Forms Data Controls :: Simulate The Gridview Function Of Updating Row Or Cell Data
Feb 13, 2010
I have an asp.net page with a gridview control on it but I want to allow the user to also be able to update the selected row from a series of textboxes. I simply need the code for a button click event to do this.
button is called button1
textbox is called textbox1
gridview control is named gridview1
record to be modified is in 3rd column called PlayerName
The row to be edited will always be the only record shown and will always be selected by code I've already written. I will also need to know if the record must be set to edit mode to make the button click code work.
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Feb 11, 2010
I'm having a weird problem where the GridView cell that I'm programmatically updating turns grey, and throws a null error when attempting to save row. I have been searching all day and have not been able to find a solution. I'm guessing there is a problem with my code, so here it is:
Protected Sub Button1_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles Button1.Click
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Sep 7, 2010
I have a gridview and I want to update a cell with a session variable username. In the Gridview1_RowEditing event I have this code :
GridView1.Rows(e.NewEditIndex).Cells(5).Text = Session("username")
It does not give me any errors and seems to work but the grid view cell do not take this session. When I'm clicking on the edit hyperlink this event is triggered.
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Mar 11, 2011
I have a situation where i need to update my Dropdownlist templatefield inside a GridView....but only for a specific cell. I have seen codes like this to loop through the whole GridView and update every rows in a specific column, but how do i do it if i only want to update one specific cell ? (If i know the index information of the cell, for example, I know i want to update the dropdownlist on Column 3 and Row 2)
foreach (GridViewRow row in GridView1.Rows)
{
if (row.RowType == DataControlRowType.DataRow)
{
this.WorkTypeDDL = ((DropDownList)row.FindControl("WorkTypeList"));
this.WorkTypeDDL.DataSource = AL;
this.WorkTypeDDL.DataBind();
//more codes blah blah blah//
}
}
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Apr 30, 2010
I have a grid view populated with some data included bit fields and I made an export to excel function For each row i need to check the cell with the bit value to change the cell color, but the cell is always empty, even if is the field is set to False or True. foreach (GridViewRow row in gv.Rows)
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Mar 24, 2010
I need to extract the data from a cell inside a row from a gridview, i have got the row index so the thing i need is how to get the data to insert it into the SQL statement and execute that query. This is my code at the moment:
string ruta = (string)ConfigurationManager.ConnectionStrings["rutaDB"].ConnectionString;
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Dec 26, 2010
Need data returned from a gridview cell. I can get everything BUT.These both work but are in no way specific or flexible enough:
Me.TextBox1.Text = GridView2.SelectedValue (silly; I need to spec the cell !) )
Me.TextBox2.Text = GridView2.Rows(1).Cells(2).Text.ToString() (dont want to feed in the position !)
Something like this I think, but this does not work:
Label1.Text = Convert.ToString(GridView2.SelectedRow.Cells[2].Text
In other words, I need to be able to spec the column but have the row the mouse is on picked up automaticaly.
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May 31, 2010
I'm just wondering if anyone has come across a good, easy method for updating a SQL Server 2000 DB table using the edit feature in GridView. The catch here is that I need it to encrypt, send to database, then decrypt when the page calls it to be displayed. I have successfully implemented an insert method using FormView with encryption. For some reason, I just can't seem to figure out the edit/update.
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Feb 4, 2010
Duplicate Data in Gridview and Updating textbox in DetailsView
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Mar 5, 2010
I have a gridview based on a sqldatasource that has some colums from which two colums showing the data of two fields: field1 and field2. field1 is an ID which should not be updated and therefore it is readonly=true. The sql-query from the sqldatasource is:
SelectCommand="SELECT field1, field2 from anyView"
What I want is, that when a row is updated, then the value from field1 should be copied to field2 The update-query is:
UpdateCommand="UPDATE myTable SET field2=@field2 WHERE field1=@field1"
My idea was, that the @field2 paramter gets the value from the query string out of field1:
<UpdateParameters>
<asp:QueryStringParameter Name="field2" QueryStringField="field1" Type="Int32" />
</UpdateParameters>
But this does not work. Is there an easy way to copy the data from field1 to field2 when updating the row? In addition, is this possible, even if field2 ist not shown in the gridview (i.e. field2 is selected in the query but is not a field in the gridview but should be updated with value of field1).
