i have a gridview control i added checkbox contrl dynamically but i am not getiing the reference of checkbox in button clilck event here is my code Gridvew
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.vb code
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I have a gridview with checkboxes
<asp:GridView ID="gv" runat="server" DataKeyNames="Id" AllowSorting="True"
AutoGenerateColumns="false">
<Columns>
<asp:TemplateField >
<ItemTemplate>
<asp:CheckBox ID="chk" runat="server" />
</ItemTemplate>
</asp:TemplateField>
<asp:BoundField DataField="System_Date" HeaderText="System Date" />
</Columns>
</asp:GridView>
in button click event how to find checkbox control and delete selected row from gridview i binded gridview with datatable
I am working on asp.net application and code behind is c#
I am having gridview and adding the data to the gridview in the following manner.
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Now i want to add <div> element like the one below after the table row <tr> in the generated html
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I'm unable find check box control in my webpage.
When building the page I'm getting "checkbox null" and "false".
I'm pasting the code here.
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I am stuck in chart controls...Here is my prob... There is a ListBox containing some items...when user selects multiple items from the list box I want to generate a dynamic table with the number of columns same as that of the number items selected in the listbox. And for each selected item I want to show a seperate chart in the columns...Currently I want the same chart control for every selected item (i.e. a static hard coded chart that i will replace later by dynamic values)....I am using a method that draws a chart control using a sample dataset... I am calling it each time when a new column is created..Also the DrawChart method executes for the first column only and throws an index out of range exception! after the first execution...my code is not working...here
my code...
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i have a gridview and i have made table in gridview and in table i have bound some controlsbut i am unable to find control. if i am not using table in gridview then i am not facing the problem but when i am using table in gridview then i am facing this problem please send me a solution of this problem.
View 4 RepliesI have a gridview and each row have an textbox for quantity, I need quantity.text to add product in database, but in my page I have 2 or more quantity textbox. How do I know which one is the good one...to add.
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I am having asp.net web page.In that I am having GridView control. In that GridView I have template columns.There are total 8 columns in gridview.First column of the gridview is a checkbox. and in other columns of the gridview there are dropdownlists.what i want is that when i select a value in first column's dropdown and then check the checkbox then for all columns for that particluar row all the dropdowns in all columns for that selected row should contain the value of the first selected dropdownlist.
View 5 RepliesI have a gridview control
i add template column dynamically to gridview
like this in a function in AddColumns button clickevent
gv.Columns.Clear()
Dim chkCol As New TemplateField
chkCol.ItemStyle.Width = 20
chkCol.ItemStyle.HorizontalAlign = HorizontalAlign.Center
gv.Columns.Add(chkCol)
2)
and in row databound event i added checkbox control to this template field. like this
Protected Sub gv_RowDataBound(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.GridViewRowEventArgs) Handles gv.RowDataBound
If e.Row.RowType = DataControlRowType.DataRow Then
Dim chkbox As New CheckBox
chkbox.ID = "chkSelect"
e.Row.Cells(0).Controls.Add(chkbox)
End If
End Sub
HERE I WANT TO GET CHEKC BOX IN btnok click event
Protected Sub btnOk_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles btnOk.Click
Dim linkId As String
Dim summary As String = ""
'Enumerate the GridViewRows
For index As Integer = 0 To Me.gv.Rows.Count - 1
'Programmatically access the CheckBox from the TemplateField
Dim cb As CheckBox = CType(gv.Rows(index).Cells(0).FindControl("chkSelect"), CheckBox)
If cb IsNot Nothing Then
If cb.Checked Then
linkId = Me.gv.DataKeys(index).Value
End If
End If
Next
Me.Page.Title = linkId
End Sub
But here i am not getting Check box even i used find control. how i get checkbox
under rowupdating event i want code to find control of my textbox with name 'txtdesc'.
i am using vb.net
what do i write inside ehre?
