private void btnGenerate_Click(object sender, EventArgs e)
{
if (string.IsNullOrEmpty(Convert.ToString(listDatabase.SelectedValue)))
{
MessageBox.Show(string.Format("Please Select Database Name"));
return;
}
else if (string.IsNullOrEmpty(txtQuery.Text))
{
MessageBox.Show(string.Format("Please Enter Query"));
return;
}
else
{
ConnectionString = ConnectionString + $"database={listDatabase.SelectedValue};";
var cmLibrary = new CommonLibrary.CommonLibrary();
var validationresult = cmLibrary.ValidateQuery(txtQuery.Text);
var validate = cmLibrary.ValidateQueryMustContain(txtQuery.Text);
if (string.IsNullOrEmpty(validationresult) && validate == false)
{
if (backgroundWorker1.IsBusy)
{
MessageBox.Show(@"Please Wait ... Process is under Exceution");
return;
}
else
{
backgroundWorker1.RunWorkerAsync(txtQuery.Text);
backgroundWorker1.ReportProgress(10, "Process Started");
}
}
else
{
MessageBox.Show(@"Please Enter Valid Query");
}
}
}
private void BindDatabases()
{
// ReSharper disable once RedundantAssignment
var dsDataTable = new DataTable();
var cmLibrary = new CommonLibrary.CommonLibrary();
dsDataTable = cmLibrary.BindDatabases(ConnectionString);
try
{
if (dsDataTable.Rows.Count <= 0)
{
return;
}
listDatabase.DataSource = dsDataTable;
listDatabase.DisplayMember = "NAME";
listDatabase.ValueMember = "NAME";
}
catch (Exception)
{
throw;
}
}
public void ProcessMethod(string query)
{
backgroundWorker1.ReportProgress(20, "Pulling Records from Database");
var dsTables = new DataTable();
try
{
DataColumn column = new DataColumn
{
DataType = System.Type.GetType("System.Int32"),
AutoIncrement = true,
AutoIncrementSeed = 1,
AutoIncrementStep = 1,
ColumnName = "___Id"
};
dsTables.Columns.Add(column);
using (var con = new MySqlConnection(ConnectionString))
{
con.Open();
var cmd = new MySqlCommand(query, con)
{
CommandTimeout = 0
};
var daTab = new MySqlDataAdapter(cmd);
daTab.Fill(dsTables);
backgroundWorker1.ReportProgress(30, "Pulling Records from Database");
}
// ReSharper disable once InvertIf
if (dsTables.Rows.Count > 0)
{
var minRow = Convert.ToInt32(dsTables.Compute("min([___Id])", string.Empty));
var maxRow = Convert.ToInt32(dsTables.Compute("max([___Id])", string.Empty));
backgroundWorker1.ReportProgress(50, "Processing Data");
var cmLibrary = new CommonLibrary.CommonLibrary();
var loopCount = cmLibrary.Listgenerator(minRow, maxRow);
for (var j = 0; j < loopCount.Count; j++)
{
int value = 50 + j;
int counter = 1;
counter = counter + j;
backgroundWorker1.ReportProgress(value, "Generating Files " + counter);
var fromtemp = loopCount[j].From;
var totemp = loopCount[j].To;
IEnumerable <DataRow> myDataPage =
from myrow in dsTables.AsEnumerable()
where myrow.Field <int>("___Id") >= fromtemp && myrow.Field <int>("___Id") <= totemp
select myrow;
var newDt = myDataPage.CopyToDataTable();
var count = j;
GenerateSheet(newDt, count, "QueryGenerated", loopCount.Count);
}
backgroundWorker1.ReportProgress(100, "Process Completed");
}
}
catch (Exception)
{
var message = "1. Choose Proper Database" + Environment.NewLine + "2. Optimize Query" +
Environment.NewLine + "3. " + "check Query Once";
MessageBox.Show(@message);
}
finally
{
dsTables.Dispose();
}
}