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Jan 5, 2011
I have a requirement something as below.
1. I will click on the EDIT link in one of the grid view row. The row will change to edit mode
2. I will update the values and click update link in edit mode and edit mode closes.
3. At this point I need to capture the datakey of the updated row into some variable
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Dec 9, 2010
I'm using ADO.Net code to access and update the data from the database. I'm using GridView for presentation. I wish to preserve old values of all the columns while updaing the records.
I'm using Code behind and not d Data Source controls. I wish to list the old records once record is updated.
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Feb 14, 2010
regarding editing and updating the data in the gridview?
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Apr 26, 2010
i need to do a pop up for every cell in gridview. The moment user click on the cell on gridview , a pop up pop up and showing every the data in the cell for user to do modification in textbox.
I am facing the problem in capturing the cell data and also bind the pop up to every cell.
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May 19, 2010
I have a gridview that has 5 columns, and when a particular row is selected, I need to get the value out of the 5th column.
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Aug 27, 2010
in my application a gridvie containing datas. if i select a row i want to display 2 cell values in to
2 textboxes.
how it is possible. i need the code in vb.net
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Jul 13, 2010
I have a gridView which connect with sqlDatasource. I want get value from cell. When i do that - this.GridMain.Rows[1].Cells[9].Text but always there are "". How can a i get value form cells.
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Feb 8, 2010
i'm having some problems calling a field from my gridview to use in a SQL query.
aspx:
<%@ Page Title="" Language="C#" MasterPageFile="~/MenuMasterPage.master" AutoEventWireup="true" CodeFile="Relatorios.aspx.cs" Inherits="qmetrics_Default" %>
<asp:Content ID="Content1" ContentPlaceHolderID="ContentPlaceHolder1" Runat="Server">
[Code]....
I think this happens cuz he is grabbing the two fields...how can i get only the field "nome"?
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Dec 28, 2010
<asp:GridView ID="gvcart" runat="server" AutoGenerateColumns="False"
BackColor="White" BorderColor="#DEDFDE" BorderWidth="1px"
CellPadding="4" Width="593px" BorderStyle="Solid" ForeColor="Black"> [code]....
orderid='" & gvcart.Rows(i).Cell(1).Text & "'" is not returning the value....orderid is a label in gridview.. how to get the value of the cell...
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Dec 18, 2010
I have created a simple application to edit data in an access database using gridview but its not working , the results are shown correctly , but when i click update nothing happens..
