How To Populate Gridview On Rowdatabound
Aug 6, 2010
I usually use repeaters all the time but have used a gridview control so I can take advantage of the row_editing feature.
I had it all working but then needed to replace the standard linkbutton "Edit" with an image.
Its all gone horribly wrong and revealed my lack of understanding with this control.
[Code]....
I need to populate gridview on rowdatabound because I may need to disable whole row amnd I want to swap images about.
I think im going wrong because I should eb databinding using the <% eval %> method, but im not really sure.
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Similar Messages:
Jan 8, 2011
In a nested GridView (GridView inside a template column of parent GridView). I am binding child GridView to a DataTable in parent GridView's RowDataBound event. this works as it should. But the problem i am facing is in Child GridView's RowDataBound Event, when i try to access e.Row.DataItem property it returns null. I am expecting it to return DataRowView Type. which i will then use to set values of TextBox's.
[code]....
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Jul 26, 2010
My current code to attempt to set widths for the rows on a gridview is:
protected void RowDataBound(Object sender, GridViewRowEventArgs e)
{
if (e.Row.RowType == DataControlRowType.Header)
{
foreach (DataControlFieldHeaderCell dcfhc in e.Row.Cells)
{
dcfhc.Width = 100;
}
}
else
{
foreach (DataControlFieldCell dcfc in e.Row.Cells)
{
dcfc.Width = 100;
}
}
}
But that just keep all of the widths default! What am I doing wrong?
EDIT: I have already tried thise code as well!
PoolToDBHeaders.DataSource = new DataView(headerTable);
PoolToDBHeaders.DataBind();
foreach (DataControlField dcf in PoolToDBHeaders.Columns)
{
dcf.ItemStyle.Width = 100;
}
PoolToDBHeaders.DataBind();
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Feb 24, 2010
I have created a gridview in code behind (as in its not physically present on the page). I want to know how to call it's rowdatabound event - as data is being bound to it. There happens to be a Gv.RowDataBound function, but how do I use it? (I want the same functionality as what the asp:gridview control has for its onrowdatabind attribute...)
GridView Gv = new GridView();
Gv.AutoGenerateColumns = false;
BoundField one = new BoundField();
one.DataField = "one";
[code]...
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Dec 12, 2010
in asp.net we can handle the RowDataBound event of the GridView control. this event fires when every row is added to the gridview.
i want to be able to handle this event in the gridview in a winforms application but i cannot find a similar event. my question is what is the event name that allows me to do the same as RowDataBound in asp.net?
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Mar 31, 2011
When u have a gridview(lets say gridview1) and u associate an event
OnRowDataBound = "gridView1_RowDatabound"
and u usually start the event method as follows
protected void gridView1_RowDatabound(object sender, GridViewRowEventArgs e){
if (e.Row.RowType == DataControlRowType.DataRow){
do something..
}
}
Why do u have to check again if the row is data row, as i understand it gridview1_rowdatabound event occurs only when the rows are getting bound by the datasource u supplied. Why do u perform again this additional checking ?
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Mar 8, 2011
I am trying to an ImageUrl to an image in a Template Field in GridView but keep getting the error:
Object reference not set to an instance of an object. on this line:
Dim imagePath As String = rowView("image_path")
I've never done this before on a GridView but had it working on a ListView.
.APSX
<asp:GridView ID="gvImages" DataKeyNames="id" runat="server" AutoGenerateColumns="False" BorderWidth="0px" GridLines="None">
<Columns>
<asp:TemplateField>
[Code]....
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Apr 13, 2010
Is it possible to retrieve the DataRowIndex of the binding datarow from its parent DataTable. I would use it to point again back to the datatable when i perform a delete operation. I can't use the DataItemIndex of GridView since the rows with RowState=Deleted still exists., so it won't point to the correct row of datatable.
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Aug 18, 2015
How to generate "Gridview1.row_bound" event in gridview?
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Aug 11, 2010
I have info from a couple of different tables that I need to be able to double click on a cell in a gridview and navigate to a couple of separate .aspx pages. Yesterday I learned how to use RowDataBound to get the name from a cell on a gridview to use in a delete confirmation dialoge box, and so am pretty sure I should be using this same RowDataBound, but I cant quite figure out where to start.
For example from the gridview below, I need to be able to double click in the "LoginIssue" field and navigate to an "EditLogin.aspx" page and subsequently be able to double click in the "ContractPath" and be able to navigate to a "ContractPath.aspx" page...or popup.
[Code]....
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Aug 24, 2010
I have two different functions which are used to generate two different report on one gridview. In otherwords, in my design, I have a calendar event which is used to generate a report on the gridview and I have a dropdownlist which is used to generate a different report on the same gridview, so depending on the control that is clicked on depends on the report being generated. Now I would like a situation where my gridview rowdatabound is only applied to the dropdownlist report not the calendar event report. How can i go about doing so.
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Feb 17, 2010
protected void grdMain_RowDataBound(object sender, GridViewRowEventArgs e)
{
}
<asp:GridView ID="grdMain"
runat="server"
OnRowDataBound="grdMain_RowDataBound"
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Apr 15, 2010
How to access gridview commandfield delete button on RowDataBound event? How the cells and controls in griview are accessed
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Aug 13, 2010
I'm attempting to change the format of the 2nd column in a gridview during the rowdatabound event. I pulled sample code from various sources and wrote the following, but it's not working. I tried to do a trace, but the rowdatabound event didn't appear in the trace. Here's some code for the gridview:
[Code]....
Here's what I have in the code behind:
[Code]....
