hi all,
Im trying to insert and update in datagridview using c# but what happening when i inserted one row into datagridview it inserted multiple same row in table when i try to update one row its updated all row in table actually im not getting why this happening pasting my code here (for refernce i attaching screenshot also)
insert code :
private void dataGridView1_RowLeave(object sender, DataGridViewCellEventArgs e)
{
string connectionString = null;
connectionString = ConfigurationManager.ConnectionStrings["AccessConnectionString"].ConnectionString;
con.ConnectionString = connectionString;
string cmd1 = "insert into Ledger([AccountNumber],[Account],[Date],[Description],[Post_Ref],[Debit],[Credit],[Balance])values(?,?,?,?,?,?,?,?)";
OleDbCommand cmd = new OleDbCommand(cmd1, con);
con.Open();
cmd.CommandType = CommandType.Text;
int accountNumber;
bool accountHasValue = int.TryParse(dataGridView1.Rows[e.RowIndex].Cells["AccountNumber"].Value.ToString(), out accountNumber);
if (accountHasValue)
{
cmd.Parameters.AddWithValue("@AccountNumber", accountNumber);
}
else
{
cmd.Parameters.AddWithValue("@AccountNumber", DBNull.Value);
}
string accounts = dataGridView1.Rows[e.RowIndex].Cells["Account"].Value.ToString();
cmd.Parameters.AddWithValue("@Account", accounts);
DateTime datetime;
bool dateTimeHasValue = DateTime.TryParse(dataGridView1.Rows[e.RowIndex].Cells["Date"].Value.ToString(), out datetime);
if (dateTimeHasValue)
{
cmd.Parameters.AddWithValue("@Date", datetime);
}
else
{
cmd.Parameters.AddWithValue("@Date", DBNull.Value);
}
string Description = dataGridView1.Rows[e.RowIndex].Cells["Description"].Value.ToString();
cmd.Parameters.AddWithValue("@Description", Description);
string Post_Ref = dataGridView1.Rows[e.RowIndex].Cells["Post_Ref"].Value.ToString();
cmd.Parameters.AddWithValue("@Post_Ref", Post_Ref);
int debit;
bool debitHasValue = Int32.TryParse(dataGridView1.Rows[e.RowIndex].Cells["Debit"].Value.ToString(), out debit);
if (debitHasValue)
{
cmd.Parameters.AddWithValue("@Debit", debit);
}
else
{
cmd.Parameters.AddWithValue("@Debit", DBNull.Value);
}
int Credits;
bool CreditsHasValue = Int32.TryParse(dataGridView1.Rows[e.RowIndex].Cells["Credit"].Value.ToString(), out Credits);
if (CreditsHasValue)
{
cmd.Parameters.AddWithValue("@Credit", Credits);
}
else
{
cmd.Parameters.AddWithValue("@Credit", DBNull.Value);
}
int Balances;
bool BalancesHasValue = Int32.TryParse(dataGridView1.Rows[e.RowIndex].Cells["Balance"].Value.ToString(), out Balances);
if (BalancesHasValue)
{
cmd.Parameters.AddWithValue("@Balance", Balances);
}
else
{
cmd.Parameters.AddWithValue("@Balance", DBNull.Value);
}
cmd.ExecuteNonQuery();
con.Close();
}
update code:
private void dataGridView1_CellValueChanged(object sender, DataGridViewCellEventArgs e)
{
string connectionString = null;
connectionString = ConfigurationManager.ConnectionStrings["AccessConnectionString"].ConnectionString;
con.ConnectionString = connectionString;
string cmd1 = "update Ledger set [AccountNumber]=@AccountNumber,[Account]=@Account,[Date]=@Date,[Description]=@Description,[Post_Ref]=@Post_Ref,[Debit]=@Debit,[Credit]=@Credit,[Balance]=@Balance where AccountNumber=@AccountNumber";
OleDbCommand cmd = new OleDbCommand(cmd1, con);
con.Open();
cmd.CommandType = CommandType.Text;
int accountNumber;
bool accountHasValue = int.TryParse(dataGridView1.Rows[e.RowIndex].Cells["AccountNumber"].Value.ToString(), out accountNumber);
if (accountHasValue)
{
cmd.Parameters.AddWithValue("@AccountNumber", accountNumber);
}
else
{
cmd.Parameters.AddWithValue("@AccountNumber", DBNull.Value);
}
string accounts = dataGridView1.Rows[e.RowIndex].Cells["Account"].Value.ToString();
cmd.Parameters.AddWithValue("@Account", accounts);
DateTime datetime;
bool dateTimeHasValue = DateTime.TryParse(dataGridView1.Rows[e.RowIndex].Cells["Date"].Value.ToString(), out datetime);
if (dateTimeHasValue)
{
cmd.Parameters.AddWithValue("@Date", datetime);
}
else
{
cmd.Parameters.AddWithValue("@Date", DBNull.Value);
}
string Description = dataGridView1.Rows[e.RowIndex].Cells["Description"].Value.ToString();
cmd.Parameters.AddWithValue("@Description", Description);
string Post_Ref = dataGridView1.Rows[e.RowIndex].Cells["Post_Ref"].Value.ToString();
cmd.Parameters.AddWithValue("@Post_Ref", Post_Ref);
int debit;
bool debitHasValue = Int32.TryParse(dataGridView1.Rows[e.RowIndex].Cells["Debit"].Value.ToString(), out debit);
if (debitHasValue)
{
cmd.Parameters.AddWithValue("@Debit", debit);
}
else
{
cmd.Parameters.AddWithValue("@Debit", DBNull.Value);
}
int Credits;
bool CreditsHasValue = Int32.TryParse(dataGridView1.Rows[e.RowIndex].Cells["Credit"].Value.ToString(), out Credits);
if (CreditsHasValue)
{
cmd.Parameters.AddWithValue("@Credit", Credits);
}
else
{
cmd.Parameters.AddWithValue("@Credit", DBNull.Value);
}
int Balances;
bool BalancesHasValue = Int32.TryParse(dataGridView1.Rows[e.RowIndex].Cells["Balance"].Value.ToString(), out Balances);
if (BalancesHasValue)
{
cmd.Parameters.AddWithValue("@Balance", Balances);
}
else
{
cmd.Parameters.AddWithValue("@Balance", DBNull.Value);
}
cmd.ExecuteNonQuery();
con.Close();
}
