Specific Label Value From GridView

Specific Label Value From GridView - c#

I am trying to delete rows from ASP.NET GridView and for demo purpose, I am trying to retrieve names from the rows right now. In the ItemTemplate of the GridView, I've included Label that has id as well name to show. Finally added Button control in the GridView to delete specific rows and tried the following:
<asp:GridView ID="grdData" runat="server" AutoGenerateColumns="false">
<Columns>
<asp:TemplateField HeaderText="Id">
<ItemTemplate>
<asp:Label ID="lblId" runat="server" Text='<%# Eval("ProductId") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Name">
<ItemTemplate>
<asp:Label ID="lblName" runat="server" Text='<%# Eval("Name") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField>
<ItemTemplate>
<asp:Button ID="btnShow" runat="server" Text="Button" OnClick="btnShow_Click" />
</ItemTemplate>
</asp:TemplateField>
</Columns>
</asp:GridView>
<asp:Label ID="lblMsg" runat="server"></asp:Label>
In the code-behind, I've iterated the GridView with a loop to get the individual values, say name of the row as follows:
protected void btnShow_Click(object sender, EventArgs e)
{
foreach (GridViewRow row in grdData.Rows)
{
string val = ((Label)row.FindControl("lblName")).Text;
lblMsg.Text = val;
}
}
But unfortunately I get the last name every time I click any row button and here is the screen-shot that I am trying:
Whenever I click any button, it shows the last name Ice-Cream every time. Anything that I missed here?

<asp:GridView ID="grdData" runat="server" AutoGenerateColumns="false">
<Columns>
<asp:TemplateField HeaderText="Id">
<ItemTemplate>
<asp:Label ID="lblId" runat="server" Text='<%# Eval("ProductId") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Name">
<ItemTemplate>
<asp:Label ID="lblName" runat="server" Text='<%# Eval("Name") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField>
<ItemTemplate>
<asp:Button ID="btnShow" runat="server" Text="Button" OnClick="btnShow_Click" CommandArgument='<%# Eval("Name") %>' />
</ItemTemplate>
</asp:TemplateField>
</Columns>
</asp:GridView>
<asp:Label ID="lblMsg" runat="server"></asp:Label>
protected void btnShow_Click(object sender, EventArgs e)
{
lblMsg.Text = (sender as Button).CommandArgument;
}

Related

File Upload control inside GridView

I have two file upload controls inside GridViewControl for uploading files, I have a button for uploading files inside gridview, I am using its RowCommandEvent for uploading files. How can I get values of fileupload controls in RowCommandEvent?
This is my GridView
<asp:GridView ID="DgFiles" runat="server" AutoGenerateColumns="false" OnRowCommand="DgFiles_RowCommand">
<Columns>
<asp:TemplateField HeaderText="Crime" ItemStyle-HorizontalAlign="Center">
<ItemTemplate>
<asp:Label ID="category" runat="server" Text='<%#DataBinder.Eval(Container.DataItem, "Category") %>' ></asp:Label><br/>
<asp:FileUpload ID="file1" runat="server" /><br />
<asp:FileUpload ID="file2" runat="server" />
<asp:Button ID="btnupload" runat="server" CommandName="upload" />
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Date" ItemStyle-HorizontalAlign="Center">
<ItemTemplate>
<asp:Label ID="lbldate" runat="server" Text='<%#DataBinder.Eval(Container.DataItem, "Date") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="City" ItemStyle-HorizontalAlign="Center">
<ItemTemplate>
<asp:Label ID="lblcity" runat="server" Text='<%#DataBinder.Eval(Container.DataItem, "City") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
</Columns>
</asp:GridView>
and my RowCommandEvent
protected void DgFiles_RowCommand(Object sender, GridViewCommandEventArgs e)
{
if (e.CommandName == "upload")
{
}
}
I have to display records in GridView like structure, with file upload control inside it, If there is alternate way I can do it, kindly suggest.

