I have two gridviews that are in within UpdatePanels each, which are dynamically filled with data and a checkbox column. Clicking on one checkox one of them (Checkbox AutoPostBack = true) , the checkbox column of the other disappears, How to I can handle the state of the gridview.
this is my code:
[code]....
I modified a GridView control to enable alphabetical paging, and in doing so had to bind the GridView manually in the code behind rather than using the ObjectDataSource I had used originally.
Now my "delete" command in the GridView isn't working. I get that I need to handle this in the code behind now that I'm no longer bound to the ObjectDataSource.
But I'm not sure how to do that in C# and am not finding any examples.
Here's my .aspx:
[Code]....
And the .cs:
[Code]....
i have a gridview which consists of two columns.
1. name
2. radiobutton
when ever i click the radio button, the correspondng name should be saved in a variable in code behild(c#)
the gridview code looks as below:
[code].....
how to handle click event of linkbutton in gridview in asp.net
View 2 Repliesalmost typical master-detail scenario except the 'detail' data I want to display below the gridview will be coming from both the table that is bound to the gridview (master) and a related table.
simplified example: tableMain with field1, field2, field3 bound to master gridview. I need to select a row from the master gridview and have a form display below with field4 and field5 from tableMain, as well as all fields of tableDetail where field1 of tableMain equals field1 of tableDetail.
Is this what a 'formview' control is for? or do I just arrange my own controls to accommodate the data? Would a formview work considering my source will be partially from both the main table and the detail table? This is one of the scenarios were I know I could come up with something using none of the databound controls (except the master gridview), but I want to use the controls provided when it makes sense to do so, and utilize their benefits etc...
I have problem with gridview sorting. I am using online example to sort a grid view. see the link [URL] but I always got an error "The gridview fired sorting event without handle" on this statement "helper.ApplyGroupSort();"
<table width="100%">
<tr>
<td colspan=3><asp:Label id="category_name" Runat="server"
ForeColor="#ff0000" Font-Bold=true /></td>
</tr>
<tr>
<td colspan="3" align="center" width="100%">
<asp:GridView ID="dg_drawings"
runat="server" AutoGenerateColumns="False" EnableViewState="False" CellPadding="5" CellSpacing="0" Width="90%"
>
<Columns>
<asp:BoundField DataField="Description"
SortExpression="Description" />
<asp:BoundField DataField="sub_description"
SortExpression="sub_description" />
<asp:BoundField DataField="drawing_id" InsertVisible="False"
ReadOnly="True"
SortExpression="drawing_id" />
<asp:BoundField DataField="DRAWING_DESCRIPTION"
SortExpression="DRAWING_DESCRIPTION" />
<asp:BoundField DataField="DWG_URL" SortExpression="DWG_URL" />
</Columns>
</asp:GridView>
</td>
</tr>
</table>
Here is my C# code
public partial class listDrawings : System.Web.UI.Page
{
admin _admin = new admin();
private GridViewHelper helper;
int categoryid = 0;
protected void Page_Load(object sender, EventArgs e)
{
if (Convert.ToString(Session["logged_in"]) == "1")
{
ph_header.Controls.Add(LoadControl("../controls/builder_header.ascx"));
}
else
{
ph_header.Controls.Add(LoadControl("../controls/header.ascx"));
}
/*if (Convert.ToString(Session["details_hit"]) != "1")
{
_admin.add_page_hit("Standard Details");
Session.Add("details_hit", "1");
}
*/
string categoryidStr = Request.QueryString["categoryid"];
string category = Request.QueryString["category"];
//int categoryid = 0;
if (categoryidStr != null)
{
categoryid = Convert.ToInt32(categoryidStr);
}
category_name.Visible = true;
category_name.Text = category + " Drawing Details";
get_category_drawings(categoryid);
}
protected void get_category_drawings(int categoryid)
{
OracleConnection myConn;
OracleCommand myCmd;
if (categoryid == 3)
{
myConn = new OracleConnection(ConfigurationManager.AppSettings.Get("oracle"));
myCmd = new OracleCommand("DRAWINGS.GET_STAR_SUB_DRAWINGS");
myCmd.CommandType = CommandType.StoredProcedure;
