public static int GetOleDbTypeIndex(OleDbType type)
{
if (type == System.Data.OleDb.OleDbType.BigInt ||
type == System.Data.OleDb.OleDbType.UnsignedBigInt
)
{
return(FLD_Long_integer);
}
else if (EPField.IsInteger(type))
{
return(FLD_Integer);
}
else if (type == System.Data.OleDb.OleDbType.Currency)
{
return(FLD_Currency);
}
else if (EPField.IsNumber(type))
{
return(FLD_Decimal);
}
else if (EPField.IsDatetime(type))
{
if (type == System.Data.OleDb.OleDbType.DBTimeStamp)
{
return(FLD_Date_time);
}
else if (type == OleDbType.DBTime)
{
return(FLD_Time);
}
else
{
return(FLD_Date);
}
}
else if (type == System.Data.OleDb.OleDbType.Boolean)
{
return(FLD_Bool);
}
else if (type == System.Data.OleDb.OleDbType.LongVarChar ||
type == System.Data.OleDb.OleDbType.LongVarWChar)
{
return(FLD_Text);
}
else if (type == System.Data.OleDb.OleDbType.Binary ||
type == System.Data.OleDb.OleDbType.LongVarBinary ||
type == System.Data.OleDb.OleDbType.VarBinary
)
{
return(FLD_Binary);
}
else if (EPField.IsString(type))
{
return(FLD_String);
}
else
{
return(FLD_Unknown);
}
}
public void LoadData(DataGridViewColumnCollection cols)
{
_cols = cols;
_tbl = new DataTable();
_tbl.Columns.Add("ColumnName", typeof(string));
_tbl.Columns[0].ReadOnly = true;
_tbl.Columns.Add("HeaderText", typeof(string));
_tbl.Columns.Add("DataType", typeof(string));
for (int i = 0; i < cols.Count; i++)
{
OleDbType t = OleDbType.VarWChar;
if (cols[i].ValueType != null)
{
t = EPField.ToOleDBType(cols[i].ValueType);
}
string tx;
if (t == OleDbType.DBTime)
{
tx = "Time";
}
else if (EPField.IsDatetime(t))
{
tx = "DateTime";
}
else if (EPField.IsInteger(t))
{
tx = "Integer";
}
else if (EPField.IsNumber(t))
{
tx = "Decimal";
}
else if (EPField.IsBoolean(t))
{
tx = "Boolean";
}
else
{
tx = "Text";
}
string s = cols[i].DataPropertyName;
if (string.IsNullOrEmpty(s))
{
s = cols[i].HeaderText;
if (string.IsNullOrEmpty(s))
{
s = cols[i].Name;
}
}
string sh = cols[i].HeaderText;
if (string.IsNullOrEmpty(sh))
{
sh = cols[i].DataPropertyName;
if (string.IsNullOrEmpty(sh))
{
sh = cols[i].Name;
}
}
_tbl.Rows.Add(s, sh, tx);
}
dataGridView1.AllowUserToAddRows = false;
dataGridView1.AllowUserToDeleteRows = false;
dataGridView1.AllowUserToOrderColumns = false;
dataGridView1.AllowUserToResizeRows = false;
dataGridView1.Columns.Clear();
dataGridView1.AutoGenerateColumns = true;
dataGridView1.DataSource = _tbl;
dataGridView1.Columns[0].AutoSizeMode = DataGridViewAutoSizeColumnMode.Fill;
dataGridView1.Columns[0].SortMode = DataGridViewColumnSortMode.NotSortable;
dataGridView1.Columns[1].SortMode = DataGridViewColumnSortMode.NotSortable;
dataGridView1.Columns[2].SortMode = DataGridViewColumnSortMode.NotSortable;
}