Here is my code
<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False"
DataSourceID="SqlDataSource1" EnableModelValidation="True" DataKeyNames="id" >
<Columns>
<asp:CommandField ShowEditButton="True" />
<asp:BoundField DataField="id" HeaderText="id" InsertVisible="False"
SortExpression="id" />
<asp:TemplateField HeaderText="NAME" SortExpression="NAME">
<EditItemTemplate>
<asp:TextBox ID="TextBox1" runat="server" Text='<%# Bind("NAME") %>'></asp:TextBox>
</EditItemTemplate>
<ItemTemplate>
<asp:Label ID="Label2" runat="server" Text='<%# Bind("NAME") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:BoundField DataField="FATHER_NAME" HeaderText="FATHER_NAME"
SortExpression="FATHER_NAME" />
<asp:BoundField DataField="MOTHER_NAME" HeaderText="MOTHER_NAME"
SortExpression="MOTHER_NAME" />
<asp:BoundField DataField="CLASS" HeaderText="CLASS" SortExpression="CLASS" />
<asp:BoundField DataField="gram" HeaderText="gram" SortExpression="gram" /
<asp:TemplateField HeaderText="Remark" SortExpression="Remark">
<EditItemTemplate>
<asp:DropDownList ID="PS" runat="server" SelectedValue='<%# Bind("Remark") %>'>
<asp:ListItem>PASS</asp:ListItem>
<asp:ListItem>FAIL</asp:ListItem>
<asp:ListItem>APPEARED</asp:ListItem>
<asp:ListItem>NOT APPEARED</asp:ListItem>
<asp:ListItem></asp:ListItem>
</asp:DropDownList>
</EditItemTemplate>
<ItemTemplate>
<asp:Label ID="Label1" runat="server" Text='<%# Bind("Remark") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
</Columns>
</asp:GridView>
<asp:SqlDataSource ID="SqlDataSource1" runat="server" ConflictDetection="CompareAllValues"
ConnectionString="<%$ ConnectionStrings:ConnectionString2 %>"
ProviderName="<%$ ConnectionStrings:ConnectionString2.ProviderName %>"
UpDatecommand = "update [REGULAR] set [NAME] = ?, [FATHER_NAME]=?, [MOTHER_NAME]=?, [CLASS]=?, [gram]=?, [Remark]=? where [id] = ?"
SelectCommand="SELECT [id], [NAME], [FATHER_NAME], [MOTHER_NAME], [CLASS], [gram], [Remark] FROM [REGULAR] WHERE (([CLASS] = ?) AND ([SCHCD] = ?))">
<SelectParameters>
<asp:ControlParameter ControlID="DropDownList3" Name="class"
PropertyName="SelectedValue" Type="String" />
<asp:ControlParameter ControlID="DropDownList1" Name="schcd"
PropertyName="SelectedValue" Type="String" />
</SelectParameters>
</asp:SqlDataSource>
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Jan 28, 2010
I am using this command to get the value of a particular cell in the GridView: Question: Do you know why I do not get a value in strValue ?
There is definitely value in the grid.
protected void grid_RowCommand(object sender, GridViewCommandEventArgs e)
{
//proceed only if the Details button is clicked...
if (e.CommandName.ToLower() == "details")
{
//Get the row index selected...
int index = Convert.ToInt32(e.CommandArgument);
GridViewRow row = grid.Rows[index];
string strValue = grid.Rows[index].Cells[1].Text;
}
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Mar 30, 2010
i am having trouble to set a new value to a specific GridView cell.
The value is passed from a javascript to the c# code behind where it should update a specific Gridview cell []:
I am not using editedtemplate.
code c# :
[code]....
In other hand I am using a JS code that set a GridView cell value.. The new value is set but as soon as i select another row on the GridView ..the Updated cell comes back to its original.
JS code1 :
setCellValue(selectedIndex,5);
JS code2 :
[code]....
What i need is a simple way to set a specific gridview cell with my passed JS variable.
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Feb 1, 2011
Objective : Get the value of a particular cell in a particular row - when I click on a template field button link. How do I "select" that row so I can use code like datagridview.rowselected
or datagridview.selectedrowindex etc...
Right now I am using code like that and it does not get any values of the gridview because it does not know what the selected row is (may be because I want this to be done on template field click)
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Dec 22, 2010
I've created a GridView as follows:
[Code]....
In my SQL DataSource, I also have a field called 'ClassLevel_Colour' which stores a colour value (for example: #9251ed)
What I'd like to do is colour the cell 'ClassLevel_Value' with the colour set in ClassLevel_Colour.
C# code I need to write - presumable for 'GridView_Classes_RowDataBound'?
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Feb 26, 2010
I have a gridview with a bound column,a template field with an editable textbox and a template field with a readonly textbox.
The bound field value is coming from database. I will enter a value to the editable textbox field. I want to set a value to the third cell based on the entered value in second cell . If the second cell is lost focus i want to set the value to third cell . If the solution is with a javascript function i will be very happy.
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