private void cmdCloseComplaintGenerate_Click(object sender, System.EventArgs e)
{
try
{
/*checking whether given reference number exists or not */
strCommandString = "select ref_num from complaints_new_tb where ref_num='" + txtCloseComplaintRefNum.Text + "'";
bool blnResult = ComplaintsDB.CheckForExistance(strConnectionString, strCommandString);
if (!blnResult)
{
lblCloseComplaintRefNumMsg.Text = "Entered reference number doesn't exist";
return;
}
/* checking whether complaint with given reference number is tried for assignment or not */
strCommandString = "select ref_num from complaints_assignment_tb where ref_num='" + txtCloseComplaintRefNum.Text + "'";
blnResult = ComplaintsDB.CheckForExistance(strConnectionString, strCommandString);
if (!blnResult)
{
lblCloseComplaintRefNumMsg.Text = "Complaint for given reference number is not yet assigned ";
return;
}
/*checking status of complaint with given reference number */
strCommandString = "select status from complaints_assignment_tb where ref_num='" + txtCloseComplaintRefNum.Text + "'";
string strStatus = ComplaintsDB.FetchScalar(strConnectionString, strCommandString);
if (strStatus.Equals("PENDING"))
{
lblCloseComplaintRefNumMsg.Text = "Complaint for given reference number is not yet assigned bcz of non availability of linemen";
return;
}
else if (strStatus.Equals("CLOSED"))
{
lblCloseComplaintRefNumMsg.Text = "complaint already closed";
return;
}
/*retrieving assigned date and delay reason for entered reference number */
strCommandString = "select assign_date,delay_reason from complaints_assignment_tb where ref_num='" + txtCloseComplaintRefNum.Text + "'";
DataSet dataSet = ComplaintsDB.FetchDataSet(strConnectionString, strCommandString, "complaints_assignment_tb");
txtCloseComplaintAssignedDate.Text = dataSet.Tables ["complaints_assignment_tb"].Rows [0]["assign_date"].ToString();
txtCloseComplaintDelayReason.Text = dataSet.Tables ["complaints_assignment_tb"].Rows [0]["delay_reason"].ToString();
cmdCloseComplaintClose.Enabled = true;
}
catch (Exception exception)
{
lblCloseComplaintClosedDateMsg.Text = "insertion failed:" + exception.Message.ToString();
return;
}
}
private void cmdLogin_Click(object sender, System.EventArgs e)
{
/*checking whether user is valid or not based on credentials entered*/
strCommandString = "select user_id from complaints_users_tb where user_id='" + txtUserID.Text + "' and passwd='" + txtPasswd.Text + "'";
bool blnResult = ComplaintsDB.CheckForExistance(strConnectionString, strCommandString);
if (blnResult) /*user exists */
{
/*creating session for user*/
Session ["user_id"] = txtUserID.Text;
if (int.Parse(txtUserID.Text) > 100)
{
Response.Redirect("Welcome.html");
}
else
{
Response.Redirect("Welcome_JE.aspx");
}
}
else /*user doesn't exist*/
{
Response.Write("Invalid User");
}
}
private void cmdAssignmentAssign_Click(object sender, System.EventArgs e)
{
/* checking whether given reference number is existing or not*/
strCommandString = "select ref_num from complaints_new_tb where ref_num='" + txtAssignmentRefNum.Text + "'";
bool blnResult = ComplaintsDB.CheckForExistance(strConnectionString, strCommandString);
if (!blnResult)
{
lblAssignmentRefNumMsg.Text = "Entered complaint reference number doesn't exist";
return;
}
/* checking whether assign date has choosen or not */
if (cboAssignmentLinemanNum.Items.Count > 0)
{
if (txtAssignmentAssignDate.Text.ToString().Trim().Equals(""))
{
lblAssignmentAssignDateMsg.Text = "Select assign date";
return;
}
/* comparing complaint given date and date to be assigned */
/*fetching complaint given date for entered refernce number */
lblAssignmentRefNumMsg.Text = "";
strCommandString = "select given_date from complaints_new_tb where ref_num='" + txtAssignmentRefNum.Text + "'";
string strDate_first_string = ComplaintsDB.FetchScalar(strConnectionString, strCommandString);
int intFlag = ComplaintsDB.CompareDates(strConnectionString, strCommandString, txtAssignmentRefNum.Text, strDate_first_string, txtAssignmentAssignDate.Text, "complaints_validateDates_proc");