First,
You have to add a command column with command name upload
second,
You have to find the control inside the row by using parent property.
FileUpload fl1 = (FileUpload)e.Row[rowindex].Cells<cellindex>.FindControl("File1")
FileUpload fl2 = (FileUpload)e.Row[rowindex].Cells<cellindex>.FindControl("File2")
Now You can use fl1 and fl2 as your filecontrols.

I can't get the value of textbox from the footer row of gridview

i can't get the value of textbox from the footer row of gridview
<asp:GridView ID="GridView1" runat="server" Width="1214px"
AutoGenerateColumns="False" ShowFooter="true"
OnRowCommand="GridView1_RowCommand"
<Columns>
<asp:TemplateField HeaderText="Insert">
</asp:TemplateField>
<asp:TemplateField HeaderText="Student Name">
<EditItemTemplate>
<asp:Label ID="lblEditSName" runat="server" Text='<%#Eval("sname") %>'/>
</EditItemTemplate>
<ItemTemplate>
<asp:Label ID="lblSName" runat="server" Text='<%#Eval("sname") %>' />
</ItemTemplate>
<FooterTemplate>
<asp:TextBox ID="txtSName" runat="server"/>
</FooterTemplate>
</asp:TemplateField>
</Columns>
</asp:GridView>
and the code behind is........
i can't get the value of textbox from the footer row of gridview
protected void GridView1_RowCommand(object sender, GridViewCommandEventArgs e)
{
if (e.CommandName==("AddNew"))
{
TextBox txtName =(TextBox) GridView1.FooterRow.FindControl("txtSName");
string strName=txtName.Text; //strName is Empty while i m enters data into the textbox txtSName
}

Posting this comment to help others who may encounter the same issue.
Make sure the grid is not loading again on post back.
code in the page load should look like this
if (!IsPostBack)
{
LoadGrid();
}

Your mark up is biting you.You are having two footer templates within a template field.
Do this
<asp:TemplateField HeaderText="Insert">
<ItemTemplate>
<asp:ImageButton ID="EditImageButton" runat="server" CommandName="Edit"
ImageUrl="~/images/Edit.png"Style="height: 16px" ToolTip="Edit" />
</ItemTemplate>
<EditItemTemplate>
<asp:ImageButton ID="btnDelete" runat="server" CommandName="Delete"
CausesValidation="false" OnClientClick="return confirm('Delete.Are you sure you want to delete?')"
ImageUrl="~/images/DeleteTS.png" Text="Cancel" />
</EditItemTemplate>
<FooterTemplate>
<asp:ImageButton ID="AddNewImgBtn" runat="server" ImageUrl="~/images/saveHS.png"
ToolTip="Add New" AlternateText="Add New" Width="16px" Height="16px"
CommandArgument="InsertNew" ImageAlign="AbsMiddle" />
</FooterTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Student Name">
<EditItemTemplate>
<asp:Label ID="lblEditSName" runat="server" Text='<%#Eval("sname") %>' />
</EditItemTemplate>
<ItemTemplate>
<asp:Label ID="lblSName" runat="server" Text='<%#Eval("sname") %>' />
</ItemTemplate>
<FooterTemplate>
<asp:TextBox ID="txtSName" runat="server"/>
</FooterTemplate>
</asp:TemplateField>
</Columns>
</asp:GridView>
And then you can gracefully locate your footer row.
protected void GridView1_RowCommand(object sender, GridViewCommandEventArgs e)
{
if (e.CommandArgument=="InsertNew")
{
GridView testGrid=(Gridview)sender;
TextBox txtName =(TextBox)testGrid.FooterRow.FindControl("txtSName");
string strName=txtName.Text;
}
}
See working example Example

