Forms Data Controls :: Adding Row To GridView If Data Source Is Empty
Oct 12, 2010
I'm using a GridView to output some information regarding an account, specifically account balances. Problem is, if there is no balance linked to the account, I need for the grid to simply display 0 for each column. EmptyDataText isn't sufficient as the columns still need to be listed, but just have the value 0.
After researching it seems like I will need to add a dummy row to the gridview if it is empty, but how do I do this using C# and ASP? Quick note as well, not sure if it's relevant but the grid will only ever contain one row.
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[Code]....
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[Code]....
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<asp:GridView ID="comGrid" runat="server" DataSourceID="ComputerListSql"
AllowSorting="True" AutoGenerateColumns="False"
DataKeyNames="ObjectId" Width="960px"
onrowdatabound="comGrid_RowDataBound"
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<ItemStyle Width="12%" />
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<asp:BoundField DataField="ComputerName" HeaderText="Computer Name"
SortExpression="ComputerName" >
<ItemStyle Width="15%" />
</asp:BoundField>
<asp:BoundField DataField="UserName" HeaderText="User Name"
SortExpression="UserName" >
<ItemStyle Width="15%" />
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<asp:BoundField DataField="NtLogon" HeaderText="NT Logon"
SortExpression="NtLogon" >
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<asp:BoundField DataField="HddSize" HeaderText="Hdd Size" ReadOnly="True"
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SortExpression="SerialNo" >
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<asp:CheckBoxField DataField="Spare" HeaderText="Spare" ReadOnly="True"
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Set Spare</a></ItemTemplate>
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[Code]....
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[code]...
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<ContentTemplate>
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.........
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[Code]....
protected void gridView_PageIndexChanging(object sender, GridViewPageEventArgs e)
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I'm sure it was discussed hundred of times, but maybe this time will elucidate some new points )
The question is: do I need to limit number of selected rows in data source for GridView?
When I use paging in GridView does limiting selected rows make GridView work faster?
Now I use ObjectDataSource with Linq in functions.
[Code]....
Does this make sense or I can just use LinqDataSource without thinking of selected rows?
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[code]....
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Web References I using is :
[URL]
Protected void Button1_Click(object sender,
EventArgs e) {
DictService ds = new DictService();
ds.DefineAsync(TextBox1.Text);
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GridView1.DataBind();}
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2, If ther are not records in the table - saves record but cannot find and set controls on the detailsview Same thing setup in the EmptyData Template. The record is saved but I cannot Find and set the field value on the control.
1. Link button (on click) in the gridview footer (works fine)
protected void LinkButton1_Click1(object sender, EventArgs e)
{
string zupa1;
zupa1 = ddlSelectEmployee.SelectedValue;
try
{
DetailsView zupa = (DetailsView)gvTraining4.FooterRow.FindControl("DetailsView1"); TextBox zupa2 = (TextBox) zupa.FindControl("txtInsertEmployee");
zupa2.Text = zupa1;
}
catch
{
}
DetailsView dettraining = (DetailsView)gvTraining4.FooterRow.FindControl("DetailsView1");
TextBox training = (TextBox) dettraining.FindControl("txtTrainingType");
training.Text = "4";
}
2. EmptyDataTemplate.FindControl - can save record but cannot access txtInsertEmployee and txtTrainingType
DetailsView zupa = (DetailsView)gvTraining4.EmptyDataTemplate.FindControl("DetailsView1");TextBox
zupa2 = (TextBox)zupa.FindControl("txtInsertEmployee");TextBox
training = (TextBox)dettraining.FindControl("txtTrainingType");"4";
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Apr 9, 2010
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