myCmd.Connection = myConn;
myCmd.Parameters.Add(new OracleParameter("iCATEGORY", OracleDbType.Int32, ParameterDirection.Input)).Value = categoryid;
myCmd.Parameters.Add(new OracleParameter("iSUB_CATEGORY", OracleDbType.Int32, ParameterDirection.Input)).Value = 0;
myCmd.Parameters.Add(new OracleParameter("oDRAWINGS", OracleDbType.RefCursor, ParameterDirection.Output));
}
else
{
myConn = new OracleConnection(ConfigurationManager.AppSettings.Get("oracle"));
myCmd = new OracleCommand("DRAWINGS.GET_STAR_DRAWINGS");
myCmd.CommandType = CommandType.StoredProcedure;
myCmd.Connection = myConn;
myCmd.Parameters.Add(new OracleParameter("iCATEGORY", OracleDbType.Int32, ParameterDirection.Input)).Value = categoryid;
myCmd.Parameters.Add(new OracleParameter("oDRAWINGS", OracleDbType.RefCursor, ParameterDirection.Output));
}
try
{
myConn.Open();
this.dg_drawings.DataSource = myCmd.ExecuteReader();
dg_drawings.DataBind();
helper = new GridViewHelper(this.dg_drawings);
string[] cols = new string[2];
cols[0] = "Description";
cols[1] = "sub_description";
helper.RegisterGroup(cols, true, true);
helper.ApplyGroupSort();
}
catch (OracleException ex)
{
if (categoryid == 3)
{
_admin.send_email("resources/listDrawings.aspx", "DRAWINGS.GET_STAR_SUB_DRAWINGS", ex.Message);
}
else
_admin.send_email("resources/listDrawings.aspx", "DRAWINGS.GET_STAR_DRAWINGS", ex.Message);
Response.Redirect("~/error.aspx");
}
finally
{
myCmd.Dispose();
myConn.Close();
myConn.Dispose();
}
}
}
I created nested gridview refereing asp.snippets.. Its working fine now requirement is to add Checkbox within child grid.. i added childgrid by
</asp:TemplateField>
<asp:TemplateField HeaderText="Approve">
<ItemTemplate>
[Code]...
How to find child grid check box control
need to add textbox in gridview and write code in textchange event in asp.net..i show the data in gridview if i click the button i show the textboxes but i need to write the code in that textchange event in that
View 1 Replies[URL]
how do you handle null data on gridview? and also the white spaces, it seems that the white spaces are converting to " "
Note: i can't replace the because i have 1 column thats in html form.
I have followed this article: [URL] ....
I have added textbox and checkbox in nested(child) gridview....
I have created a customized GridView Control.
I have created a property called as IsEntryGrid. Which is boolean. If it is true then it is assumed that it will be a grid where dataentry is possible from footer controls. Controls in footer are created dynamically. My problem is that when i m pressing ok image button control state is not maintained.
eg. In my footer say there is a text box for field OrganicationCode. I enter Org Code as M01 and if i press enter, i m not getting that back in my page event..
my code to create grid footer....
[Code]....
protected override void CreateChildControls()
I have a GridView that isn't databound until the user clicks a button...
[Code]....
The GridView has one bound column: the employee name. It also has a template field that has an empty asp:Table.
[Code]....
I populate the tblInfo in the RowDataBound event.
[Code]....
The CreateInfoTable(...) method manually creates the rows and columns for the employee. This works, and I can see my dynamically created table; however, after the user submits the form back to the server for PostBack, the rendered page after submission is missing my manually populated table. How can I save my table across PostBacks?
I have a Gridview that is filtered by a DropDownList.
A sales rep can select all prospects or filter on the first letter of the company name.
They can also sort the complete list or filtered by sales rep name.
There are several reps in the list
It was requested that once the list is filtered by the first letter of the name
and sorted by the sales rep, that once they select a customer to edit in the DetailslView, and that
edit is completed by closing the detailsview, they return to the same sorted list. they return
to the same filtered list but the sort is back to the default which is the company name.
Here's what is in the code behind file.
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
if (Session["selection"] != null)
{
[Code]....
