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How to format Time in GridDateTimeColumn?

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Grid

This is a migrated thread and some comments may be shown as answers.

14 Answers, 1 is accepted

answered on 16 Jan 2014, 05:24 PM

I got the exception "Input string was not in a correct format."
This is how I query data:

DataTable dt = new DataTable();

using (SqlConnection con = new SqlConnection(connectionString))

{

using (SqlCommand cmd = new SqlCommand("usp_GetData", con))

{

cmd.CommandType = CommandType.StoredProcedure;

cmd.Parameters.AddWithValue("@ExecutionDate", RadSelectToDoDate.SelectedDate);

using (SqlDataAdapter sda = new SqlDataAdapter())

{

cmd.Connection = con;

con.Open();

sda.SelectCommand = cmd;

sda.Fill(dt);

return dt;

}

Regards,
Oleg

answered on 17 Jan 2014, 09:53 AM

Hi Oleg,

Make sure that your column is of DateTime datatype. Below is a sample code snippet that i tried to fill the radgrid with the value selected from a dropdownlist. Please provide your full code snippet if this doesn't help:

ASPX:

<asp:DropDownList ID="DropDownList1" runat="server" DataSourceID="SqlDataSource1"

DataTextFormatString="{0:t}" DataTextField="OrderDate" DataValueField="OrderDate"

AutoPostBack="true" OnSelectedIndexChanged="DropDownList1_SelectedIndexChanged">

</asp:DropDownList>

<telerik:RadGrid ID="RadGrid1" runat="server" AutoGenerateColumns="false" AllowPaging="true"

AllowMultiRowSelection="true" OnNeedDataSource="RadGrid1_NeedDataSource">

<MasterTableView>

<Columns>

<telerik:GridDateTimeColumn DataField="OrderDate" FilterControlAltText="Filter OrderDate column"

DataFormatString="{0:t}" HeaderText="OrderDate Time" UniqueName="OrderDate" PickerType="TimePicker">

</telerik:GridDateTimeColumn>

</Columns>

</MasterTableView>

</telerik:RadGrid>

C#:

bool IsSelected = false;

protected void RadGrid1_NeedDataSource(object sender, GridNeedDataSourceEventArgs e)

{

cmd.Connection = conn;

cmd.CommandType = CommandType.StoredProcedure;

cmd.CommandText = "StoredProcedure2";

if (IsSelected)

{

cmd.Parameters.AddWithValue("@OrderDate", DropDownList1.SelectedItem.Text);

}

else

{

cmd.Parameters.AddWithValue("@OrderDate", 4);

}

DataSet dt = new DataSet();

SqlDataAdapter adp = new SqlDataAdapter();

conn.Open();

adp.SelectCommand = cmd;

adp.Fill(dt);

RadGrid1.DataSource = dt;

conn.Close();

}

protected void DropDownList1_SelectedIndexChanged(object sender, EventArgs e)

{

IsSelected = true;

RadGrid1.Rebind();

}

Thanks,
Shinu

answered on 09 Jun 2016, 08:53 AM

Hi ,

<telerik:GridDateTimeColumn CurrentFilterFunction="GreaterThanOrEqualTo" HeaderText="Start_Time" DataField="Start_Time" DataType="System.DateTime" EditDataFormatString="HH:mm:ss" FilterControlAltText="Filter Start_Time column" FilterDateFormat="HH:mm:ss" PickerType="TimePicker" UniqueName="Shift_Start_Time">
</telerik:GridDateTimeColumn>

SQL database binding with entity framework, I have start_time column with datatype= time(7) , if I use datetime as datatype I can able to edit and save, but when I use system.timespan in radgrid or time(7)in database table. I am facing this issue.

I want to know for inserting and updating a time 24hrs format what can I do, using radgrid and entity framework.

answered on 09 Jun 2016, 11:10 AM

Thanks vasil for your support,

I tried that demo link which you have sent. but while updating and adding new record I'm facing issue.

find the codes below,

<telerik:RadGrid ID="RadGrid1" runat="server" AllowAutomaticDeletes="True" AllowAutomaticInserts="True" AllowAutomaticUpdates="True" AllowPaging="True" AutoGenerateDeleteColumn="True" AutoGenerateEditColumn="True" DataSourceID="EntityDataSource1">

<GroupingSettings CollapseAllTooltip="Collapse all groups"></GroupingSettings>

<ExportSettings ExportOnlyData="True" IgnorePaging="True">

</ExportSettings>

<MasterTableView AutoGenerateColumns="False" DataKeyNames="ID" DataSourceID="EntityDataSource1" EditMode="InPlace" CommandItemDisplay="Top">

