I am using ASP.NET and VB to display a message(label) while the datalist is empty like this
<asp:Label ID="lblEmpty" Text="No Data To Display" runat="server" Visible='<%#bool.Parse((dlErgebnis.Items.Count==0).ToString()) %>'></asp:Label>
I am getting a error "the name bool is not declared".
What is causing this error?
I have a DataTable, one of the column data type is of type Bool or sql(Bit).
now i want to assign this value to a Bool variable/object or lets say i want to assign this to a checkbox, How do i do that
eg. not correct though
DataTable dt= new DataTable();
Bool a= dt.Rows[0]["IsApproved"];
cb.Checked=dt.Rows[0]["IsApproved"];
I would like to add a checkbox to my grid view to represent a bool property of the list the grid view is bound to.
I want to show a checked checkbox for true instead of just showing text of 'true' or 'false'
Is this possible. When I try to add the checkboxfield in the gridview wizard. The add button is grayed out when selecting checkboxfield
I have a sql database that on some field will have a empty string/field. I am using a Datalist to display my results. How do I not make the labels that are empty not display? Currently if the field is empty it will leave a space there which my goal is if the field is empty do not leave a white space instead move the other colunms up.
View 2 RepliesI have this code, how will I write the code so I can check if a textbox i empty? This way want work. Now it goes in if cellPhone != null all the time.
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Here is my code through which i can generate dynamically 2 checkbox group
DataTable dt = new DataTable();
DataList1.DataSource = dt;
DataList1.DataBind();
DataList2.DataSource = dt;
DataList2.DataBind();
Design Page
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There is two checkbox group which have same datasource, so in both case same checkbox are showing and also same event is firing for both. Here is the event code
protected void CheckBox_CheckedChanged(object sender, EventArgs e)
{
string OpService = ((CheckBox)sender).Text;
}
Now what i want to do is, while check one checkbox from the 1st checkbox group the same checkbox should be selected from the second checkbox group automatically, also if i deselect one checkbox that should be deselect from both checkbox group.
i create a sproc for validation username and email address lilke below:now i use this sproc like below:
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Error 6 The best overloaded method match for MisaghDataContext.usp_ValidUserNameEmail(string, string, ref bool?)' has some invalid arguments
I currently do something like...
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Now I know this works.. but what is the right way to have this? I don't want to be checking something twice instead of just having it written out once.
i'm using DataList to show records on Client Site of My web page i need to show a message when my DataList is empty .... is there a property of Datalist... How to show that message ?
View 1 RepliesI have an array of a server control type, and what I would like to do is check if there any elements set inside the array. How can you check inside if for instance an array has no elements set inside or the array is empty or only one or two?
View 4 RepliesI make SqlDataSource1.DataBind(); with some parameters on button click,
then I'm working with a Grid onDataBound();
but if my SqlDataSource1 returns empty data I've got an error even if I'm trying to check if (GridView2.HeaderRow.Cells.Count != 0) so I guess I need to check it on SqlDataSource1 someway.
how to check var variable is empty
View 3 RepliesIm using "string user = Database.GetMostRecentReply(id).Rows[0][2].ToString();" to get the username from the most recent reply in my forum.
But how do I check if the row is empty? Im using a try catch at the moment, but there must be a better way to do this.
How can i check if dataset is emty some thing like follows
if dataset=emty then
msgbox("NO table")
else
....
End if
I am importing excel files from root folder, when file not there then message should apeear to avoid collapsing application.
Code:
ry
Dim strExcelConn As String = System.Configuration.ConfigurationManager.ConnectionStrings.Item("ExcelConnection1").ToString()
Dim dbConn As New OleDbConnection(strExcelConn)
Dim strSQL As String
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how can i check to see if a value in my detailsview is empty? What i have now is not working.
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How can i check to see if ViewBag.Data is empty?
View 7 RepliesHow to check for grid view empty or not.
View 1 RepliesI have datalist in product.aspx page that bind from database and there is Repeater that bind from database... when I click on item from repeater it bind datalist... and I define Label =LBLerrorS that when there isn't any data in database it show this message="There isn't any Product"
below are code
<asp:Label ID="LBLerrorS" runat="server" CssClass="lblerrorS" Text="there isn't any product ." Visible="false"></asp:Label>
<asp:Repeater ID="RptWood" runat="server" >
<ItemTemplate> <li>
<a href='<%#"House.aspx?subset="+Eval("subset")+"&ID="+Eval("ID")+"&ListType="+(DataList1.Visible == true ? "Product" : "Store")%>'>
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In above code I put LBLerrorS.visible=true in else condition... problem is that whenever I select item from repeater it show lblerrors but I want it just show lblerrorS just when there isn't any data in database, actually I want when datalist is empty it show error .... How I can do it?
How to check FileUpload Control Empty or not?
I tried the following code,
But it was not working.
if ((this.FileUploadPanelToExcel !=null ))
I have set the value of an int parameter to the attribute of a textbox.The textbox can be empty or null, how to check whether the parameter is empty or null?
View 5 RepliesI have a sharepoint datetime control named date. Now how can i check whether the the field is empty or not;
i have the following code
if(date.ToString() != "")
{
lbl.Text = "Not Empty";
}
i did not enter any date in that field but the above code is always executed.
it always have the current date.
How can i assgin empty string to selectedDate propert of Sharepoint DateTime Control?
i want if there wasn't any thing to show in datalist it show some text in datalist like
"there isn't any thing to show" how i can do it?
How to check if an a field is not empty, and show a link? i tried something like this but i get error.
<asp:ListView ID="ListView1" runat="server">
<LayoutTemplate>
<asp:PlaceHolder ID="itemPlaceholder" runat="server"></asp:PlaceHolder>
</LayoutTemplate>
<ItemTemplate>
<h2><%#Eval("NC_Title") %></h2>
<%#Eval("NC_StartDate") %>
<p><%#Eval("NC_Abstract") %></p>
<%if(Eval("NC_Description").ToString().Length > 0)
{
%><a href="">Read more...</a><%
}%>
</ItemTemplate>
</asp:ListView>
i'm trying to check for an empty cell in a gridview.
On the RowDataBound event I tried the following:
- if (String.IsNullOrEmpty(e.Row.Cells[2].Text.Trim()))
- if (String.IsNullOrEmpty(e.Row.Cells[2].Text))
- if (e.Row.Cells[2].Text == "")
None of them worked.
I'm using boundfields. I can't use a TemplateField with a label because I need to check for other stuff for that column in the RowDataBound event by doing e.Row.Cells[2].Text - that only works if I use boundfields.
How do I check if my value is empty AND Isnull? I need to check for both, using ISNULL is not enough because the data can change just so that it is empty.
how I can change my query to accommodate this?
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