ASP.NET-C#: Inserting const into TextBox in Gridview

I have some problems inserting a const "1" into a textbox which is gridview.
The gridview code:
<asp:GridView ID="GridView2" runat="server" AutoGenerateColumns="False" EnableViewState="False">
<Columns>
<asp:BoundField DataField="Price" HeaderText="Price" ItemStyle-CssClass="price" >
<ItemStyle CssClass="price"></ItemStyle>
</asp:BoundField>
<asp:TemplateField HeaderText="ProductID">
<ItemTemplate>
<asp:Label ID="lblID" runat="server" Text='<%# Eval("ProductID") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="ProductName">
<ItemTemplate>
<asp:Label ID="lblName" runat="server" Text='<%# Eval("ProductName") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Summary">
<ItemTemplate>
<asp:Label ID="lblSum" runat="server" Text='<%# Eval("Summary") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="picPath">
<ItemTemplate>
<asp:Label ID="lblPic" runat="server" Text='<%# Eval("picPath") %>' ></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText = "quantity">
<ItemTemplate>
<asp:TextBox ID="lblquantity" runat="server" ></asp:TextBox>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText = "Total">
<ItemTemplate>
<asp:Label ID="lblTotal" runat="server" ></asp:Label>
</ItemTemplate>
</asp:TemplateField>
</Columns>
</asp:GridView>
All the information is populated from the session of the previous page, beside this textbox which doesn't comes from anywhere, it's a quantity textbox which the user should enter. And I want it to have a default value of "1".
I don't actually know how to insert into a textbox which is in the gridview.
Please help me.
Thanks

This may be because code is also checking for Header and footer template..
just put a null check before settings value...
TextBox tb = (TextBox)e.Row.FindControl("lblquantity");
if(tb!=null)
tb.Text = Convert.ToString(123);
This will surely work...

<asp:TemplateField HeaderText = "quantity">
<ItemTemplate>
<asp:TextBox ID="lblquantity" runat="server" Text='<%# Eval("quantity") == DBNull.Value ? "1" : Eval("quantity").ToString()' ></asp:TextBox>
</ItemTemplate>
</asp:TemplateField>
if quantity value is null in the table, then Text property will be default 1. Otherwise it will be quantity column in the table.

You can put chis code in your GridView's RowDataBound event...
TextBox tb = (TextBox)e.Row.FindControl("lblquantity");
tb.Text = Convert.ToString(123);
I hope this helps...

