in datagridview checkbox value null not be saved in the database

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validating checkbox which are not checked in the datagridview those record should not be save in the database.

Save code as follows;

C#

for (int i = 0; i < DGv_Session.RowCount; i++)
           {
               try
               {
                   if (DGv_Session[1, i].Value != null && DGv_Session[1, i].Value != "" && DGv_Session[2, i].Value != null && DGv_Session[2, i].Value != "" && DGv_Session[3, i].Value != null && DGv_Session[3, i].Value != "" && DGv_Session[4, i].Value != null && DGv_Session[4, i].Value != "")
                   {
                       sql = "insert into Tb_Session_Structure ([Cmn_Minor_code],[Days],[Session1],[Session2],[Session3],[Session4])";

                       sql = sql + " values('" + cb_Course_Code.Text + "',
 '" + DGv_Session.Rows[i].Cells[0].Value.ToString() + "',
 " + (Convert.ToBoolean(DGv_Session[1, i].Value) == true).ToString() + ",
 " + (Convert.ToBoolean(DGv_Session[2, i].Value) == true).ToString() + ",
 " + (Convert.ToBoolean(DGv_Session[3, i].Value) == true).ToString() + ",
 " + (Convert.ToBoolean(DGv_Session[4, i].Value) == true).ToString() + ")";
                       GFun.Error = "";
                       GFun.InsertAccessData(sql);
                       if (GFun.Error.ToString() != "")
                       {
                           MessageBox.Show(GFun.Error.ToString(), "Error");
                           return;
                       }
                       GFun.OleDbCon.Close();
                   }
               }
               catch (Exception ex)
               {
                   MessageBox.Show(ex.ToString(), "Error");
                   return;
               }
           }

I am validating check box which are not checked in the datagridview that value not to be saved in the database.

Days 1 2
1 checkboxunchecked checkboxunchecked
2 checkboxchecked checkboxchecked

after enters the above records into the database and click the save button.

In the database records show as follows;

Days 1 2
1 checkboxunchecked checkboxunchecked
2 checkboxchecked checkboxchecked

but i want which checkbox which which are not checked in the datagridview do not be saved in the database.

I want the final output as follows after made entries and click the save button records in the database as follows;

Final ouput as follows;
Days 1 2
2 checkboxchecked checkboxchecked

Posted 12-Mar-13 20:54pm

Member 8054539

Updated 14-Mar-13 3:27am

Menon Santosh

v2

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Comments

satz_770 13-Mar-13 3:01am

In which method or where you are writing this save code?.. Do you call this save operation by a button click? or from inside the gridview?..

[no name] 13-Mar-13 3:22am

i have one button called Save.

in the Save button i written the code

[no name] 13-Mar-13 6:15am

please reply answer for my above question

1 solution

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CHill60 · Answer 1 · 2013-03-14T03:18:00

You should only call the insert if the checkbox is checked i.e. is True ...

DataGridViewCheckBoxCell ch1 = new DataGridViewCheckBoxCell();
ch1 = (DataGridViewCheckBoxCell)DGv_Session.Rows[i].Cells[1];
                if(ch1.Value != null && bool.Parse(ch1.Value.ToString()) == true)
...

Personally I would add a little helper function

C#

private bool IsTrue(DataGridViewCell cb)
{
    DataGridViewCheckBoxCell tcb = (DataGridViewCheckBoxCell)cb;
    bool bRet = false;
    if (tcb.Value != null && bool.Parse(tcb.Value.ToString()) == true)
        bRet = true;
    return bRet;
}}

which would make your rather large if statement easier to read...

if (IsTrue(DGv_Session[1, i]) && IsTrue(DGv_Session[2, i]) && IsTrue(DGv_Session[3, i]) && IsTrue(DGv_Session[4, i]))