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Update DamengUtils.cs

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当 value 等于null 时 string.Concat 返回 ""
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jinghongbo 2021-06-11 10:53:46 +08:00 committed by GitHub
parent e8941be89e
commit 0c7c073e82
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1 changed files with 2 additions and 1 deletions
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Providers/FreeSql.Provider.Dameng/DamengUtils.cs
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@ -56,7 +56,8 @@ namespace FreeSql.Dameng
case DmDbType.Char: case DmDbType.Char:
case DmDbType.VarChar: case DmDbType.VarChar:
case DmDbType.Text: case DmDbType.Text:
value = string.Concat(value); if(value != null)
value = string.Concat(value);
break; break;
} }
} }