if (intFlag < 0) /* invalid assign date */
{
lblAssignmentAssignDateMsg.Text = "date to be assigned is before complaint given date";
return;
}
}
/* checking whether complaint with given reference number is considered for assignment */
strCommandString = "select count(ref_num) from complaints_assignment_tb where ref_num='" + txtAssignmentRefNum.Text + "'";
int intCount = ComplaintsDB.CheckForDuplicates(strConnectionString, strCommandString);
if (intCount == 1) /*reference number existing and now cheking for 'PENDING' status */
{
if (cboAssignmentLinemanNum.Items.Count != 0) /* linemen available for assignment */
{
try
{
/* if no lineman number is selected */
if (cboAssignmentLinemanNum.SelectedIndex <= 0)
{
Label1.Text = "select lineman number";
return;
}
/* checking whether complaint with given reference number is already assigned or not*/
/* query for getting status for given reference number */
strCommandString = "select status from complaints_assignment_tb where ref_num='" + txtAssignmentRefNum.Text + "'";
/* getting status for given reference number */
string strStatus = ComplaintsDB.FetchScalar(strConnectionString, strCommandString);
if (strStatus.Equals("ALLOTTED") | strStatus.Equals("CLOSED"))
{
lblAssignmentMsg.Text = "Already assigned";
return;
}
/* not yet assigned */
/* assigning work to selected lineman and updating required fileds in assignment table */
strCommandString = "update complaints_assignment_tb set lineman_num='" + cboAssignmentLinemanNum.Items [cboAssignmentLinemanNum.SelectedIndex] + "',status='ALLOTTED',assign_date='" + txtAssignmentAssignDate.Text + "',delay_reason='delayed-no lineman is available' where ref_num='" + txtAssignmentRefNum.Text + "'";
ComplaintsDB.ChangeStatus(strConnectionString, strCommandString);
/* updating the status of selected lineman to 'ALLOTTED' */
strCommandString = "update complaints_linemen_tb set status='ALLOTTED' where lineman_num='" + cboAssignmentLinemanNum.Items [cboAssignmentLinemanNum.SelectedIndex] + "'";
ComplaintsDB.ChangeStatus(strConnectionString, strCommandString);
Response.Redirect("assignmentSuccess.aspx");
}
catch (Exception exception)
{
lblAssignmentMsg.Text = "insertion failed" + exception.Message.ToString();
return;
}
}
else
{
lblAssignmentMsg.Text = "This complaint is already in pending status";
return;
}
}
else /* not already assigned */
{
if (cboAssignmentLinemanNum.Items.Count == 0) /* no lineman available to allot */
{
// checking whether delay reason is entered
if (txtAssignmentDelayReason.Text.Trim().Equals(""))
{
lblAssignmentMsg.Text = "enter delay reason";
return;
}
/* query to perform insertion when no lineman is available */
strCommandString = "insert into complaints_assignment_tb values('" + txtAssignmentRefNum.Text + "',null,null,'" + txtAssignmentDelayReason.Text + "','PENDING')";
}
else /* lineman is available to allot */
{
try
{
if (cboAssignmentLinemanNum.SelectedIndex < 1) /* if no lineman number is selected */
{
Label1.Text = "select lineman number";
return;
}
/*updating selected lineman status to 'ALLOTTED' */
strCommandString = "update complaints_linemen_tb set status='ALLOTTED' where lineman_num='" + cboAssignmentLinemanNum.Items [cboAssignmentLinemanNum.SelectedIndex] + "'";
ComplaintsDB.ChangeStatus(strConnectionString, strCommandString);
/*query to perform insertion when lineman is available */
strCommandString = "insert into complaints_assignment_tb values('" + txtAssignmentRefNum.Text + "','" + txtAssignmentAssignDate.Text + "','" + cboAssignmentLinemanNum.Items [cboAssignmentLinemanNum.SelectedIndex] + "',null,'ALLOTTED')";
}
catch (Exception exception)
{
lblAssignmentMsg.Text = "error while insertion:" + exception.Message.ToString();
return;
}
}
/* performing insertion */
blnResult = ComplaintsDB.FetchBoolean(strConnectionString, strCommandString);
if (blnResult)
{
Response.Redirect("assignmentSuccess.aspx");
}
else
{
Label1.Text = "failed";
}
}
}
