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@@ -164,6 +164,11 @@ namespace UAS_MES.PublicMethod
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dh.UpdateByCondition("label", update, "la_id = '" + LaID + "'");
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}
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doc = lbl.Documents.Open(LabelName, true);
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+ if (doc == null)
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+ {
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+ MessageBox.Show("标签文件打开失败");
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+ return false;
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+ }
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//执行全部的SQL
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for (int i = 0; i < dt.Rows.Count; i++)
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{
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