows[i]["Column32"] = c28.Checked;

dtCurrentTable.Rows[i]["Column32"] = r28.Checked;

CheckBox c29 = (CheckBox)GridView1.Rows[i].Cells[33].FindControl("cb30");

RadioButton r29 = (RadioButton)GridView1.Rows[i].Cells[33].FindControl("Rb30");

dtCurrentTable.Rows[i]["Column33"] = c29.Checked;

dtCurrentTable.Rows[i]["Column33"] = r29.Checked;

CheckBox c30 = (CheckBox)GridView1.Rows[i].Cells[34].FindControl("cb31");

RadioButton r30 = (RadioButton)GridView1.Rows[i].Cells[34].FindControl("Rb31");

dtCurrentTable.Rows[i]["Column34"] = c30.Checked;

dtCurrentTable.Rows[i]["Column34"] = r30.Checked;

//extract the TextBox values

//extract the DropDownList Selected Items

}

//Rebind the Grid with the current data to reflect changes

GridView1.DataSource = dtCurrentTable;

GridView1.DataBind();

}

else

{

Response.Write("ViewState is null");

}

//Set Previous Data on Postbacks

SetPreviousData();

// dd();

}

private void SetPreviousData()

{

int rowIndex = 0;

if (ViewState["CurrentTable"] != null)

{

DataTable dt = (DataTable)ViewState["CurrentTable"];

if (dt.Rows.Count > 0)

{

select();

// dd();

for (int i = 0; i < dt.Rows.Count; i++)

{

TextBox box1 = (TextBox)GridView1.Rows[i].Cells[35].FindControl("txtnoofdays");

TextBox box2 = (TextBox)GridView1.Rows[i].Cells[35].FindControl("txttot");

TextBox box3 = (TextBox)GridView1.Rows[i].Cells[35].FindControl("txttotal");

DropDownList ddl1 = (DropDownList)GridView1.Rows[rowIndex].Cells[1].FindControl("DropDownList1");

DropDownList ddl2 = (DropDownList)GridView1.Rows[rowIndex].Cells[2].FindControl("DropDownList2");

DropDownList ddl3 = (DropDownList)GridView1.Rows[rowIndex].Cells[3].FindControl("ddgrade");