Protected Sub gv_RowUpdating(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.GridViewUpdateEventArgs) Handles gv.RowUpdating
End Sub
i tried something like this but did not work:
GridViewRow row = (GridViewRow)(((Repeater)e.CommandSource).NamingContainer);
Repeater _rpt1 = row.Cells[8].FindControl("rptReg") as Repeater;
error:
Unable to cast object of type 'System.Web.UI.WebControls.Button' to type 'System.Web.UI.WebControls.Repeater'.
is there a way i can have the below code in `OnRowCommand` event using GridView?
actually i am trying to delete the row from the gridview control and when the user click on it and i am grabbing the mulitple ids and passing to SP and update the table and `databind the gridview`
GridViewRow row = gv.SelectedRow;
Repeater _rpt = gv.Rows[e.RowIndex].Cells[8].FindControl("rptReg") as Repeater;
Repeater _rpt1 = gv.Rows[e.RowIndex].Cells[9].FindControl("rptVisitor") as Repeater;
foreach (RepeaterItem item in _rpt.Items)
{
TextBox _txt = item.FindControl("txtId") as TextBox;
TextBox _txt1 = item.FindControl("txtName") as TextBox;
//update db
}
I have a checkbox in a repeater control. How to get the User,Administrator,Security Admin as the checkbox Names ?
private string[] AvailableRoles = { "User", "Administrator", "Security Admin" };
Repeater_Roles.DataSource = AvailableRoles; Repeater_Roles.DataBind();
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i have a parent gridview,It has child gridview in every row.The edit and delete event of this child is working is fine.When i add data to through child gridview with empty data template.i can 't find the value of the parent contril id.
gvProductFeatures is the chid gridview...
protected void gvProductFeatures_RowCommand(object sender, GridViewCommandEventArgs e)
{
try
{
if (e.CommandName.Equals("EmptyAddNewFeature"))
{
GridView gv = (GridView)sender;
if (gv != null)
{
// here i need find the appropriate control id from parent..how??
int intIndex = Convert.ToInt32(e.CommandArgument);
Label lblEmptyGroupPK = (Label)gv.Controls[0].Controls[0].FindControl("lblEmptyGroupPK");
TextBox txtEmptyFeatures = (TextBox)gv.Controls[0].Controls[0].FindControl("txtEmptyFeatures");
}
}
}
catch(Expection ex)
{
}
}
I have a Gridview which contains templated column that has 5 checkboxes in it. When you click on one checkbox, I want to uncheck the other 4.
I am using the Item Template for this. I don't want the user to have to Select a row, before clicking on the checkboxes. Here is my non-working code to uncheck the other checkboxes. I realize it's not "SelectedRow" that I want since there's no selected row, so how do I find the row containing the checkbox that fired off CheckChanged?
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how can i use findcontrol to bind dropdownlist whidch is placed in item templated in gridview . my gridview is in update panel and my page has master page too.i want to bind my drodownlist in codebehind page.
iuse this code:
DropDownList DDL =
this.Master.FindControl("ContentPlaceHolder1").FindControl("UpdatePanel1").FindControl("GVProduct").FindControl("DDLProductGroupGrid")
as
DropDownList; but not works.
i've a fileupload control <asp:fileupload> called (UpImage) inside the <EditItemTemplate> called (dtlAlbums) of a <asp:DetailsView> which is inside a <asp:GridView> called (grdAlbums), when i use the below code to find the control (UpImage) i get an error at the RED line that, (Object not set to a reference of an object)
// code begins here
bool CheckFileType(string fileName)
{
string ext = Path.GetExtension(fileName);
switch (ext.ToLower())
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I am unable to find any control in row editing event of gridview that i have put in edit template. I have to populate the dropdown control so that in editing the user can select value from the control.
How ever i can access the controls in row updating .But i need it in row editing event.
Here is the code.
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i would like to uncheck a checkbox in my gridview when the user clicks on that row... how do i do that in vb.
also, when trying out my website, when i do uncheck the checkboxs and click on the link to go back to the home page, the gridview on that page which links to the same table does not update the checkboxes with the new values.
i want save the gridview in buttonsave event..
here i wrote the code like this
for (int i=0;i<gridview1.row.count;i++)
{
label lbl=(label)gridview1.rows[i].findcontrol("lbl");
Textbox txtname=(Textbox)gridview1.rows[i].findcontrol("txtname");
}
here i got the textbox value but am not getting label value how to get that label value..
