save records from datagrid view

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i have a form which has a datagridview with two columns clmCategoary and clmActivity
when i click the save button it should insert the in all the gridview into the db.
but it gives the error message "invalid column name". pls what should i do

C#

private void btnSave_Click(object sender, EventArgs e)
        {
            string StrQuery;
            try
            {
                using (SqlConnection conn = new SqlConnection(ConfigurationSettings.AppSettings["ConnectionString"]))
                {
                    conn.ConnectionString = "Data Source=MICKY-PC;Initial Catalog=MUCGPROJECT;User ID=sa;Password=mike";
                     using (SqlCommand comm = new SqlCommand())
                       {
                            comm.Connection = conn;
                            conn.Open();
                             for(int i=0; i< dataGridView1.Rows.Count;i++)
                            {
                                StrQuery = @"INSERT INTO CategorynA VALUES (" + dataGridView1.Rows[i].Cells["clmCategory"].Value + ", " + dataGridView1.Rows[i].Cells["clmActivity"].Value + ");";
                                comm.CommandText = StrQuery;
                                comm.ExecuteNonQuery();
                            }
                        }
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            }

        }

Posted 13-Jul-12 10:02am

mikeoabban

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Wes Aday · Answer 1 · 2012-07-13T10:32:00

Solution 2

I believe you are missing single quotes in your query

C#

StrQuery = @"INSERT INTO CategorynA VALUES ('" + dataGridView1.Rows[i].Cells["clmCategory"].Value + "', '" + dataGridView1.Rows[i].Cells["clmActivity"].Value + "');";

Posted 13-Jul-12 10:32am

Wes Aday

Comments

mikeoabban 13-Jul-12 17:38pm

thanks i never noticed it

[no name] 13-Jul-12 17:42pm

You're welcome.

Sandeep Mewara · Answer 2 · 2012-07-13T10:11:00

but it gives the error message "invalid column name"
It simply means that the insert query formed has an invalid column name.

Simply put a break point before query execution, use DEBUGGER and see what is the formed query:

C#

StrQuery = @"INSERT INTO CategorynA VALUES (" + dataGridView1.Rows[i].Cells["clmCategory"].Value + ", " + dataGridView1.Rows[i].Cells["clmActivity"].Value + ");";

Verify it by directly running in SQL server to see if it is fine. Check the column name set is present in table.

Al Moje · Answer 3 · 2012-07-13T11:51:00

Hi,

In my opinion you forgot to specify you field names:

example:

StrQuery = @"INSERT INTO [dbo].[CategorynA](Category, Activity) VALUES ('" + dataGridView1.Rows[i].Cells["clmCategory"].Value + "', '" + dataGridView1.Rows[i].Cells["clmActivity"].Value + "');";

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save records from datagrid view

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