I expected the values in the 2nd template column to get written in italics, but nothing happens. I do have a gridview skin that's getting applied.
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Oct 21, 2010
I have a gridview and a template column:
<asp:TemplateField HeaderText="Active">
<EditItemTemplate>
<asp:CheckBox ID="chkbxActive" runat="server" Checked ='<%# Bind("Active") %>' />
</EditItemTemplate>
<ItemTemplate>
<asp:Label ID="lblActive" runat="server" Text='<%# Bind("Active") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
The item "Active" is a bit from the database And for the RowDataBound:
Const HeavyCheckMark As Char = ChrW(&H2714)
For Each row As GridViewRow In gvProductCodes.Rows
If gvProductCodes.EditIndex = -1 Then
' Selects the text from the Label which is inside the GridView control
Dim lblActive As String = CType(row.FindControl("lblActive"), Label).Text
lblActive = lblActive.Replace("True", HeavyCheckMark)
lblActive = lblActive.Replace("False", "")
'Replaces the text in each Label control
CType(row.FindControl("lblActive"), Label).Text = lblActive
Else
Dim chkbx As CheckBox = CType(row.FindControl("chkbxActive"), CheckBox)
End If
The check mark works fine when not in edit mode. But when in edit mode, the row that is being edited works as expected. But the other rows now show True or False. I want them to have the const HeavyCheckMark in it instead.
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May 17, 2010
When a Gridview row is in edit, I need to default an empty textbox to today's date. I am close, but the defaulted date is is not saved to the database. I can key in the date and the date is displayed and saved to the database. Even more interesting:
1. The date is defaulted to - 5/17/2010
2. If I erase the month and key the "5" back in the data is not saved.
3. If I erase the month and then change the month to "6", the data is saved to the database. If any value is changed in the date the save works.
[Code]....
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Apr 3, 2010
I am using the following but want to remove grView, is it possible. this is used in gridview rowdatabound event handler.
If e.Row.RowState = DataControlRowState.Normal Or e.Row.RowState = DataControlRowState.Alternate Then
Dim item As GridViewRow = e.Row
Dim grView As DbDataRecord = DirectCast(item.DataItem, DbDataRecord)
[code]...
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Mar 16, 2010
I use linq query as below and bind it to listview. I have 2 label control (name,remain).I want to check in code behind if p.count<200 then remain ="Sample text1"if price <300 then "sample text2".I know that I could do it before linq in gridview RowDataBound event
Dim prod= From p In db.products _
Select New With {p.name p.category, p.count}
postlist.DataSource = prod
postlist.DataBind()
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Feb 3, 2010
I would like to ask how can i make the gridview just underline the first column by using the rowdatabound.
Currently my code using as below:
protected void gvResult_RowDataBound(object sender, GridViewRowEventArgs e)
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Feb 22, 2010
How to get the DataKey value in RowDataBound event for GridView
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Mar 24, 2010
I have an internal web application which uses a custom encryption class to convert strings to varbinary(50) columns in SQL. When I display the table in a GridView, I want to use the RowDataBound event to decrypt the encrypted column back to a string to display.
Currently I have the following in my RowDataBound event:
[Code]....
This throws an exception when I try to load the page: TransformFinalBlock - Length of the data to decrypt is invalid.
I have tried just fetching the data from SQL in my query but the e.Row.Cells(3).Text evaluates to System.Byte[], so I tried using CAST([EncrytedColumn] AS varchar(50)) to convert the varbinary(50) to varchar(50), but this still resulted in the same exception being thrown.
My only solution so far has been to manually fetch the SQL data into a DataTable and decrypt the column before displaying it in the GridView, but I prefer the automated method of binding the SQLDataSource to the GridView.
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Apr 20, 2010
I have a very simple asp.net page, just some buttons and one GridView on it. The logic is a user click the QUery button,then the button click event was trigured to populate the gridview with data queried from database via LINQ. for a user friendly interface, in RowDataBound event, I visit every row, change a boolean value into checkbox represention. But it seem that the RowDataBound run twice, because the checkboxs were inserted twice for every row in one cell. so why? the source code snippet as follow:
protected void btnSelect_Click(object sender, EventArgs e)
{
RetiredEmployeeDataContext db = new RetiredEmployeeDataContext();
GridView1.DataSource = db.ENTUserAccountSelectAll();//userAccounts;
GridView1.DataBind();
}
protected void GridView1_OnRowDataBound(object sender, GridViewRowEventArgs e)
{
if (e.Row.RowType == DataControlRowType.DataRow)
{
CheckBox chkActive = new CheckBox();
chkActive.Checked = ((ENTUserAccount)e.Row.DataItem).IsActive;
chkActive.Enabled = false;
e.Row.Cells[5].Controls.Add(chkActive);
}
}
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Apr 27, 2016
I have a button field in last of gridview on click code executes on rowdatabound, How to add javascript confirm message with yes no on click of button.
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Aug 28, 2013
I know the way how to find the value of a control in gridview RowDataBound()
as
<asp:Label ID="ControlId" runat="server" Text='<%#Eval("Field") %>'></asp:Label>
in RowDataBound() i can access the value as
Label lbl= (Label)e.Row.FindControl("ControlId");
But ,I want to access the value in gridview RowDataBound()
as
var value=eval("Field")
Is there any way doing like this ....
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Mar 3, 2010
I am NOT formatting at DECLARATIVE time
The following code works perfectly
[Code]....
Can I directly format e.RowDataItem.
I don't want to format by using e.Row.Cells[4].Text
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