I have this code:
<asp:GridView ShowFooter="true" DataSourceID="odsRooms" Width="700" DataKeyNames="id,locationid" ID="gvRooms" GridLines="None" PageSize="10" runat="server" AllowSorting="true" AllowPaging="True" CellSpacing="4" AutoGenerateColumns="False" >
<Columns>
<asp:TemplateField HeaderStyle-HorizontalAlign="Left" HeaderStyle-VerticalAlign="Bottom" >
<ItemTemplate>
<%# Eval("roomname")%>
</ItemTemplate>
<EditItemTemplate>
<asp:TextBox ID="tbRoomname" MaxLength="20" Text='<%# Eval("roomname")%>' runat="server" />
</EditItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderStyle-HorizontalAlign="Left" HeaderStyle-VerticalAlign="Bottom">
<ItemTemplate>
<%# Eval("sqmeters")%>
</ItemTemplate>
<EditItemTemplate>
<asp:TextBox ID="tbSqmeters" MaxLength="6" Width="60" Text='<%# Eval("sqmeters")%>' runat="server" />
</EditItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderStyle-HorizontalAlign="Left" >
<ItemTemplate>
<%# Eval("persreception")%>
</ItemTemplate>
<EditItemTemplate>
<asp:TextBox ID="tbPersreception" MaxLength="6" Width="60" Text='<%# Eval("persreception")%>' runat="server" />
</EditItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderStyle-HorizontalAlign="Left" HeaderStyle-VerticalAlign="Bottom" >
<ItemTemplate>
<%# Eval("persdiner")%>
</ItemTemplate>
<EditItemTemplate>
<asp:TextBox ID="tbPersdiner" Text='<%# Eval("persdiner")%>' MaxLength="6" Width="60" runat="server" />
</EditItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderStyle-HorizontalAlign="Left" HeaderStyle-VerticalAlign="Bottom" >
<ItemTemplate>
<%# Eval("persparty")%>
</ItemTemplate>
<EditItemTemplate>
<asp:TextBox ID="tbPersparty" Text='<%# Eval("persparty")%>' MaxLength="6" Width="60" runat="server" />
</EditItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderStyle-HorizontalAlign="Left" HeaderStyle-VerticalAlign="Bottom" >
<ItemTemplate>
<%# Eval("descriptiontext")%>
</ItemTemplate>
<EditItemTemplate>
<asp:TextBox ID="tbDescriptiontext" Text='<%# Eval("descriptiontext")%>' TextMode="MultiLine" Rows="2" Columns="28" runat="server" />
</EditItemTemplate>
</asp:TemplateField>
<asp:CommandField ShowDeleteButton="true" DeleteText="Delete" ShowEditButton="true" EditText="Edit" CancelText="Cancel" />
</Columns>
</asp:GridView>
<asp:ObjectDataSource ID="odsRooms" InsertMethod="InsertRoom" DeleteMethod="DeleteRoom" UpdateMethod="UpdateRoom" runat="server" SelectMethod="GetLocationRoomsPagedSorted" SelectCountMethod="GetLocationRoomsCount" SortParameterName="sortExpression"
TypeName="locationsBLL" EnablePaging="true">
<DeleteParameters>
<asp:Parameter Name="id" Type="Int32" />
</DeleteParameters>
<UpdateParameters>
<asp:ControlParameter ControlID="tbRoomname" PropertyName="Text" Name="roomname" Type="String" />
<asp:ControlParameter ControlID="tbSqmeters" PropertyName="Text" Name="sqmeters" Type="String" />
<asp:ControlParameter ControlID="tbPersreception" PropertyName="Text" Name="persreception" Type="String" />
<asp:ControlParameter ControlID="tbPersdiner" PropertyName="Text" Name="persdiner" Type="String" />
<asp:ControlParameter ControlID="tbPersparty" PropertyName="Text" Name="persparty" Type="String" />
<asp:ControlParameter ControlID="tbDescriptiontext" PropertyName="Text" Name="descriptiontext" Type="String" />
<asp:Parameter Name="id" Type="Int32" />
</UpdateParameters>
</asp:ObjectDataSource>
And get this error when I click 'Edit' and then 'Update':
Server Error in '/' Application. Could not find control 'tbDescriptiontext' in ControlParameter 'descriptiontext'.Description: An unhandled exception occurred during the execution of the current web request. review the stack trace for more information about the error and where it originated in the code.
