//Unavailable Radio Button click
/*****************************************************
* Title: DataGridView Sorting and Filtering
* Author: raps mk
* Site owner/sponsor: net-informations.com
* Date: 2016
* Availability: http://csharp.net-informations.com/datagridview/csharp-datagridview-filter.htm (Accessed 06 APRIL 2017)
* Modified: Identifiers rename
* *****************************************************/
private void radUnavailable_Click(object sender, EventArgs e)
{
//Variable to store OrderByValue by Calling getOrderByValue()
String strOrderByValue = getOrderByValue();
//Display DataView in grdBookList
dv = new DataView(ds.Tables["book"], "Book_Status = 'U'", strOrderByValue, DataViewRowState.CurrentRows);
grdBookList.DataSource = dv;
//Check if any data source return, if no data return display message
if (grdBookList.DataSource == null || grdBookList.RowCount == 0)
{
//Display Error Message
MessageBox.Show("No details found", "Message", MessageBoxButtons.OK, MessageBoxIcon.Error);
//Reload Data onto grid view
grdBookList.DataSource = Books.getAllBook(ds).Tables["book"];
//Reset search box
txtTitle.Text = "";
txtTitle.Focus();
radBookID.Checked = true;
radAll.Checked = true;
}
//End of [non-original or refactored] code
}
} //End Form Load
//Search Button
private void btnSearch_Click(object sender, EventArgs e)
{
//Get Search Book Title
String strTitle = txtTitle.Text;
//Validate Search Title if is empty
if (strTitle.Equals(""))
{
//Display error message
MessageBox.Show("Search field must not be empty", "Message", MessageBoxButtons.OK, MessageBoxIcon.Error);
txtTitle.Focus();
}
else
{
//Instantiate DataSet Object
ds = new DataSet();
//Declare Variable
String strOrder = "";
//Check if Radio Button is checked
if (radBookID.Checked)
{
strOrder = "BookID";
}
else if (radSubject.Checked)
{
strOrder = "SubjectCode";
}
else if (radTitle.Checked)
{
strOrder = "Title";
}
//Search Title and Load Data onto data grid
grdBookList.DataSource = Books.getBook(ds, strTitle, strOrder).Tables["book"];
//Check if any data source return, if no data return display message
if (grdBookList.DataSource == null || grdBookList.RowCount == 0)
{
//Display Error Message
MessageBox.Show("No details found", "Message", MessageBoxButtons.OK, MessageBoxIcon.Error);
//Reload Data onto grid view
grdBookList.DataSource = Books.getAllBook(ds).Tables["book"];
//Reset search box
txtTitle.Text = "";
txtTitle.Focus();
radBookID.Checked = true;
}
} //End Validate Search Title
} //End Search
} //End Search
//Reset UI
private void btnClear_Click(object sender, EventArgs e)
{
//Reset UI
txtTitle.Text = "";
txtTitle.Focus();
radBookID.Checked = true;
radAll.Checked = true;
//Display all Books
//Instantiate DataSet Object
DataSet ds = new DataSet();
//Load Data onto grid view
grdBookList.DataSource = Books.getAllBook(ds).Tables["book"];
} //End Clear Event
//Form Load
private void frmSearchBook_Load(object sender, EventArgs e)
{
//Instantiate DataSet Object
ds = new DataSet();
//Load Data onto grid view
grdBookList.DataSource = Books.getAllBook(ds).Tables["book"];
//Display Error Message if no details was found
if (grdBookList.DataSource == null || grdBookList.RowCount == 0)
{
//Display error message
MessageBox.Show("No details found", "Message", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
//Calling method to set style of the BookList GridView
setBookListStyle();
} //End Form Load