I need the following functionality in gridview1). Dynamic add rows2). facility to delete any row (mainly when add new row a link button shd appear with remove text)3). when we add or delete a row the state of other rows should be maintainedeg:- we have a gridivew with 3 textboxwhen we click add button a new row with three textboxes are generated along with remove link buttonnow after creating 3 4 rows i add text in all textboxes , then again i add or remove the row the textboxes must not get cleared
View 2 RepliesI have a gridview in which I have the autopaging option set to true, when i load the grid everything works on the first page, i can even go to second page , but when i click the edit button nothing happens and after that any click blows up the page giving me error Faile to load view state.
View 5 RepliesI want to use a radio button selection on a GridView. I can get this working with a regular DS. However, my table is manually DS'd. When the page frame holding the GridView is loaded, I trigger that event to fire off the subroutine that loads a DataTable and adds the DataTable to the DataSource of the Gridview.
The Gridview has a radio button in the first column as the "SELECTED ROW" appearance. Whenever I run the onchange event code for the radio button, I try and fix the radio buttons so only one row is selected with the following code:
[Code]....
This code works fine with the gridview if its got a built in SQLLDataSource. However, with my manual assigning of DataSourcing to the Gridview on Frame Load, I believe the gridview is being reinitialized everytime and I'm loosing the state of the radio button. I don't believe I can use the IsPostBack() because sometimes this frame and gridview will be showing sometimes it won't and yet other times it will need to be "recreated" with new data dynamically within the page. However, I tried to use PostBack and it looks like its working until I try and do a sort...than that crashes.
[Code]....
When I click on Sort, it crashes here
If (mydata.Rows.Count <> 0) Then
(its complaining about it being "null")
[Code]....
i want to know if i want to use multiple server for my application. what should i do.e.g. if i used session to store some important data so as session get stored on server if my application use one server and server get crashed then my application also get crashed. So to avoid this problem what should i do (if solution is use multiple servers then how can i do that)
View 2 RepliesIf i stored document id in session variable of one of the page , if i opened new tab of the same browser the session will be exist
How can i create new session when i open new tab
i'm using asp.net 2.0.
there's a way to add an handler to manage the session_end event without using the global.asax?
(i can't modify my httpapplication code so i need to add the handler externally to it)
Can I still use Session_OnEnd to trap a session timeout? Is there a better way to trap a session timeout? I want to take the user to a page that tells them the session timed out, and give them an opportunity to re-enter the application in a new session if they wish. How can I accomplish this? Is there still a global.asax file in the .NET 4.0 world?
View 1 RepliesHow to write the condition in C# check each row of data in view state gridview ?
Based on the below code statement , it will check for the first add in row from DB. if not exist, then will pop up " "Message", "alert(' " + Item + " not exists in Location-[" + FromLocation + "], please check again!!"
How if add more than one row in view state gridview, and check it one by one, if not exist,then highlight the row record ?
protected void Add_Click(object sender, EventArgs e) {
GridViewMMSI.Visible = true;
if (ViewState["CurrentTable"] == null) {
int NewTransID = Convert.ToInt32(ViewState["Trans_ID"]) + 1;
ViewState["Trans_ID"] = NewTransID;
[Code]...
I have large volume of records in my database(70k).How do i handle with this kind of volume data in gridview. Is there any samples provided for this?
View 2 RepliesPRESERVING STATE OF radiobuttonlist WHILE PAGING IN ASP.NET GRIDVIEW CONTROL.
View 1 RepliesI have a grid which is binding to a objectdatasource and when it is in edit mode, i am displaying a form template and wanted to bind all the values. I have one field called ApprovedCode. In the edit mode, i am displaying all the codes drop down list box and making a bind on the selectedvalue and i dont know how to handle when it is empty. When it is empty i wanted to display "Select..."
I followed this forum post but i am getting error
[URL]
This is my code
[Code]....
This is the error message that i am receiving
"ddlApprCode' has a selectedvalue which is invalid because it does not exist in the list of items
In code below, when I have more than one DIV open and I choose to sort one of the GridViews, all the other Open Div's will close automatically. How can i keep the DIV's in the state they are in when I sort any GridView?
[Code]....