<CommandItemSettings ShowExportToExcelButton="True" />

<Columns>

<telerik:GridBoundColumn DataField="ID" DataType="System.Int64" FilterControlAltText="Filter ID column" HeaderText="ID" ReadOnly="True" SortExpression="ID" UniqueName="ID">

</telerik:GridBoundColumn>

<telerik:GridBoundColumn DataField="Shift_Name" FilterControlAltText="Filter Shift_Name column" HeaderText="Shift_Name" SortExpression="Shift_Name" UniqueName="Shift_Name">

</telerik:GridBoundColumn>

<telerik:GridDateTimeColumn CurrentFilterFunction="GreaterThanOrEqualTo" HeaderText="Start_Time" DataField="Start_Time" DataType="System.DateTime" EditDataFormatString="HH:mm:ss" FilterControlAltText="Filter Start_Time column" FilterDateFormat="HH:mm:ss" PickerType="TimePicker" UniqueName="Shift_Start_Time">

                    </telerik:GridDateTimeColumn>

                      <telerik:GridDateTimeColumn CurrentFilterFunction="GreaterThanOrEqualTo" HeaderText="End_Time" DataField="End_Time" DataType="System.DateTime" EditDataFormatString="HH:mm:ss" FilterControlAltText="Filter End_Time column" FilterDateFormat="HH:mm:ss" PickerType="TimePicker" UniqueName="End_Time">

                    </telerik:GridDateTimeColumn>

<telerik:GridCheckBoxColumn DataField="IsActive" FilterControlAltText="Filter IsActive column" HeaderText="IsActive" SortExpression="IsActive" UniqueName="IsActive">

</telerik:GridCheckBoxColumn>

</Columns>

</MasterTableView>

</telerik:RadGrid>

<asp:EntityDataSource ID="EntityDataSource1" runat="server" ConnectionString="name=dbEntities" DefaultContainerName="dbEntities" EnableDelete="True" EnableFlattening="False" EnableInsert="True" EnableUpdate="True" EntitySetName="Shift" EntityTypeFilter="Shift">

</asp:EntityDataSource>

<telerik:RadScriptManager ID="RadScriptManager1" Runat="server">

</telerik:RadScriptManager>

I have datatype for start_time and end_time as time(7) in my database. Here If I click to edit it is showing Error while setting property 'Shift_End_Time': 'Cannot convert the value of parameter 'Shift_End_Time' to the type 'System.TimeSpan'.'

Also I want to add other column values in the same record while I am editing( like last_updated_time),but I don't want that column to be displayed in grid, by codebehind/some solutions to save the other columns in database,just to be happen same while updating and adding new records it should automatically save last_updated_time.

Thanks,

Archie

answered on 09 Jun 2016, 11:36 AM

Hi Archana,

Did you tried the TemplateColumn instead of DateTimeColumn:

<telerik:GridTemplateColumn HeaderText="Additional times" UniqueName="TemplateColumn1">

<ItemTemplate>

<asp:Label runat="server" ID="time" Text='<%# Eval("Shift_End_Time") %>'>

</asp:Label>

</ItemTemplate>

<EditItemTemplate>

<telerik:RadTimePicker UseTimeSpanForBinding="true" ID="picker2" runat="server" DbSelectedDate='<%# Bind("Shift_End_Time") %>' >

</telerik:RadTimePicker>

</EditItemTemplate>

</telerik:GridTemplateColumn>

I have also noticed that you call the column "Start_Time" and "Shift_Start_Time", make sure it is addressed correctly.

Regards,
Vasil
Telerik

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answered on 13 Jun 2016, 07:33 AM

Thanks Vasil, This works Perfectly!!

I'm facing one more issue, could you please help me out!!!

1) I want to insert created datetime and last updated datetime in entity database table when ever I insert or update a record??

but this columns I don't want to be visible in radgrid. It should be done in code behind automatically when I insert a new record/ update a record.

2) Dropdown with manual binding is not allowing me to insert/update, attached my code snippets below,

<telerik:GridTemplateColumn UniqueName="CheckBoxCol1" HeaderText="Reason_Type" >

<ItemTemplate>

<%# DataBinder.Eval(Container.DataItem, "Reason_Type")%>

</ItemTemplate>

<EditItemTemplate>

<telerik:RadComboBox ID="RadReasonType" Runat="server">

<Items>

<telerik:RadComboBoxItem Value="Downtime" Text="Downtime" />

<telerik:RadComboBoxItem Value="Rework" Text="Rework" />

<telerik:RadComboBoxItem Value="Rejection" Text="Rejection" />

</Items>

</telerik:RadComboBox>

</EditItemTemplate>

</telerik:GridTemplateColumn>

Let me know,where I'm wrong and what to change further...

Thanks in advance,

Archie