Referencing Controls inside am ajax Tab

I have an ajax tab which inside has a grid, on this grid there is a check box where the user has the ability to check it and assign it to a technician, but for some reason im unable to reference the control, the grid has a total of 4 rows so there is data there, this is my code which is run of a button click
protected void btnAllocate_click(object sender, EventArgs e)
{
foreach (System.Web.UI.Control s in tbHappyCall.Controls)
{
foreach (GridViewRow Row in gvHappyCall.Rows)
{
CheckBox chkAllocate = (CheckBox)Row.FindControl("chkAllocate");
if (chkAllocate.Checked)
{
HyperLink lblOrderID = (HyperLink)Row.FindControl("hyperOrderID");
HappyCallManager objHappyCallManager = new HappyCallManager();
objHappyCallManager.HappyCallAllocated(Convert.ToInt64(lblOrderID.Text), objWebuser.ShortAbbr, ddlAllocateTo.SelectedValue);
//Update database with person details thats are assigned to the Welcome Call
}
}
}
}
when it goes on to the Foreach gridviewrow etc the count is 1 even though there is 4 rows displaying information ?
Can any one shed any light on this? or even better a solution?
Thank you for your time.
UPdate
<ajaxToolkit:TabPanel ID="tbHappyCall" runat="server" HeaderText="Welcome Calls" TabIndex="10">
<ContentTemplate>
<%--OnRowDataBound="gvConfirmOrder_rowDataBound"--%>
<div id="divHappyCall">
<asp:GridView ID="gvHappyCall" runat="server" AutoGenerateColumns="false" class="tablesorter"
EmptyDataText="There is no Record to display." DataKeyNames="OrderID" EnableViewState="false"
OnRowDataBound="gvHappyCall_RowDataBound">
<AlternatingRowStyle CssClass="NormalTextVNC" BackColor="#E2E9E7"></AlternatingRowStyle>
<Columns>
<asp:TemplateField HeaderText="Account Manager">
<ItemTemplate>
<asp:Label ID="lblAccountManager" CssClass="gvItem" runat="server" Text='<%# DataBinder.Eval(Container, "DataItem.AccountManager") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="OrderID">
<ItemTemplate>
<asp:HyperLink ID="hyperOrderID" runat="server" ForeColor="White" NavigateUrl='<%#Eval("OrderGuid","/Documents/HappyCall.aspx?OrderID={0}") %>'
Text='<%#Eval("OrderID") %>'></asp:HyperLink>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Customer Name">
<ItemTemplate>
<asp:Label ID="lblCustomerName" CssClass="gvItem" runat="server" Text='<%# DataBinder.Eval(Container, "DataItem.CustomerName") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Company Name">
<ItemTemplate>
<asp:Label ID="lblCompanyName" CssClass="gvItem" runat="server" Text='<%# DataBinder.Eval(Container, "DataItem.CompanyName") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Mobile Number">
<ItemTemplate>
<asp:Label ID="lblMobileNumber" CssClass="gvItem" runat="server" Text='<%# DataBinder.Eval(Container, "DataItem.MobileNumber") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Dispatch Date">
<ItemTemplate>
<asp:Label ID="lblConnectionDate" CssClass="gvItem" runat="server" Text='<%# DataBinder.Eval(Container, "DataItem.DespatchDate") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Status">
<ItemTemplate>
<asp:Label ID="lblStatus" CssClass="gvItem" runat="server" Text='<%# DataBinder.Eval(Container, "DataItem.Status") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:BoundField headertext="Date Called" dataformatstring="{0:dd/MM/yyyy}" datafield="EditedDate" HeaderStyle-Width="100px" />
<asp:TemplateField HeaderText="Allocated To">
<ItemTemplate>
<asp:Label ID="lblAllocatedTo" CssClass="gvItem" runat="server" Text='<%# DataBinder.Eval(Container, "DataItem.AllocatedTo") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<%--<asp:TemplateField HeaderText="Last Action">
<ItemTemplate>
<asp:Label ID="lblLAstAction" CssClass="gvItem" runat="server" Text='<%# DataBinder.Eval(Container, "DataItem.LastAction") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>--%>
<asp:TemplateField HeaderText="Check">
<ItemTemplate>
<asp:CheckBox runat="server" ID="chkAssignWelcomeCall" />
</ItemTemplate>
</asp:TemplateField>
</Columns>
</asp:GridView>
<asp:DropDownList runat="server" ID="ddlAllocateTo" CssClass="floatright">
<asp:ListItem>Name of Admin to Allocate</asp:ListItem>
</asp:DropDownList>
<div class="WhiteSpace"></div>
<asp:Button runat="server" ID="btnAllocate" class="floatright" Text="Allocate" OnClick="btnAllocate_click" />
</div>
</ContentTemplate>
</ajaxToolkit:TabPanel>

For clarification: you don't need to iterate the control collection of your TabPanel to find your GridView, it is available directly and don't confuse it's Controls.Count with the number of GridView.Rows.Count.
Is ViewState disabled somewhere?
Edit: I see that the GridView's ViewState is disabled. I assume that it works when you enable it.

