By string columnName i get NullReferanceException
What am i doing wrong?
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private int GetRowHandleByColumnValue(GridView view, string ColumnFieldName, object value)
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{
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string columnName = view.Columns.ColumnByFieldName(ColumnFieldName).Name;
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int result = GridControl.InvalidRowHandle;
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for (int i = 0; i < view.RowCount; i++)
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if (view.GetDataRow(i)[columnName].Equals(value))
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return i;
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return result;
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}
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private void btnFind_Click(object sender, EventArgs e)
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{
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string find = "";
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if (cboFind.SelectedItem == "Code")
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{
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find = "AST__Code";
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}
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if (cboFind.SelectedItem == "Barcode")
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{
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find = "AST__Barcode";
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}
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int rowHandle = GetRowHandleByColumnValue(gvAssets, find.ToString(), txtFind.Text);
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if (rowHandle != GridControl.InvalidRowHandle)
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{
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gvAssets.FocusedColumn = gvAssets.Columns.ColumnByFieldName(find.ToString());
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gvAssets.FocusedRowHandle = rowHandle;
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if (gvAssets.IsRowVisible(rowHandle) == RowVisibleState.Hidden)
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gvAssets.MakeRowVisible(rowHandle, false);
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gvAssets.ShowEditor();
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}
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else
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MessageBox.Show("Item could not be found!");
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}
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