show or hide nested table views RadGrid SP1 Q1 2009

protected void ShowOrHideNestedTableView()
{
foreach (GridDataItem CS in rgABC.Items)
{

if (CS.OwnerTableView.Name == "AAA")
{
if (cb123.Checked)
{
CS.Parent.Visible = true;
CS.Visible = true;
}
else
{
CS.Parent.Visible = false;
CS.Visible = false;
}
}

}
}

protected void rgScheduleList_PreRender(object sender, EventArgs e)
{
ShowOrHideNestedTableView();
}

aspx c# open new window in button click event when the button is placed inside an ajax update panel

val1 is an integer
val2 is a boolean

System.Text.StringBuilder sb = new System.Text.StringBuilder();
sb.Append("window.open(abc.aspx?val1=" + val1Value.ToString() + "');");
ScriptManager.RegisterClientScriptBlock(this.upd1, this.upd1.GetType(), "abc", sb.ToString(), true);

aspx passing on multiple parameter values in URL

val1 is an integer
val2 is a boolean


in page 1:

aspx:

c#:
RadAjaxManager.GetCurrent(Page).ResponseScripts.Add("xxx('" + val1+ "',true);");

in page 2
c#
if (!string.IsNullOrEmpty(Request["val2"]))
{
if (bool.Parse(Request["val2"]))
----logic here---------
}


if (!string.IsNullOrEmpty(Request["val1"]))
{
if (int.Parse(Request["val1"])>0)
----logic here---------
}

COALESCE

use COALESCE to manage a nullable db value, reference:
http://msdn.microsoft.com/en-us/library/ms190349.aspx

Error: Could not load file or assembly 'Telerik.Web.UI, Version=2009.1.402

Error: Could not load file or assembly 'Telerik.Web.UI, Version=2009.1.402.X, Culture=neutral, PublicKeyToken=XXXX' or one of its dependencies

Found some useful sources here:

This is the one helped me to solve my problem

Another one here

one more

Another one here Here

making radgrid filters case insensitive

GroupingSettings-CaseSensitive="false"

locate and hide BoundField in gridview asp.net c#

protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)
{
if (e.Row.RowType == DataControlRowType.DataRow)
{
if (Convert.ToString(DataBinder.Eval(e.Row.DataItem, "ABC")) == "Text To Be Found")
e.Row.Visible = false;
}
}

RadGrid hide column in export

RadGrid1.MasterTableView.Columns.FindByUniqueName("ABC").Visible = false;

sorting problem - RadGrid GridTemplateColumn

my code that has problem sorting template columns:



the instruction says "the SortExpression value should match the data field you want to sort on (typically the field a control in the template is bound to)". I made sure this rule is applied but the problem remained. Then I removed the HeaderTemplate components, instead I added value to HeaderText property in the GridTemplateColumn level. This solved the problem, not sure why though.....

the new code looks like:
...........
.......

RadGrid Insert UserControl does not close automatically after insert

use the following code below, make sure the CommandName on the Insert Button on the UserControl is named "PerformInsert"

protected void ABC_ItemCommand(object source, Telerik.Web.UI.GridCommandEventArgs e) 

{  

if (e.CommandName == "PerformInsert")  

{  

//make sure the insert user control closes automatically after inserted

e.Item.OwnerTableView.IsItemInserted = false;  

} 

}

ASP.NET How to deal with the message: error connecting to undo manager of source file "........"

* Delete the .designer.cs file
* convert the .aspx or ascx file into a webapplication by right clicking on it

Checked=' < % # DataBinder.Eval( Container, "DataItem.Active" ) % >'

C# Convert String to Guid

Guid ProductID = new Guid(String)

pre-populate value into RadGrid Insert

protected void RadGrid1_ItemCommand(object source, GridCommandEventArgs e)
{
if (e.CommandName == RadGrid.InitInsertCommandName)
{
//enter the code here
}
}
protected void RadGrid1_ItemDataBound(object sender, GridItemEventArgs e)
{
if (e.Item is GridEditFormInsertItem && RadGrid1.MasterTableView.IsItemInserted)
{
GridEditFormInsertItem insertItem = (GridEditFormInsertItem)e.Item;
(insertItem["abc"].Controls[0] as TextBox).Text = "hello world";
}
}

Visual Studio 2005 bug in ASP.NET applications

my web.config has multiple connection strings.
when I right click on a table adapter in a dataset in design view, select "configure...", the dataset configuration window pops up. Naturally you'd just make the changes that you want to the query and click on Finish. If this table adapter doesn't use the first connection string listed in the web.config, visual studio will automatically change the connection string to the first one listed in the web.config.

In order to fix the problem when you first open up the configuration window click on Previous to go back to the connection string selection view, RESELECT the connection string. If you happened to encounter this error until this stage right click on the empty area of the dataset design view and select View Code. Then delete the unused connection string.

ipconfig not working in cmd mode - Vista issue

when i tried to enter ipconfig in cmd mode it says: not valid command.

the solution is: right click on the cmd program and select "run as administrator".

why couldn't Vista run my programs as administrator when i logged in as administrator? this is stupid!

Compare mobile phone Cap Plans

found this tool very useful
http://www.mobchoice.com.au/compare-cap-plans-spreadsheet

string.format new line partially works (C#, ASP.NET)

see below my code. every "\n" works fine except the ones after "Event: {0}" and "Start Date: {1:D}", basically the Event, Start Date and End Date are printed on same line. can anyone help please? thanks in advance.

string.Format(



"Schedule Details: \n" +

"Event: {0}\n"+


"Start Date: {1:D} \n" +

"End Date: {2:D} \n" +

"Location: {3} \n"


,schedule.event,
schedule.startDate,
schedule.endDate,
schedule.location);

I tried ""Event: {0}"+ Environment.NewLine" and "Event: {0}\r" and "Event: {0}/r/n" got the same result
==============

Schedule Details:

Event: Basketball Match Start Date: Friday, 1 May 2009 End Date: Tuesday, 30 June 2009

Location: Como
================

Then I tried "Event: {0}\n"+ Environment.NewLine" and "Event: {0}\r"+ Environment.NewLine" and "Event: {0}/n/r" got this result (an additional line)
==============


Schedule Details:

Event: Basketball Match

Start Date: Friday, 1 May 2009 End Date: Tuesday, 30 June 2009

Location: Como
================

It seems that it works either for no newline or 2 new lines, but not for 1 newline. I tried to take out "Event" everything else worked just fine, so the problem must be with "Event"?

The Event has datatype of "string", startDate and endDate are datetime, location is string. A sample of Event value is "Attend Class Certificate III in Basketball".

Eventually the problem is solved, not sure why though.....:

I put single quotes around the Event value, not sure how exactly but it worked.
"Event: '{0}'\n"+

select checkboxlist based on to database data

foreach(datarow in the query result)
{

ListItem currentCheckBox = CheckBoxListABC.Items.FindByValue(datarow ["TheFieldName"].ToString());
if (currentCheckBox != null)
{
currentCheckBox.Selected = true;
}
}

ASP.NET C# capitalize the first letter of a string

using System.Globalization;
..
..
..
..
..
string ManipulatedString= CultureInfo.CurrentCulture.TextInfo.ToTitleCase("OriginalString");