Access EditItemTemplate from CodeBehind

I have problem dealing with EditItemTemplate.
What I am trying to do is to update my TextBox txt_name but I can't get what the user ingresses And I get the old value instead at the code-behind.
Am I missing something?
FRONT CODE
<asp:GridView ID="GridView_account" runat="server" AutoGenerateColumns="false" ShowFooter="True"
OnRowCancelingEdit="GridView_account_RowCancelingEdit" OnRowEditing="GridView_account_RowEditing"
OnRowUpdating="GridView_account_RowUpdating" OnRowCommand="GridView_account_RowCommand"
OnRowDeleting="GridView_account_RowDeleting" OnSelectedIndexChanged="GridView_account_SelectedIndexChanged"
DataKeyNames="UID" Height="110px" Width="497px">
<Columns>
<asp:TemplateField HeaderText="UID" SortExpression="UID">
<ItemTemplate>
<asp:Label ID="label_accid" runat="server" Text='<%# Bind("UID") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="User Name (required)" SortExpression="NyA">
<EditItemTemplate>
<asp:TextBox ID="txt_name" runat="server" Text='<%# Bind("NyA") %>'/>
</EditItemTemplate>
<FooterTemplate>
<asp:TextBox ID="txt_newname" runat="server"></asp:TextBox>
</FooterTemplate>
<ItemTemplate>
<asp:Label ID="label_name" runat="server" Text='<%# Bind("NyA") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Email Address (required)" SortExpression="eMail">
<EditItemTemplate>
<asp:TextBox ID="txt_email" runat="server" Text='<%# Bind("eMail") %>'></asp:TextBox>
</EditItemTemplate>
<FooterTemplate>
<asp:TextBox ID="txt_newemail" runat="server"></asp:TextBox>
</FooterTemplate>
<ItemTemplate>
<asp:Label ID="label_email" runat="server" Text='<%# Bind("eMail") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Options" ShowHeader="False">
<EditItemTemplate>
<asp:LinkButton ID="LinkButton_update" runat="server" CausesValidation="True" CommandName="Update"
Text="Update"></asp:LinkButton>
<asp:LinkButton ID="LinkButton_cancel" runat="server" CausesValidation="False" CommandName="Cancel"
Text="Cancel"></asp:LinkButton>
<asp:LinkButton ID="LinkButton_delete" runat="server" CausesValidation="False" CommandName="Delete"
Text="Delete"></asp:LinkButton>
</EditItemTemplate>
<FooterTemplate>
<asp:LinkButton ID="LinkButton_addnew" runat="server" CausesValidation="False" CommandName="AddNew"
Text="Add New"></asp:LinkButton>
</FooterTemplate>
<ItemTemplate>
<asp:LinkButton ID="LinkButton_edit" runat="server" CausesValidation="False" CommandName="Edit"
Text="Edit"></asp:LinkButton>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Manage Role" ShowHeader="False">
<ItemTemplate>
<asp:LinkButton ID="Selectbtn" runat="server" CausesValidation="False" CommandName="Select"
Text="Select"></asp:LinkButton>
</ItemTemplate>
</asp:TemplateField>
</Columns>
</asp:GridView>
CODE BEHIND
protected void GridView_account_RowUpdating(object sender, GridViewUpdateEventArgs e)
{
user u = Business.GetUser(((Label)GridView_account.Rows[e.RowIndex].FindControl("label_accid")).Text);
//HERE'S MY PROBLEM!
u.fullname = ((TextBox)GridView_account.Rows[e.RowIndex].FindControl("txt_name")).Text;
//txt_name is returning the old value and not the one the user has input recently.
Business.UpdateUser(u);
GridView_account.EditIndex = -1;
fillgridview();
}//

Are you checking if Page IsPostback when binding your grid? You need to not rebind it in the Page_Load if it is a post back, or else you will lose the new values, because the Page Init, Page Load events happen before other events, such as a Grid Updating event.

May be you are binding you grid on every page_load event. If so, you need something like this:
protected void Page_Load(object sender, EventArgs e)
{
if(!Page.IsPostBack)
{
GridView_account.DataSource = "data source";
GridView_account.DataBind();
}
}
or instead of
if(!Page.IsPostBack)
you can use
if (GridView_account.EditIndex == -1)
this checks, if grid is in edit mode. If grid is not in edit mode, you can bind your grid with data source.

Develop Reference

C# (C-Sharp) is a programming language developed by Microsoft that runs on the .NET Framework.

Specific Label Value From GridView - c#

Related

File Upload control inside GridView

I can't get the value of textbox from the footer row of gridview

ASP.NET-C#: Inserting const into TextBox in Gridview

Referencing Controls inside am ajax Tab

Access EditItemTemplate from CodeBehind

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