how to find datakeys in oncheckedchanged event ?
- by subodh
<asp:Panel ID="pnlFocusAreaPanel" runat="server" GroupingText="Focus Area" Width="800">
<table cellspacing="0" cellpadding="0" width="750">
<tr>
<td>
<asp:GridView ID="dgFocusAreaDetails" runat="server" Width="100%" CssClass="dgStyle"
AutoGenerateColumns="False" BorderColor="Silver" BorderWidth="1px" CellPadding="0"
ShowHeader="False" OnSelectedIndexChanged="dgFocusAreaDetails_SelectedIndexChanged"
DataKeyNames="PK_ID">
<FooterStyle Font-Underline="True" HorizontalAlign="Center" VerticalAlign="Middle">
</FooterStyle>
<Columns>
<asp:TemplateField HeaderText="Focus Area" HeaderStyle-BackColor="Silver">
<ItemStyle Width="90%" />
<ItemTemplate>
<asp:Label runat="server" ID="lblFocusArea" Text='<%# DataBinder.Eval(Container.DataItem, "FOCUS_AREA_NAME").ToString()%>'>
</asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Is Current Valid" HeaderStyle-BackColor="Silver">
<ItemStyle Width="10%" HorizontalAlign="Center" />
<ItemTemplate>
<asp:CheckBox ID="chkFocusArea" runat="server" OnCheckedChanged="OnCheckChangedEvent"
AutoPostBack="true" />
</ItemTemplate>
</asp:TemplateField>
</Columns>
</asp:GridView>
</td>
</tr>
<tr>
<td align="left">
<asp:TextBox ID="txtFocusArea" runat="server" Width="300px" CausesValidation="true" CssClass="txtStyle" ValidationGroup="focusArea">
</asp:TextBox>
<cc1:TextBoxWatermarkExtender ID="txtFocusAreaWaterMark" runat="server" TargetControlID="txtFocusArea"
WatermarkText="Add Focus Area" WatermarkCssClass="WaterMarkStyle">
</cc1:TextBoxWatermarkExtender>
<asp:Button ID="btnAddFocusArea" runat="server" Text="AddFocusArea" CssClass="btnStyle"
OnClick="btnAddFocusArea_Click" CausesValidation="true" ValidationGroup="focusArea" />
<asp:RequiredFieldValidator ID="reqtxtFocusArea" runat="server" ControlToValidate="txtFocusArea"
ErrorMessage="Please enter focus area" Display="Dynamic" ValidationGroup="focusArea">
</asp:RequiredFieldValidator>
<asp:RegularExpressionValidator ID="regexFocusArea" runat="server" ErrorMessage="Invalid characters(<,>,#)"
ControlToValidate="txtFocusArea" ValidationExpression="^([^<#>]*)$" ValidationGroup="focusArea"
Display="Dynamic" SetFocusOnError="true">
</asp:RegularExpressionValidator>
</td>
</tr>
</table>
</asp:Panel>
and in code behind
protected void btnAddFocusArea_Click(object sender, EventArgs e)
{
string strFocusArea = txtFocusArea.Text;
OleDbConnection myConnection = new OleDbConnection(ConfigurationSettings.AppSettings["SQLConnectionString"]);
if (strFocusArea == string.Empty || strFocusArea == txtFocusAreaWaterMark.WatermarkText)
{
lblError.Text = "Focus area is not entered";
}
else
{
string insertQuery = "INSERT INTO LK_CODECAT_FOCUS_AREA(FOCUS_AREA_NAME,FK_ADDED_BY,ADDED_ON) "+
" VALUES('" + strFocusArea + "', "+Session["UserID"] +", GETDATE())";
try
{
myConnection.Open();
OleDbCommand myCommandToInsert = new OleDbCommand(insertQuery, myConnection);
myCommandToInsert.ExecuteNonQuery();
}
catch(Exception exc)
{
ExceptionLogger.LogException(exc);
}
finally
{
if (myConnection != null)
{
myConnection.Close();
}
}
PopulateFocusArea();
}
txtFocusArea.Text = txtFocusAreaWaterMark.WatermarkText;
}
private void PopulateFocusArea()
{
OleDbConnection myConnection = new OleDbConnection(ConfigurationSettings.AppSettings["SQLConnectionString"]);
string selectQuery = "SELECT PK_ID, FOCUS_AREA_NAME, IS_CURRENT_FOCUS FROM LK_CODECAT_FOCUS_AREA LKCFA ORDER BY FOCUS_AREA_NAME";
if (Session["RoleID"].ToString() == "1" || ((Session["WorkID"].ToString() != "9") ||
(Session["WorkID2"].ToString() != "9") ||
(Session["WorkID3"].ToString() != "9")))
{
try
{
myConnection.Open();
OleDbCommand myCommandFocusArea = new OleDbCommand(selectQuery, myConnection);
OleDbDataAdapter myAdapter = new OleDbDataAdapter(myCommandFocusArea);
DataSet ds = new DataSet();
myAdapter.Fill(ds);
dgFocusAreaDetails.DataSource = ds;
dgFocusAreaDetails.ShowHeader = true;
dgFocusAreaDetails.DataBind();
}
catch (Exception exc)
{
ExceptionLogger.LogException(exc);
}
finally
{
if (myConnection != null)
{
myConnection.Close();
}
}
}
}
protected void dgFocusAreaDetails_SelectedIndexChanged(object sender, EventArgs e)
{
string selectedCategory = dgFocusAreaDetails.SelectedRow.Cells[1].Text;
int index = dgFocusAreaDetails.SelectedIndex;
lblError.Text = dgFocusAreaDetails.DataKeys[index].Value.ToString();
}
public void OnCheckChangedEvent(object sender, EventArgs e)
{
CheckBox chk = (CheckBox)sender;
string chkfocusarea = ((Control)chk).ID;
//string focusAreaDetails = dgFocusAreaDetails.SelectedRow.Cells[0].Text;
int index =Convert.ToInt32(dgFocusAreaDetails.SelectedIndex);
if (chk.Checked)
{
string updateQuery = "UPDATE [LK_CODECAT_FOCUS_AREA] SET [IS_CURRENT_FOCUS] = 1 WHERE PK_ID = "
+Convert.ToInt32( dgFocusAreaDetails.DataKeys[index].Value)+" ";
}
else
{
lblError.Text = "unchecked";
}
}
i want to know how i find the datakeyvalue on checked event.