Exception Details: System.InvalidOperationException: Could not find control 'tbDescriptiontext' in ControlParameter 'descriptiontext'.
Source Error:
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Stack Trace:
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[InvalidOperationException: Could not find control 'tbDescriptiontext' in ControlParameter 'descriptiontext'.]
System.Web.UI.WebControls.ControlParameter.Evaluate(HttpContext context, Control control) +2961386
System.Web.UI.WebControls.Parameter.UpdateValue(HttpContext context, Control control) +152
System.Web.UI.WebControls.ParameterCollection.UpdateValues(HttpContext context, Control control) +113
System.Web.UI.WebControls.ParameterCollection.GetValues(HttpContext context, Control control) +47
System.Web.UI.WebControls.ObjectDataSourceView.ExecuteUpdate(IDictionary keys, IDictionary values, IDictionary oldValues) +1204
System.Web.UI.DataSourceView.Update(IDictionary keys, IDictionary values, IDictionary oldValues, DataSourceViewOperationCallback callback) +3636597
System.Web.UI.WebControls.GridView.HandleUpdate(GridViewRow row, Int32 rowIndex, Boolean causesValidation) +1336
System.Web.UI.WebControls.GridView.HandleEvent(EventArgs e, Boolean causesValidation, String validationGroup) +641
System.Web.UI.WebControls.GridViewRow.OnBubbleEvent(Object source, EventArgs e) +164
System.Web.UI.Control.RaiseBubbleEvent(Object source, EventArgs args) +52
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +3691
Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.0.30319.1
I have a [Code]....
with showing all A table C column.
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My A table has two column.
B-->Primary Key
C--> Every C has a unique B.
I have an SQL like this for my Gridview Source;
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Something like that. My SQL syntax isn't very well. I hope i can tell what i want..
What REALLY want is, When i click a button, showing in Gridview with second SQL , BUT only i selected in CheckBoxList.
Is there any way adding to parameter in SQL? How can i do that?
I have a gridview in my aspx page, which is filled with data from generic list.
I want to add a checkbox and a link button in the grid, so that users can select the row and when users click on the link button, a new page is loaded with the items in the selected row.
I have one table control "table1"
And added controls to it in click event of one button as :
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but i cant retrieve this controls in click event of another button. i think it is because of postback.
I have a web page where users need to enter customer contact information. They could enter from 0 to an infinite number of contacts.
I created this page code on page:
<ajaxToolkit:ToolkitScriptManager runat="Server" EnablePartialRendering="true" ID="ScriptManager1" />
<asp:PlaceHolder ID="phCustomerContacts" runat="server" EnableViewState="true">/asp:PlaceHolder>
<asp:LinkButton ID="btnAddContact" runat="server" OnClick="btnAddContact_Click" CssClass="LinkButton" Text="Add Contact"/>
In my code behind I added this:
public void btnAddContact_Click(object sender, EventArgs e)
{
IList<CustomerContactProfile> customerContacts = new List<CustomerContactProfile>();
if (ViewState["CustomerContactList"] != null)
customerContacts = (List<CustomerContactProfile>)ViewState["CustomerContactList"];
CustomerContactProfile contactProfile = (CustomerContactProfile)LoadControl("~/Controls/Embedded/CustomerContactProfile.ascx");
customerContacts.Add(contactProfile);
foreach (CustomerContactProfile contact in customerContacts)
phCustomerContacts.Controls.Add(contact);
ViewState["CustomerContactList"] = customerContacts;
}
This code doesn't work because the ViewState can't handle storing all of that control data. However, I cannot think of another way to store the controls that were already added.
The viewstate of the asp:PlaceHolder control doesn't save anything and I need the controls to be saved so that if a user puts in some data to the first control that the data isn't lost when they add a second one and so on.
how to get the total row counts in a Gridview control with default paging enabled? My gridview control is bind to an ObjectDataSource control.
The problem I am having right now is that when I loop through the gridview control, it only contains the total row for the current page being displayed on the screen and not
the total row in the entire grid. I am using the the for each loop.
foreach (GridViewRow row in this.MyGridView.Rows)