I am working on importing data from an Excel sheet to database. The Excel sheet contains few empty rows and I want to remove those empty rows, then insert cleared data into database.
I have written a code by referring other code, this is the code for inserting values:
OleDbConnection cnn = new OleDbConnection(@"Provider=Microsoft.Jet.OLEDB.4.0;Data Source='" + txtExcelFile.Text + "';Extended Properties= 'Excel 8.0;HDR=Yes;IMEX=1'");
//DataTable dt = new DataTable();
try
{
cnn.Open();
OleDbDataAdapter data = new OleDbDataAdapter("select * from [Customers$]", cnn);
data.Fill(dsExcel);
dgvCustomers.ColumnHeadersVisible = false;
SqlConnection connection = new SqlConnection("Data Source=COMPUTER-8EB749;Initial Catalog=KITS;Integrated Security=true");
connection.Open();
for (int i = 0; i < dsExcel.Tables[0].Rows.Count; i++)
{
string ID = ds.Tables[0].Rows[i][0].ToString();
Int16 CustID = Convert.ToInt16(ID);
string CustName = dsExcel.Tables[0].Rows[i][1].ToString();
string CardScheme = dsExcel.Tables[0].Rows[i][2].ToString();
string Outlet = dsExcel.Tables[0].Rows[i][3].ToString();
string TerminalNum = dsExcel.Tables[0].Rows[i][4].ToString();
Int32 Terminal = Convert.ToInt32(TerminalNum);
string Date1 = dsExcel.Tables[0].Rows[i][5].ToString();
DateTime Date = Convert.ToDateTime(Date1);
string Time = dsExcel.Tables[0].Rows[i][6].ToString();
DateTime DateTime = Convert.ToDateTime(Time);
string Amount1 = ds.Tables[0].Rows[i][7].ToString();
double Amount = Convert.ToDouble(Amount1);
SqlCommand com = new SqlCommand("insert into Customer(CustID,CustName,CardScheme,Outlet,TerminalNum,TranDate,TranDateTime,Amount) values ('" + CustID + "','" + CustName + "','" + CardScheme + "','" + Outlet + "','" + Terminal + "','" + Date + "','" + DateTime + "','" + Amount + "')", connection);
com.ExecuteNonQuery();
}
connection.Close();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
finally
{
MessageBox.Show("Data Inserted Successfully.");
}
Can anyone say me how can I remove empty rows so that i can insert only data?!
C# code to delete empty rows from DataTable. First, we have to iterate over DataTable for this we use a reverse for loop, here we checked for the 1st column if its blanks will delete that row. And at the end with AcceptChanges(), our changes get saved. This is how we get cleaned datatable .
This will remove all rows that which each of it's columns contain either nothing or white space:
dataTable = dataTable.Rows
.Cast<DataRow>()
.Where(row => !row.ItemArray.All(field => field is DBNull ||
string.IsNullOrWhiteSpace(field as string)))
.CopyToDataTable();
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